[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 20 18:08:02 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 21 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 260459
Prefixes after maximum aggregation: 128122
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126833
Total ASes present in the Internet Routing Table: 28517
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 24858
Origin ASes announcing only one prefix: 12026
Transit ASes present in the Internet Routing Table: 3659
Transit-only ASes present in the Internet Routing Table: 79
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: 618
Unregistered ASNs in the Routing Table: 225
Number of 32-bit ASNs allocated by the RIRs: 47
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: 777
Number of addresses announced to Internet: 1862946912
Equivalent to 111 /8s, 10 /16s and 80 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.3
Total number of prefixes smaller than registry allocations: 126692
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59314
Total APNIC prefixes after maximum aggregation: 22110
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56332
Unique aggregates announced from the APNIC address blocks: 24955
APNIC Region origin ASes present in the Internet Routing Table: 3277
APNIC Prefixes per ASN: 17.19
APNIC Region origin ASes announcing only one prefix: 873
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 356094240
Equivalent to 21 /8s, 57 /16s and 145 /24s
Percentage of available APNIC address space announced: 75.8
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: 120010
Total ARIN prefixes after maximum aggregation: 65020
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89707
Unique aggregates announced from the ARIN address blocks: 34758
ARIN Region origin ASes present in the Internet Routing Table: 12231
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4734
ARIN Region transit ASes present in the Internet Routing Table: 1142
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356059296
Equivalent to 21 /8s, 57 /16s and 8 /24s
Percentage of available ARIN address space announced: 73.2
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: 56169
Total RIPE prefixes after maximum aggregation: 34107
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51378
Unique aggregates announced from the RIPE address blocks: 34372
RIPE Region origin ASes present in the Internet Routing Table: 11510
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6031
RIPE Region transit ASes present in the Internet Routing Table: 1735
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 361394560
Equivalent to 21 /8s, 138 /16s and 113 /24s
Percentage of available RIPE address space announced: 82.8
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, 47104-48127
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: 20280
Total LACNIC prefixes after maximum aggregation: 5171
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18502
Unique aggregates announced from the LACNIC address blocks: 10386
LACNIC Region origin ASes present in the Internet Routing Table: 958
LACNIC Prefixes per ASN: 19.31
LACNIC Region origin ASes announcing only one prefix: 310
LACNIC Region transit ASes present in the Internet Routing Table: 162
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 52542464
Equivalent to 3 /8s, 33 /16s and 188 /24s
Percentage of available LACNIC address space announced: 52.2
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: 4071
Total AfriNIC prefixes after maximum aggregation: 1202
AfriNIC Deaggregation factor: 3.39
Prefixes being announced from the AfriNIC address blocks: 4340
Unique aggregates announced from the AfriNIC address blocks: 1891
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 18.01
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12221440
Equivalent to 0 /8s, 186 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 36.4
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 1649 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1183 550 62 BHARTI BT INTERNET LTD.
17488 1156 80 79 Hathway IP Over Cable Interne
9583 1138 112 415 Sify Limited
4766 846 6006 342 Korea Telecom (KIX)
23577 831 35 706 Korea Telecom (ATM-MPLS)
4134 824 12915 321 CHINANET-BACKBONE
18101 696 168 35 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 551 1919 424 Telstra Pty 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
209 3012 3874 620 Qwest
6389 2446 3138 190 bellsouth.net, inc.
2386 1493 663 874 AT&T Data Communications Serv
4323 1459 1044 376 Time Warner Telecom
7018 1397 5824 977 AT&T WorldNet Services
11492 1229 149 12 Cable One
1785 1077 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1042 1064 565 Charter Communications
7011 1026 288 561 Citizens Utilities
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 1773 372 TDC Tele Danmark
8452 344 188 11 TEDATA
3301 335 1460 305 TeliaNet Sweden
8866 319 77 21 Bulgarian Telecommunication C
3320 316 7045 266 Deutsche Telekom AG
5462 292 666 27 Telewest Broadband
3215 286 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
8708 266 421 250 Romania Data Systems S.A.
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 1246 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 467 230 69 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 412 85 46 ENTEL CHILE S.A.
11172 410 118 70 Servicios Alestra S.A de C.V
10620 394 101 72 TVCABLE BOGOTA
14117 374 23 9 Telefonica del Sur S.A.
20299 333 23 97 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 391 34 3 EgyNet
3741 283 853 224 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 153 541 92 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 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 3012 3874 620 Qwest
6389 2446 3138 190 bellsouth.net, inc.
4755 1649 387 89 Videsh Sanchar Nigam Ltd. Aut
2386 1493 663 874 AT&T Data Communications Serv
4323 1459 1044 376 Time Warner Telecom
7018 1397 5824 977 AT&T WorldNet Services
8151 1246 2464 227 UniNet S.A. de C.V.
11492 1229 149 12 Cable One
9498 1183 550 62 BHARTI BT INTERNET LTD.
17488 1156 80 79 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 2446 2256 bellsouth.net, inc.
4755 1649 1560 Videsh Sanchar Nigam Ltd. Aut
11492 1229 1217 Cable One
9498 1183 1121 BHARTI BT INTERNET LTD.
4323 1459 1083 Time Warner Telecom
17488 1156 1077 Hathway IP Over Cable Interne
18566 1045 1035 Covad Communications
8151 1246 1019 UniNet S.A. de C.V.
1785 1077 973 AppliedTheory Corporation
22773 963 901 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.
24.54.224.0/19 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
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /11:43 /12:143
/13:280 /14:514 /15:1031 /16:9961 /17:4344 /18:7371
/19:15700 /20:18330 /21:17995 /22:22352 /23:23272 /24:136306
/25:865 /26:1032 /27:778 /28:82 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1768 3012 Qwest
6389 1510 2446 bellsouth.net, inc.
11492 1210 1229 Cable One
2386 1189 1493 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
4755 994 1649 Videsh Sanchar Nigam Ltd. Aut
9583 988 1138 Sify Limited
6298 974 989 Cox Communicatons
17488 968 1156 Hathway IP Over Cable Interne
6478 948 957 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 12:2063 13:1 15:22 16:3
17:5 18:13 20:35 24:1076 25:1 32:61
38:445 40:92 41:643 43:1 44:2 47:12
52:3 55:3 56:3 57:23 58:464 59:487
60:442 61:990 62:1221 63:2033 64:3296 65:2411
66:3582 67:1216 68:694 69:2272 70:679 71:121
72:1821 73:5 74:1016 75:157 76:297 77:732
78:726 79:193 80:957 81:846 82:596 83:398
84:578 85:1018 86:423 87:694 88:329 89:1268
90:14 91:1286 92:202 93:581 94:51 96:36
97:25 98:167 99:3 112:1 113:1 114:38
116:724 117:327 118:149 119:446 120:61 121:547
122:782 123:349 124:862 125:1134 128:362 129:202
130:131 131:408 132:67 133:9 134:177 135:33
136:219 137:86 138:146 139:78 140:491 141:99
142:419 143:315 144:356 145:51 146:363 147:155
148:507 149:194 150:130 151:193 152:143 153:135
154:10 155:277 156:177 157:273 158:168 159:242
160:266 161:114 162:234 163:187 164:522 165:446
166:319 167:325 168:618 169:138 170:428 171:29
172:10 189:210 190:2119 192:5795 193:4101 194:3204
195:2505 196:1075 198:3739 199:3271 200:5528 201:1471
202:7613 203:7932 204:3975 205:2110 206:2392 207:2767
208:3373 209:3491 210:2520 211:1012 212:1413 213:1652
214:149 215:49 216:4397 217:1198 218:346 219:415
220:1071 221:471 222:309
End of report
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