[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 5 18:13:19 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 06 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 267551
Prefixes after maximum aggregation: 129558
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 130250
Total ASes present in the Internet Routing Table: 29147
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25360
Origin ASes announcing only one prefix: 12310
Transit ASes present in the Internet Routing Table: 3787
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 568
Unregistered ASNs in the Routing Table: 211
Number of 32-bit ASNs allocated by the RIRs: 59
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: 761
Number of addresses announced to Internet: 1897392032
Equivalent to 113 /8s, 23 /16s and 231 /24s
Percentage of available address space announced: 51.2
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.4
Total number of prefixes smaller than registry allocations: 131274
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 61606
Total APNIC prefixes after maximum aggregation: 22776
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58521
Unique aggregates announced from the APNIC address blocks: 26310
APNIC Region origin ASes present in the Internet Routing Table: 3366
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 900
APNIC Region transit ASes present in the Internet Routing Table: 526
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 375010592
Equivalent to 22 /8s, 90 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.8
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: 122144
Total ARIN prefixes after maximum aggregation: 64686
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91338
Unique aggregates announced from the ARIN address blocks: 35015
ARIN Region origin ASes present in the Internet Routing Table: 12424
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4790
ARIN Region transit ASes present in the Internet Routing Table: 1186
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360988896
Equivalent to 21 /8s, 132 /16s and 64 /24s
Percentage of available ARIN address space announced: 74.2
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: 57792
Total RIPE prefixes after maximum aggregation: 35026
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52942
Unique aggregates announced from the RIPE address blocks: 35549
RIPE Region origin ASes present in the Internet Routing Table: 11818
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6203
RIPE Region transit ASes present in the Internet Routing Table: 1806
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 371067328
Equivalent to 22 /8s, 30 /16s and 9 /24s
Percentage of available RIPE address space announced: 85.1
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: 21370
Total LACNIC prefixes after maximum aggregation: 5344
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 19602
Unique aggregates announced from the LACNIC address blocks: 10867
LACNIC Region origin ASes present in the Internet Routing Table: 992
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 327
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 55077376
Equivalent to 3 /8s, 72 /16s and 106 /24s
Percentage of available LACNIC address space announced: 54.7
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: 4072
Total AfriNIC prefixes after maximum aggregation: 1255
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4387
Unique aggregates announced from the AfriNIC address blocks: 1967
AfriNIC Region origin ASes present in the Internet Routing Table: 258
AfriNIC Prefixes per ASN: 17.00
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12672768
Equivalent to 0 /8s, 193 /16s and 95 /24s
Percentage of available AfriNIC address space announced: 37.8
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 1715 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1372 90 102 Hathway IP Over Cable Interne
9583 1147 89 495 Sify Limited
4766 873 6407 357 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 820 35 695 Korea Telecom (ATM-MPLS)
18101 715 167 29 Reliance Infocom Ltd Internet
4780 714 353 61 Digital United Inc.
9498 677 291 52 BHARTI BT INTERNET LTD.
4808 629 1156 138 CNCGROUP IP network: China169
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 4292 3416 337 bellsouth.net, inc.
209 2904 3873 618 Qwest
6298 1973 315 759 Cox Communicatons
1785 1651 710 156 AppliedTheory Corporation
20115 1568 1260 703 Charter Communications
2386 1560 691 899 AT&T Data Communications Serv
4323 1506 1073 375 Time Warner Telecom
7018 1399 5782 975 AT&T WorldNet Services
11492 1211 151 18 Cable One
6478 1140 239 181 AT&T Worldnet Services
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 416 1776 373 TDC Tele Danmark
3301 334 1444 305 TeliaNet Sweden
8452 328 188 11 TEDATA
3215 327 2756 106 France Telecom Transpac
3320 326 7063 274 Deutsche Telekom AG
30890 322 87 176 SC Kappa Invexim SRL
8866 316 77 21 Bulgarian Telecommunication C
5462 296 794 27 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
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 1594 2608 228 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 485 239 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
10620 422 103 62 TVCABLE BOGOTA
6471 421 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
14117 345 23 9 Telefonica del Sur S.A.
28573 337 441 29 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 515 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 233 214 138 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
5713 118 555 68 Telkom SA Ltd
29571 107 13 8 Ci Telecom Autonomous system
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 4292 3416 337 bellsouth.net, inc.
209 2904 3873 618 Qwest
6298 1973 315 759 Cox Communicatons
4755 1715 538 181 Videsh Sanchar Nigam Ltd. Aut
1785 1651 710 156 AppliedTheory Corporation
8151 1594 2608 228 UniNet S.A. de C.V.
20115 1568 1260 703 Charter Communications
2386 1560 691 899 AT&T Data Communications Serv
4323 1506 1073 375 Time Warner Telecom
7018 1399 5782 975 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 2904 2286 Qwest
4755 1715 1534 Videsh Sanchar Nigam Ltd. Aut
1785 1651 1495 AppliedTheory Corporation
8151 1594 1366 UniNet S.A. de C.V.
17488 1372 1270 Hathway IP Over Cable Interne
6298 1973 1214 Cox Communicatons
11492 1211 1193 Cable One
4323 1506 1131 Time Warner Telecom
18566 1048 1038 Covad Communications
6478 1140 959 AT&T Worldnet Services
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
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
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 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.
24.142.40.0/21 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
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
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 /10:17 /11:45 /12:146
/13:293 /14:527 /15:1060 /16:10060 /17:4380 /18:7636
/19:16082 /20:18794 /21:18490 /22:23203 /23:24269 /24:139965
/25:772 /26:940 /27:739 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2851 4292 bellsouth.net, inc.
6298 1948 1973 Cox Communicatons
209 1671 2904 Qwest
2386 1238 1560 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1180 1372 Hathway IP Over Cable Interne
1785 1121 1651 AppliedTheory Corporation
4755 1050 1715 Videsh Sanchar Nigam Ltd. Aut
6478 1033 1140 AT&T Worldnet Services
18566 1029 1048 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:137 12:2147 13:2 15:22 16:3
17:5 18:13 20:35 24:1087 32:59 38:490
40:92 41:721 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:518 60:453
61:961 62:1223 63:2046 64:3210 65:2358 66:3458
67:1230 68:774 69:2297 70:845 71:169 72:2028
73:6 74:1135 75:170 76:274 77:791 78:799
79:318 80:949 81:833 82:573 83:369 84:574
85:972 86:399 87:714 88:337 89:1325 90:20
91:1446 92:254 93:817 94:132 96:63 97:68
98:323 99:7 114:96 115:42 116:1018 117:355
118:237 119:483 120:84 121:587 122:837 123:400
124:853 125:1193 128:356 129:201 130:134 131:410
132:70 133:9 134:178 135:34 136:223 137:93
138:141 139:93 140:508 141:102 142:407 143:289
144:362 145:51 146:371 147:157 148:514 149:206
150:128 151:181 152:145 153:136 154:10 155:284
156:175 157:297 158:163 159:301 160:273 161:139
162:254 163:155 164:516 165:497 166:367 167:331
168:629 169:143 170:431 171:33 172:10 173:33
188:1 189:593 190:2099 192:5791 193:4142 194:3250
195:2579 196:995 198:3735 199:3307 200:5588 201:1525
202:7681 203:8069 204:3935 205:2144 206:2350 207:2738
208:3536 209:3425 210:2602 211:1089 212:1420 213:1621
214:178 215:50 216:4365 217:1212 218:347 219:436
220:1061 221:426 222:315
End of report
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