[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Feb 14 05:17:47 EST 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 14 Feb, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 279513
Prefixes after maximum aggregation: 133074
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 136951
Total ASes present in the Internet Routing Table: 30575
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 26606
Origin ASes announcing only one prefix: 12952
Transit ASes present in the Internet Routing Table: 3969
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: 25
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 530
Unregistered ASNs in the Routing Table: 181
Number of 32-bit ASNs allocated by the RIRs: 100
Prefixes from 32-bit ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 229
Number of addresses announced to Internet: 2001869152
Equivalent to 119 /8s, 82 /16s and 25 /24s
Percentage of available address space announced: 54.0
Percentage of allocated address space announced: 63.2
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 75.7
Total number of prefixes smaller than registry allocations: 137208
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 64538
Total APNIC prefixes after maximum aggregation: 23028
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 61376
Unique aggregates announced from the APNIC address blocks: 27784
APNIC Region origin ASes present in the Internet Routing Table: 3532
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 955
APNIC Region transit ASes present in the Internet Routing Table: 550
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 401272544
Equivalent to 23 /8s, 234 /16s and 238 /24s
Percentage of available APNIC address space announced: 79.7
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: 123310
Total ARIN prefixes after maximum aggregation: 65208
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 92830
Unique aggregates announced from the ARIN address blocks: 35508
ARIN Region origin ASes present in the Internet Routing Table: 12768
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4910
ARIN Region transit ASes present in the Internet Routing Table: 1219
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 414191136
Equivalent to 24 /8s, 176 /16s and 14 /24s
Percentage of available ARIN address space announced: 79.6
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: 63332
Total RIPE prefixes after maximum aggregation: 37311
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 58109
Unique aggregates announced from the RIPE address blocks: 38768
RIPE Region origin ASes present in the Internet Routing Table: 12667
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 6658
RIPE Region transit ASes present in the Internet Routing Table: 1917
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 388763232
Equivalent to 23 /8s, 44 /16s and 14 /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, 47104-49151
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, 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: 23309
Total LACNIC prefixes after maximum aggregation: 5725
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 21464
Unique aggregates announced from the LACNIC address blocks: 11842
LACNIC Region origin ASes present in the Internet Routing Table: 1064
LACNIC Prefixes per ASN: 20.17
LACNIC Region origin ASes announcing only one prefix: 343
LACNIC Region transit ASes present in the Internet Routing Table: 178
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 60696704
Equivalent to 3 /8s, 158 /16s and 40 /24s
Percentage of available LACNIC address space announced: 60.3
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: 4526
Total AfriNIC prefixes after maximum aggregation: 1392
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4100
Unique aggregates announced from the AfriNIC address blocks: 1391
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 14.44
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 58
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 9995264
Equivalent to 0 /8s, 152 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 29.8
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 1654 6924 381 Korea Telecom (KIX)
17488 1524 110 98 Hathway IP Over Cable Interne
4755 1208 429 178 TATA Communications formerly
9583 1083 107 362 Sify Limited
4134 904 16247 368 CHINANET-BACKBONE
18101 754 190 27 Reliance Infocom Ltd Internet
7545 720 158 97 TPG Internet Pty Ltd
9498 682 297 53 BHARTI BT INTERNET LTD.
24560 671 228 174 Bharti Airtel Ltd.
9829 639 491 19 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 4368 3433 344 bellsouth.net, inc.
209 2833 4035 615 Qwest
1785 1786 733 139 PaeTec Communications, Inc.
4323 1638 1081 375 Time Warner Telecom
20115 1592 1417 726 Charter Communications
7018 1439 5877 993 AT&T WorldNet Services
2386 1253 714 895 AT&T Data Communications Serv
6478 1235 293 501 AT&T Worldnet Services
11492 1226 192 12 Cable One
3356 1141 10976 439 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 1075 188 7 TEDATA
3292 443 1762 388 TDC Tele Danmark
30890 439 88 201 SC Kappa Invexim SRL
12479 397 578 6 Uni2 Autonomous System
3320 339 7064 290 Deutsche Telekom AG
3301 338 1669 304 TeliaNet Sweden
8866 336 109 22 Bulgarian Telecommunication C
3215 331 2946 103 France Telecom Transpac
29049 331 26 3 AzerSat LLC.
8551 312 288 40 Bezeq International
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 1484 2834 230 UniNet S.A. de C.V.
10620 747 163 92 TVCABLE BOGOTA
11830 694 299 9 Instituto Costarricense de El
22047 619 302 14 VTR PUNTO NET S.A.
7303 511 255 79 Telecom Argentina Stet-France
6471 439 95 42 ENTEL CHILE S.A.
16814 427 27 11 NSS, S.A.
11172 407 118 75 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
28573 371 506 23 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 651 74 39 LINKdotNET AS number
20858 276 34 3 This AS will be used to conne
3741 271 857 229 The Internet Solution
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 119 7 20 Internet Egypt Network
33776 118 6 3 Starcomms Nigeria Limited
5713 115 523 64 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 4368 3433 344 bellsouth.net, inc.
209 2833 4035 615 Qwest
1785 1786 733 139 PaeTec Communications, Inc.
4766 1654 6924 381 Korea Telecom (KIX)
4323 1638 1081 375 Time Warner Telecom
20115 1592 1417 726 Charter Communications
17488 1524 110 98 Hathway IP Over Cable Interne
8151 1484 2834 230 UniNet S.A. de C.V.
7018 1439 5877 993 AT&T WorldNet Services
2386 1253 714 895 AT&T Data Communications Serv
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 2218 Qwest
1785 1786 1647 PaeTec Communications, Inc.
17488 1524 1426 Hathway IP Over Cable Interne
4766 1654 1273 Korea Telecom (KIX)
4323 1638 1263 Time Warner Telecom
8151 1484 1254 UniNet S.A. de C.V.
11492 1226 1214 Cable One
8452 1075 1068 TEDATA
18566 1061 1051 Covad Communications
4755 1208 1030 TATA Communications formerly
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
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.12.96.0/19 15834 Menanet Communications
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 /8:19 /9:10 /10:20 /11:54 /12:162
/13:311 /14:575 /15:1128 /16:10327 /17:4585 /18:7857
/19:16906 /20:19888 /21:19496 /22:24720 /23:24959 /24:146354
/25:677 /26:830 /27:515 /28:104 /29:8 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2844 4368 bellsouth.net, inc.
209 1576 2833 Qwest
4766 1379 1654 Korea Telecom (KIX)
17488 1305 1524 Hathway IP Over Cable Interne
1785 1196 1786 PaeTec Communications, Inc.
11492 1188 1226 Cable One
8452 1049 1075 TEDATA
18566 1042 1061 Covad Communications
2386 941 1253 AT&T Data Communications Serv
9583 931 1083 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:181 12:2192 13:2 15:21 16:3
17:5 20:35 24:1108 32:51 38:543 40:96
41:1805 43:1 44:2 47:11 52:3 55:2
56:3 57:25 58:529 59:610 60:460 61:1097
62:1120 63:2008 64:3428 65:2431 66:3539 67:1470
68:652 69:2479 70:507 71:159 72:1612 73:2
74:1420 75:203 76:305 77:777 78:545 79:321
80:968 81:823 82:547 83:397 84:604 85:989
86:400 87:624 88:349 89:1386 90:42 91:1967
92:278 93:1083 94:1097 95:415 96:91 97:179
98:192 99:16 109:1 110:1 111:1 112:79
113:83 114:175 115:221 116:1161 117:477 118:269
119:647 120:137 121:703 122:945 123:514 124:849
125:1279 128:223 129:222 130:134 131:410 132:75
133:9 134:343 135:37 136:224 137:139 138:145
139:78 140:412 141:105 142:377 143:319 144:319
145:38 146:373 147:147 148:535 149:227 150:141
151:198 152:152 153:132 154:10 155:258 156:171
157:294 158:156 159:240 160:282 161:138 162:274
163:142 164:516 165:502 166:274 167:351 168:682
169:161 170:471 171:39 172:10 173:212 174:64
178:1 186:5 187:60 189:305 190:2557 192:5813
193:4198 194:3337 195:2694 196:1068 198:3683 199:3279
200:5513 201:1492 202:7812 203:7985 204:3859 205:2166
206:2354 207:2776 208:3825 209:3477 210:2612 211:1122
212:1509 213:1713 214:68 215:30 216:4560 217:1202
218:372 219:407 220:1209 221:459 222:306
End of report
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