[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 4 18:07:20 UTC 2008
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 05 Jul, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 262004
Prefixes after maximum aggregation: 128698
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 127630
Total ASes present in the Internet Routing Table: 28612
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 24946
Origin ASes announcing only one prefix: 12067
Transit ASes present in the Internet Routing Table: 3666
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 602
Unregistered ASNs in the Routing Table: 219
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 782
Number of addresses announced to Internet: 1870051040
Equivalent to 111 /8s, 118 /16s and 182 /24s
Percentage of available address space announced: 50.5
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.5
Total number of prefixes smaller than registry allocations: 127674
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59872
Total APNIC prefixes after maximum aggregation: 22374
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56863
Unique aggregates announced from the APNIC address blocks: 25353
APNIC Region origin ASes present in the Internet Routing Table: 3294
APNIC Prefixes per ASN: 17.26
APNIC Region origin ASes announcing only one prefix: 874
APNIC Region transit ASes present in the Internet Routing Table: 510
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 361818656
Equivalent to 21 /8s, 144 /16s and 234 /24s
Percentage of available APNIC address space announced: 77.0
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, 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: 120497
Total ARIN prefixes after maximum aggregation: 65111
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 90125
Unique aggregates announced from the ARIN address blocks: 34734
ARIN Region origin ASes present in the Internet Routing Table: 12250
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4735
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353744160
Equivalent to 21 /8s, 21 /16s and 181 /24s
Percentage of available ARIN address space announced: 72.7
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, 173/8, 174/8,
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: 56354
Total RIPE prefixes after maximum aggregation: 34296
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51567
Unique aggregates announced from the RIPE address blocks: 34588
RIPE Region origin ASes present in the Internet Routing Table: 11569
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6068
RIPE Region transit ASes present in the Internet Routing Table: 1748
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 364791936
Equivalent to 21 /8s, 190 /16s and 72 /24s
Percentage of available RIPE address space announced: 83.6
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, 47104-48127
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: 20593
Total LACNIC prefixes after maximum aggregation: 5225
LACNIC Deaggregation factor: 3.94
Prefixes being announced from the LACNIC address blocks: 18745
Unique aggregates announced from the LACNIC address blocks: 10567
LACNIC Region origin ASes present in the Internet Routing Table: 963
LACNIC Prefixes per ASN: 19.47
LACNIC Region origin ASes announcing only one prefix: 313
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 52976384
Equivalent to 3 /8s, 40 /16s and 91 /24s
Percentage of available LACNIC address space announced: 52.6
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: 4089
Total AfriNIC prefixes after maximum aggregation: 1202
AfriNIC Deaggregation factor: 3.40
Prefixes being announced from the AfriNIC address blocks: 4368
Unique aggregates announced from the AfriNIC address blocks: 1885
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12239104
Equivalent to 0 /8s, 186 /16s and 193 /24s
Percentage of available AfriNIC address space announced: 36.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1664 341 173 Videsh Sanchar Nigam Ltd. Aut
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1144 85 465 Sify Limited
9498 1093 550 63 BHARTI BT INTERNET LTD.
4766 847 6006 344 Korea Telecom (KIX)
4134 828 13427 331 CHINANET-BACKBONE
23577 825 35 705 Korea Telecom (ATM-MPLS)
4780 704 351 63 Digital United Inc.
18101 691 167 33 Reliance Infocom Ltd Internet
9829 599 450 12 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
209 3006 3874 622 Qwest
6389 2668 3260 197 bellsouth.net, inc.
2386 1481 663 876 AT&T Data Communications Serv
4323 1469 1045 377 Time Warner Telecom
7018 1398 5823 978 AT&T WorldNet Services
6298 1304 185 750 Cox Communicatons
11492 1229 150 12 Cable One
1785 1084 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1045 1060 558 Charter Communications
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
3292 414 1792 372 TDC Tele Danmark
8452 347 188 11 TEDATA
3301 334 1460 304 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
3215 287 2758 90 France Telecom Transpac
8551 287 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 Dynamic Network Technologies,
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 1295 2464 224 UniNet S.A. de C.V.
11830 604 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 469 231 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 410 85 48 ENTEL CHILE S.A.
11172 410 118 70 Servicios Alestra S.A de C.V
10620 401 105 73 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 335 23 98 NEWCOM AMERICAS
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 475 61 30 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 274 853 225 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 155 558 93 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
29571 102 13 8 Ci Telecom Autonomous system
33776 100 6 3 Starcomms Nigeria Limited
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
209 3006 3874 622 Qwest
6389 2668 3260 197 bellsouth.net, inc.
4755 1664 341 173 Videsh Sanchar Nigam Ltd. Aut
2386 1481 663 876 AT&T Data Communications Serv
4323 1469 1045 377 Time Warner Telecom
7018 1398 5823 978 AT&T WorldNet Services
6298 1304 185 750 Cox Communicatons
8151 1295 2464 224 UniNet S.A. de C.V.
11492 1229 150 12 Cable One
17488 1188 82 91 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2668 2471 bellsouth.net, inc.
4755 1664 1491 Videsh Sanchar Nigam Ltd. Aut
11492 1229 1217 Cable One
17488 1188 1097 Hathway IP Over Cable Interne
4323 1469 1092 Time Warner Telecom
8151 1295 1071 UniNet S.A. de C.V.
18566 1045 1035 Covad Communications
9498 1093 1030 BHARTI BT INTERNET LTD.
1785 1084 980 AppliedTheory Corporation
22773 966 904 Cox Communications, Inc.
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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
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 /8:18 /9:9 /10:16 /11:45 /12:144
/13:282 /14:514 /15:1040 /16:9974 /17:4341 /18:7404
/19:15773 /20:18426 /21:18088 /22:22540 /23:23453 /24:137131
/25:865 /26:1046 /27:790 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1762 3006 Qwest
6389 1670 2668 bellsouth.net, inc.
6298 1289 1304 Cox Communicatons
11492 1209 1229 Cable One
2386 1177 1481 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
4755 1013 1664 Videsh Sanchar Nigam Ltd. Aut
17488 1002 1188 Hathway IP Over Cable Interne
9583 999 1144 Sify Limited
6478 976 985 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:119 12:2082 13:2 15:22 16:3
17:5 18:13 20:35 24:1078 25:1 32:62
38:443 40:92 41:654 43:1 44:2 47:12
52:3 55:3 56:3 57:26 58:501 59:504
60:450 61:1002 62:1188 63:2026 64:3289 65:2375
66:3539 67:1228 68:712 69:2263 70:737 71:119
72:1899 73:5 74:1035 75:160 76:302 77:724
78:718 79:189 80:958 81:845 82:612 83:391
84:558 85:964 86:411 87:686 88:335 89:1296
90:14 91:1304 92:213 93:616 94:56 96:39
97:27 98:204 99:3 112:1 113:1 114:71
116:760 117:319 118:187 119:454 120:51 121:557
122:794 123:361 124:865 125:1146 128:362 129:201
130:132 131:410 132:65 133:9 134:177 135:33
136:220 137:87 138:146 139:94 140:488 141:98
142:415 143:309 144:366 145:51 146:363 147:158
148:519 149:198 150:130 151:190 152:141 153:136
154:10 155:277 156:174 157:291 158:185 159:240
160:279 161:114 162:221 163:187 164:523 165:450
166:318 167:329 168:629 169:137 170:428 171:30
172:10 188:1 189:253 190:2166 192:5793 193:4102
194:3221 195:2528 196:1066 198:3729 199:3271 200:5574
201:1469 202:7601 203:8021 204:3974 205:2126 206:2388
207:2765 208:3407 209:3516 210:2577 211:1069 212:1433
213:1629 214:154 215:49 216:4401 217:1198 218:345
219:417 220:1054 221:465 222:307
End of report
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