[afnog] afnog Digest, Vol 62, Issue 11

Maxime GODONOU-DOSSOU mgodonou at benintelecoms.bj
Tue May 19 17:07:22 UTC 2009


Le samedi 16 mai 2009 à 12:00 +0000, afnog-request at afnog.org a écrit :
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> Today's Topics:
> 
>    1.  Weekly Routing Table Report (Routing Analysis Role Account)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 16 May 2009 04:15:49 +1000 (EST)
> From: Routing Analysis Role Account <cscora at apnic.net>
> Subject: [afnog] Weekly Routing Table Report
> To: apops at apops.net, nanog at nanog.org, routing-wg at ripe.net,
> 	afnog at afnog.org,	ausnog at ausnog.net, sanog at sanog.org
> Message-ID: <200905151815.n4FIFnE5005086 at thyme.apnic.net>
> 
> This is an automated weekly mailing describing the state of the Internet
> Routing Table as seen from APNIC's router in Japan.
> Daily listings are sent to bgp-stats at lists.apnic.net
> 
> For historical data, please see http://thyme.apnic.net.
> 
> If you have any comments please contact Philip Smith <pfs at cisco.com>.
> 
> Routing Table Report   04:00 +10GMT Sat 16 May, 2009
> 
> Report Website:     http://thyme.apnic.net
> Detailed Analysis:  http://thyme.apnic.net/current/
> 
> Analysis Summary
> ----------------
> 
> BGP routing table entries examined:                              288509
>     Prefixes after maximum aggregation:                          136412
>     Deaggregation factor:                                          2.11
>     Unique aggregates announced to Internet:                     141329
> Total ASes present in the Internet Routing Table:                 31265
>     Prefixes per ASN:                                              9.23
> Origin-only ASes present in the Internet Routing Table:           27181
> Origin ASes announcing only one prefix:                           13271
> Transit ASes present in the Internet Routing Table:                4084
> Transit-only ASes present in the Internet Routing Table:             93
> Average AS path length visible in the Internet Routing Table:       3.6
>     Max AS path length visible:                                      33
>     Max AS path prepend of ASN (43683)                               31
> Prefixes from unregistered ASNs in the Routing Table:               464
>     Unregistered ASNs in the Routing Table:                         151
> Number of 32-bit ASNs allocated by the RIRs:                        144
> Prefixes from 32-bit ASNs in the Routing Table:                      33
> Special use prefixes present in the Routing Table:                    0
> Prefixes being announced from unallocated address space:            217
> Number of addresses announced to Internet:                   2045653328
>     Equivalent to 121 /8s, 238 /16s and 49 /24s
>     Percentage of available address space announced:               55.2
>     Percentage of allocated address space announced:               63.9
>     Percentage of available address space allocated:               86.4
>     Percentage of address space in use by end-sites:               77.0
> Total number of prefixes smaller than registry allocations:      142688
> 
> APNIC Region Analysis Summary
> -----------------------------
> 
> Prefixes being announced by APNIC Region ASes:                    67654
>     Total APNIC prefixes after maximum aggregation:               24179
>     APNIC Deaggregation factor:                                    2.80
> Prefixes being announced from the APNIC address blocks:           64332
>     Unique aggregates announced from the APNIC address blocks:    29021
> APNIC Region origin ASes present in the Internet Routing Table:    3628
>     APNIC Prefixes per ASN:                                       17.73
> APNIC Region origin ASes announcing only one prefix:                990
> APNIC Region transit ASes present in the Internet Routing Table:    559
> Average APNIC Region AS path length visible:                        3.5
>     Max APNIC Region AS path length visible:                         18
> Number of APNIC addresses announced to Internet:              413775280
>     Equivalent to 24 /8s, 169 /16s and 181 /24s
>     Percentage of available APNIC address space announced:         77.1
> 
> APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
> (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
> APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 110/8, 111/8, 112/8,
>                        113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8,
>                        120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8,
>                        180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
>                        219/8, 220/8, 221/8, 222/8,
> 
> ARIN Region Analysis Summary
> ----------------------------
> 
> Prefixes being announced by ARIN Region ASes:                    125540
>     Total ARIN prefixes after maximum aggregation:                66187
>     ARIN Deaggregation factor:                                     1.90
> Prefixes being announced from the ARIN address blocks:            94652
>     Unique aggregates announced from the ARIN address blocks:     36596
> ARIN Region origin ASes present in the Internet Routing Table:    12997
>     ARIN Prefixes per ASN:                                         7.28
> ARIN Region origin ASes announcing only one prefix:                5002
> ARIN Region transit ASes present in the Internet Routing Table:    1272
> Average ARIN Region AS path length visible:                         3.3
>     Max ARIN Region AS path length visible:                          24
> Number of ARIN addresses announced to Internet:               428644608
>     Equivalent to 25 /8s, 140 /16s and 153 /24s
>     Percentage of available ARIN address space announced:          82.4
> 
> ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
> (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
>                        3354-4607, 4865-5119, 5632-6655, 6912-7466
>                        7723-8191, 10240-12287, 13312-15359, 16384-17407
>                        18432-20479, 21504-23551, 25600-26591,
>                        26624-27647, 29696-30719, 31744-33791
>                        35840-36863, 39936-40959, 46080-47103
>                        53248-55295
> ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
>                         69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
>                         76/8,  96/8,  97/8,  98/8,  99/8, 108/8, 173/8,
>                        174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
>                        208/8, 209/8, 216/8,
> 
> RIPE Region Analysis Summary
> ----------------------------
> 
> Prefixes being announced by RIPE Region ASes:                     66135
>     Total RIPE prefixes after maximum aggregation:                38352
>     RIPE Deaggregation factor:                                     1.72
> Prefixes being announced from the RIPE address blocks:            60448
>     Unique aggregates announced from the RIPE address blocks:     40229
> RIPE Region origin ASes present in the Internet Routing Table:    13009
>     RIPE Prefixes per ASN:                                         4.65
> RIPE Region origin ASes announcing only one prefix:                6825
> RIPE Region transit ASes present in the Internet Routing Table:    1961
> Average RIPE Region AS path length visible:                         4.0
>     Max RIPE Region AS path length visible:                          33
> Number of RIPE addresses announced to Internet:               393701408
>     Equivalent to 23 /8s, 119 /16s and 104 /24s
>     Percentage of available RIPE address space announced:          83.8
> 
> RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
> (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
>                        6656-6911, 8192-9215, 12288-13311, 15360-16383
>                        20480-21503, 24576-25599, 28672-29695
>                        30720-31743, 33792-35839, 38912-39935
>                        40960-45055, 47104-52223
> RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
>                         83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
>                         90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
>                        178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
>                       
> 
> LACNIC Region Analysis Summary
> ------------------------------
> 
> Prefixes being announced by LACNIC Region ASes:                   23824
>     Total LACNIC prefixes after maximum aggregation:               5887
>     LACNIC Deaggregation factor:                                   4.05
> Prefixes being announced from the LACNIC address blocks:          21985
>     Unique aggregates announced from the LACNIC address blocks:   12186
> LACNIC Region origin ASes present in the Internet Routing Table:   1107
>     LACNIC Prefixes per ASN:                                      19.86
> LACNIC Region origin ASes announcing only one prefix:               362
> LACNIC Region transit ASes present in the Internet Routing Table:   187
> Average LACNIC Region AS path length visible:                       4.1
>     Max LACNIC Region AS path length visible:                        19
> Number of LACNIC addresses announced to Internet:              63251840
>     Equivalent to 3 /8s, 197 /16s and 37 /24s
>     Percentage of available LACNIC address space announced:        62.8
> 
> LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247
>                        plus ERX transfers
> LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
> 
> AfriNIC Region Analysis Summary
> -------------------------------
> 
> Prefixes being announced by AfriNIC Region ASes:                   4925
>     Total AfriNIC prefixes after maximum aggregation:              1468
>     AfriNIC Deaggregation factor:                                  3.35
> Prefixes being announced from the AfriNIC address blocks:          4540
>     Unique aggregates announced from the AfriNIC address blocks:   1384
> AfriNIC Region origin ASes present in the Internet Routing Table:   299
>     AfriNIC Prefixes per ASN:                                     15.18
> AfriNIC Region origin ASes announcing only one prefix:               92
> AfriNIC Region transit ASes present in the Internet Routing Table:   60
> Average AfriNIC Region AS path length visible:                      3.9
>     Max AfriNIC Region AS path length visible:                       18
> Number of AfriNIC addresses announced to Internet:             11359232
>     Equivalent to 0 /8s, 173 /16s and 84 /24s
>     Percentage of available AfriNIC address space announced:       33.9
> 
> AfriNIC AS Blocks      36864-37887 & ERX transfers
> AfriNIC Address Blocks  41/8, 197/8,
> 
> APNIC Region per AS prefix count summary
> ----------------------------------------
> 
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  4766     1698       6930         403   Korea Telecom (KIX)
> 17488     1584        128         104   Hathway IP Over Cable Interne
>  4755     1247        466         128   TATA Communications formerly 
>  9583     1079         86         541   Sify Limited
>  4134      887      16660         372   CHINANET-BACKBONE
> 23577      780         34         662   Korea Telecom (ATM-MPLS)
>  7545      772        198         103   TPG Internet Pty Ltd
> 18101      754        217          32   Reliance Infocom Ltd Internet
> 24560      689        229         179   Bharti Airtel Ltd.
>  9829      670        561          14   BSNL National Internet Backbo
> 
> Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
> 
> ARIN Region per AS prefix count summary
> ---------------------------------------
> 
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  6389     4296       3647         324   bellsouth.net, inc. 
>   209     2560       4149         607   Qwest 
>  4323     1848       1035         373   Time Warner Telecom
>  1785     1759        717         139   PaeTec Communications, Inc.
> 20115     1627       1444         720   Charter Communications 
>  7018     1490       5914        1024   AT&T WorldNet Services
>  6478     1404        310         400   AT&T Worldnet Services 
>  2386     1262        697         915   AT&T Data Communications Serv
>  3356     1224      10981         461   Level 3 Communications, LLC 
> 11492     1099        192          11   Cable One 
> 
> Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
> 
> RIPE Region per AS prefix count summary
> ---------------------------------------
> 
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  8452     1200        188           7   TEDATA
> 30890      542         88         201   Evolva Telecom
>  3292      455       1893         393   TDC Tele Danmark
> 12479      449        578           6   Uni2 Autonomous System
>  8866      382        110          24   Bulgarian Telecommunication C
>  3320      349       7082         300   Deutsche Telekom AG
>  3215      343       3041         108   France Telecom Transpac
>  3301      340       1668         304   TeliaNet Sweden
> 35805      328         24           4   United Telecom of Georgia
> 29049      316         26           3   AzerSat LLC.
> 
> Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
> 
> LACNIC Region per AS prefix count summary
> -----------------------------------------
> 
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  8151     1449       2862         231   UniNet S.A. de C.V. 
> 10620      906        207         108   TVCABLE BOGOTA 
> 22047      610        302          14   VTR PUNTO NET S.A. 
>  7303      529        274          75   Telecom Argentina Stet-France
> 11830      516        294          34   Instituto Costarricense de El
> 28573      464        562          26   NET Servicos de Comunicao S.A
>  6471      443         96          32   ENTEL CHILE S.A. 
> 11172      443        102          72   Servicios Alestra S.A de C.V 
>  7738      397        794          28   Telecomunicacoes da Bahia S.A
>  3816      351        163          74   Empresa Nacional de Telecomun
> 
> Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
> 
> AfriNIC Region per AS prefix count summary
> ------------------------------------------
> 
>   ASN   No of nets  /20 equiv  MaxAgg  Description
> 24863      860         79          37   LINKdotNET AS number
> 20858      308         34           5   This AS will be used to conne
>  3741      278        860         238   The Internet Solution 
>  2018      243        215         143   Tertiary Education Network 
>  6713      160        151          12   Itissalat Al-MAGHRIB
> 29571      139         15           9   Ci Telecom Autonomous system 
>  5536      123          8           9   Internet Egypt Network
> 33776      116          6           7   Starcomms Nigeria Limited
>  5713      113        507          64   Telkom SA Ltd 
> 24835      107         46           9   RAYA Telecom - Egypt
> 
> Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
> 
> Global Per AS prefix count summary
> ----------------------------------
> 
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  6389     4296       3647         324   bellsouth.net, inc. 
>   209     2560       4149         607   Qwest 
>  4323     1848       1035         373   Time Warner Telecom
>  1785     1759        717         139   PaeTec Communications, Inc.
>  4766     1698       6930         403   Korea Telecom (KIX)
> 20115     1627       1444         720   Charter Communications 
> 17488     1584        128         104   Hathway IP Over Cable Interne
>  7018     1490       5914        1024   AT&T WorldNet Services
>  8151     1449       2862         231   UniNet S.A. de C.V. 
>  6478     1404        310         400   AT&T Worldnet Services 
> 
> Complete listing at http://thyme.apnic.net/current/data-ASnet
> 
> Global Per AS Maximum Aggr summary
> ----------------------------------
> 
>   ASN   No of nets  Net Savings Description
>   209      2560        1953      Qwest 
>  1785      1759        1620      PaeTec Communications, Inc.
> 17488      1584        1480      Hathway IP Over Cable Interne
>  4323      1848        1475      Time Warner Telecom
>  4766      1698        1295      Korea Telecom (KIX)
>  8151      1449        1218      UniNet S.A. de C.V. 
>  8452      1200        1193      TEDATA
>  4755      1247        1119      TATA Communications formerly 
> 11492      1099        1088      Cable One 
> 18566      1062        1052      Covad Communications 
> 
> Complete listing at http://thyme.apnic.net/current/data-CIDRnet
> 
> List of Unregistered Origin ASNs (Global)
> -----------------------------------------
> 
> Bad AS  Designation  Network              Transit AS  Description
> 16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
> 15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
> 32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
> 13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
> 32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
> 26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
> 26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
> 26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
> 32326   UNALLOCATED   12.40.49.0/24         7018       AT&T WorldNet Servic
> 25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
> 
> Complete listing at http://thyme.apnic.net/current/data-badAS
> 
> Advertised Unallocated Addresses
> --------------------------------
> 
> Network            Origin AS  Description
> 24.246.0.0/17         7018     AT&T WorldNet Services
> 24.246.128.0/18       7018     AT&T WorldNet Services
> 41.223.112.0/22       5713     Telkom SA Ltd 
> 41.223.176.0/22      36981     >>UNKNOWN<<
> 41.223.188.0/24      22351     Intelsat 
> 41.223.189.0/24      26452     Local Communications Networks
> 62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
> 62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
> 63.140.213.0/24      22555     Universal Talkware Corporatio
> 63.143.251.0/24      22555     Universal Talkware Corporatio
> 
> Complete listing at http://thyme.apnic.net/current/data-add-IANA
> 
> Number of prefixes announced per prefix length (Global)
> -------------------------------------------------------
> 
>  /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
>  /7:0        /8:19       /9:10      /10:21      /11:58      /12:166     
> /13:339     /14:597     /15:1148    /16:10461   /17:4739    /18:8141    
> /19:17145   /20:20411   /21:20300   /22:25974   /23:25603   /24:150667  
> /25:901     /26:1046    /27:547     /28:161     /29:37      /30:10      
> /31:0       /32:8       
> 
> Advertised prefixes smaller than registry allocations
> -----------------------------------------------------
> 
>   ASN   No of nets  Total ann.   Description
>  6389     2802          4296      bellsouth.net, inc. 
>  4766     1389          1698      Korea Telecom (KIX)
> 17488     1307          1584      Hathway IP Over Cable Interne
>   209     1297          2560      Qwest 
>  8452     1170          1200      TEDATA
>  1785     1164          1759      PaeTec Communications, Inc.
> 18566     1043          1062      Covad Communications 
> 11492     1035          1099      Cable One 
>  2386      970          1262      AT&T Data Communications Serv
>  4323      951          1848      Time Warner Telecom
> 
> Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
> 
> Number of /24s announced per /8 block (Global)
> ----------------------------------------------
> 
>    4:12        8:199      12:2227     13:10       15:19       16:3      
>   17:4        20:35       24:1068     32:50       38:533      40:97     
>   41:1952     43:1        44:2        47:22       52:4        55:2      
>   56:3        57:25       58:581      59:642      60:459      61:1094   
>   62:1097     63:2087     64:3690     65:2392     66:3595     67:1622   
>   68:766      69:2605     70:532      71:146      72:1653     73:2      
>   74:1527     75:172      76:310      77:841      78:562      79:329    
>   80:977      81:804      82:526      83:430      84:615      85:1050   
>   86:407      87:653      88:355      89:1440     90:57       91:2204   
>   92:322      93:1011     94:1196     95:1217     96:124      97:208    
>   98:218      99:22      109:1       110:119     112:120     113:104    
>  114:256     115:288     116:1160    117:517     118:293     119:694    
>  120:142     121:723     122:1019    123:674     124:955     125:1319   
>  128:220     129:234     130:126     131:413     132:73      133:9      
>  134:187     135:213     136:242     137:155     138:160     139:80     
>  140:445     141:109     142:380     143:342     144:360     145:47     
>  146:376     147:153     148:518     149:237     150:177     151:198    
>  152:147     153:139     154:2       155:274     156:169     157:297    
>  158:115     159:312     160:282     161:138     162:268     163:151    
>  164:481     165:503     166:275     167:363     168:685     169:166    
>  170:477     171:40      172:10      173:281     174:210     178:1      
>  186:14      187:89      188:17      189:351     190:2631    192:5812   
>  193:4218    194:3299    195:2698    196:1066    198:3662    199:3351   
>  200:5305    201:1356    202:7838    203:8198    204:3815    205:2143   
>  206:2458    207:2814    208:3913    209:3425    210:2659    211:1114   
>  212:1521    213:1673    214:76      215:30      216:4651    217:1259   
>  218:371     219:427     220:1214    221:472     222:295    
> 
> End of report
> 
> 
> 
> ------------------------------
> 
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> End of afnog Digest, Vol 62, Issue 11
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