[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 23 18:16:04 UTC 2009
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 24 Jan, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 278634
Prefixes after maximum aggregation: 132262
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 135421
Total ASes present in the Internet Routing Table: 30368
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 26408
Origin ASes announcing only one prefix: 12861
Transit ASes present in the Internet Routing Table: 3960
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (12445) 18
Prefixes from unregistered ASNs in the Routing Table: 529
Unregistered ASNs in the Routing Table: 182
Number of 32-bit ASNs allocated by the RIRs: 78
Prefixes from 32-bit ASNs in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 273
Number of addresses announced to Internet: 1986107424
Equivalent to 118 /8s, 97 /16s and 152 /24s
Percentage of available address space announced: 53.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 84.6
Percentage of address space in use by end-sites: 75.4
Total number of prefixes smaller than registry allocations: 137044
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64288
Total APNIC prefixes after maximum aggregation: 22759
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 61154
Unique aggregates announced from the APNIC address blocks: 26988
APNIC Region origin ASes present in the Internet Routing Table: 3502
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 957
APNIC Region transit ASes present in the Internet Routing Table: 540
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 395679136
Equivalent to 23 /8s, 149 /16s and 149 /24s
Percentage of available APNIC address space announced: 78.6
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,
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: 123881
Total ARIN prefixes after maximum aggregation: 65090
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 93335
Unique aggregates announced from the ARIN address blocks: 35568
ARIN Region origin ASes present in the Internet Routing Table: 12728
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4900
ARIN Region transit ASes present in the Internet Routing Table: 1226
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 407062688
Equivalent to 24 /8s, 67 /16s and 72 /24s
Percentage of available ARIN address space announced: 78.3
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
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: 62615
Total RIPE prefixes after maximum aggregation: 36968
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 57543
Unique aggregates announced from the RIPE address blocks: 38357
RIPE Region origin ASes present in the Internet Routing Table: 12537
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6580
RIPE Region transit ASes present in the Internet Routing Table: 1911
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 386691168
Equivalent to 23 /8s, 12 /16s and 112 /24s
Percentage of available RIPE address space announced: 88.6
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, 47104-49151
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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 22988
Total LACNIC prefixes after maximum aggregation: 5665
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 21227
Unique aggregates announced from the LACNIC address blocks: 11724
LACNIC Region origin ASes present in the Internet Routing Table: 1050
LACNIC Prefixes per ASN: 20.22
LACNIC Region origin ASes announcing only one prefix: 334
LACNIC Region transit ASes present in the Internet Routing Table: 175
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 60435456
Equivalent to 3 /8s, 154 /16s and 44 /24s
Percentage of available LACNIC address space announced: 60.0
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4365
Total AfriNIC prefixes after maximum aggregation: 1368
AfriNIC Deaggregation factor: 3.19
Prefixes being announced from the AfriNIC address blocks: 5252
Unique aggregates announced from the AfriNIC address blocks: 2180
AfriNIC Region origin ASes present in the Internet Routing Table: 280
AfriNIC Prefixes per ASN: 18.76
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 58
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13112576
Equivalent to 0 /8s, 200 /16s and 21 /24s
Percentage of available AfriNIC address space announced: 26.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1660 6411 376 Korea Telecom (KIX)
17488 1504 107 96 Hathway IP Over Cable Interne
4755 1193 428 175 TATA Communications formerly
9583 1156 130 110 Sify Limited
4134 902 16063 365 CHINANET-BACKBONE
18101 770 174 25 Reliance Infocom Ltd Internet
4780 720 357 64 Digital United Inc.
9498 680 297 52 BHARTI BT INTERNET LTD.
7545 675 152 81 TPG Internet Pty Ltd
24560 660 224 181 Bharti Airtel Ltd.
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 4381 3435 344 bellsouth.net, inc.
209 2833 4032 617 Qwest
20115 2033 1465 742 Charter Communications
1785 1793 735 158 PaeTec Communications, Inc.
4323 1621 1081 373 Time Warner Telecom
2386 1575 714 895 AT&T Data Communications Serv
7018 1444 5876 1002 AT&T WorldNet Services
11492 1216 192 12 Cable One
6478 1196 289 511 AT&T Worldnet Services
3356 1131 10997 441 Level 3 Communications, LLC
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 922 188 7 TEDATA
3292 441 1765 386 TDC Tele Danmark
30890 435 88 199 SC Kappa Invexim SRL
12479 393 578 6 Uni2 Autonomous System
3301 336 1669 302 TeliaNet Sweden
8866 333 109 22 Bulgarian Telecommunication C
3320 332 7065 281 Deutsche Telekom AG
3215 330 2897 99 France Telecom Transpac
29049 324 26 3 AzerSat LLC.
35805 324 27 7 United Telecom of Georgia
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 1479 2834 230 UniNet S.A. de C.V.
10620 725 153 77 TVCABLE BOGOTA
11830 681 299 9 Instituto Costarricense de El
22047 563 302 14 VTR PUNTO NET S.A.
7303 509 253 78 Telecom Argentina Stet-France
6471 437 94 41 ENTEL CHILE S.A.
16814 426 27 10 NSS, S.A.
11172 408 118 74 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 376 505 22 NET Servicos de Comunicao S.A
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 594 72 40 LINKdotNET AS number
3741 269 857 227 The Internet Solution
20858 262 34 3 This AS will be used to conne
2018 242 215 142 Tertiary Education Network
33783 150 10 8 EEPAD TISP TELECOM & INTERNET
6713 144 135 11 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
5536 120 8 17 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 117 555 66 Telkom SA Ltd
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 4381 3435 344 bellsouth.net, inc.
209 2833 4032 617 Qwest
20115 2033 1465 742 Charter Communications
1785 1793 735 158 PaeTec Communications, Inc.
4766 1660 6411 376 Korea Telecom (KIX)
4323 1621 1081 373 Time Warner Telecom
2386 1575 714 895 AT&T Data Communications Serv
17488 1504 107 96 Hathway IP Over Cable Interne
8151 1479 2834 230 UniNet S.A. de C.V.
7018 1444 5876 1002 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 2833 2216 Qwest
1785 1793 1635 PaeTec Communications, Inc.
17488 1504 1408 Hathway IP Over Cable Interne
20115 2033 1291 Charter Communications
4766 1660 1284 Korea Telecom (KIX)
8151 1479 1249 UniNet S.A. de C.V.
4323 1621 1248 Time Warner Telecom
11492 1216 1204 Cable One
18566 1060 1050 Covad Communications
9583 1156 1046 Sify Limited
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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.208.128.0/18 8346 SONATEL-AS Autonomous System
41.214.0.0/17 8346 SONATEL-AS Autonomous System
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.132.0/24 12491 IPPlanet
41.223.133.0/24 12491 IPPlanet
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 /9:9 /10:20 /11:54 /12:159
/13:311 /14:566 /15:1107 /16:10312 /17:4540 /18:7807
/19:16861 /20:19755 /21:19324 /22:24573 /23:24942 /24:146188
/25:657 /26:812 /27:508 /28:94 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2858 4381 bellsouth.net, inc.
209 1577 2833 Qwest
4766 1394 1660 Korea Telecom (KIX)
17488 1289 1504 Hathway IP Over Cable Interne
2386 1255 1575 AT&T Data Communications Serv
1785 1207 1793 PaeTec Communications, Inc.
11492 1181 1216 Cable One
20115 1107 2033 Charter Communications
18566 1041 1060 Covad Communications
9583 1001 1156 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:175 12:2195 13:2 15:21 16:3
17:5 20:35 24:1179 32:51 38:536 40:96
41:1579 43:1 44:2 47:9 52:3 55:3
56:3 57:26 58:517 59:610 60:456 61:1109
62:1115 63:2003 64:3435 65:2439 66:3641 67:1460
68:673 69:2447 70:528 71:207 72:1604 73:7
74:1358 75:203 76:303 77:795 78:534 79:318
80:939 81:846 82:564 83:395 84:589 85:1080
86:397 87:638 88:361 89:1388 90:46 91:1879
92:324 93:1068 94:984 95:207 96:97 97:171
98:187 99:11 110:1 111:1 112:14 113:68
114:157 115:209 116:1133 117:473 118:266 119:614
120:131 121:704 122:926 123:494 124:838 125:1273
128:353 129:225 130:135 131:413 132:68 133:9
134:321 135:35 136:224 137:138 138:145 139:92
140:413 141:109 142:384 143:326 144:327 145:38
146:372 147:144 148:529 149:225 150:133 151:212
152:149 153:131 154:10 155:259 156:171 157:271
158:160 159:277 160:280 161:140 162:271 163:138
164:514 165:504 166:363 167:351 168:682 169:162
170:469 171:37 172:10 173:168 174:38 186:2
187:25 189:361 190:2544 192:5821 193:4191 194:3317
195:2675 196:1058 198:3657 199:3312 200:5495 201:1468
202:7801 203:8094 204:3932 205:2151 206:2313 207:2798
208:3819 209:3503 210:2771 211:1170 212:1546 213:1645
214:66 215:30 216:4556 217:1205 218:375 219:402
220:1221 221:472 222:296
End of report
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