[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 12 18:11:14 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 13 Jun, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 287824
Prefixes after maximum aggregation: 137147
Deaggregation factor: 2.10
Unique aggregates announced to Internet: 142799
Total ASes present in the Internet Routing Table: 31449
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 27360
Origin ASes announcing only one prefix: 13306
Transit ASes present in the Internet Routing Table: 4089
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 500
Unregistered ASNs in the Routing Table: 147
Number of 32-bit ASNs allocated by the RIRs: 181
Prefixes from 32-bit ASNs in the Routing Table: 49
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 829
Number of addresses announced to Internet: 2050857808
Equivalent to 122 /8s, 61 /16s and 155 /24s
Percentage of available address space announced: 55.3
Percentage of allocated address space announced: 64.0
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.4
Total number of prefixes smaller than registry allocations: 142267
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 68490
Total APNIC prefixes after maximum aggregation: 24490
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 67896
Unique aggregates announced from the APNIC address blocks: 30776
APNIC Region origin ASes present in the Internet Routing Table: 3665
APNIC Prefixes per ASN: 18.53
APNIC Region origin ASes announcing only one prefix: 997
APNIC Region transit ASes present in the Internet Routing Table: 556
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 453620336
Equivalent to 27 /8s, 9 /16s and 178 /24s
Percentage of available APNIC address space announced: 84.5
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,
180/8, 183/8, 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: 123257
Total ARIN prefixes after maximum aggregation: 65969
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124046
Unique aggregates announced from the ARIN address blocks: 51834
ARIN Region origin ASes present in the Internet Routing Table: 13033
ARIN Prefixes per ASN: 9.52
ARIN Region origin ASes announcing only one prefix: 4995
ARIN Region transit ASes present in the Internet Routing Table: 1276
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1009227328
Equivalent to 60 /8s, 39 /16s and 150 /24s
Percentage of available ARIN address space announced: 194.0
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
53248-55295
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: 65736
Total RIPE prefixes after maximum aggregation: 38944
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 64869
Unique aggregates announced from the RIPE address blocks: 43770
RIPE Region origin ASes present in the Internet Routing Table: 13116
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 6865
RIPE Region transit ASes present in the Internet Routing Table: 1966
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 482559648
Equivalent to 28 /8s, 195 /16s and 70 /24s
Percentage of available RIPE address space announced: 102.7
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, 47104-52223
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: 23862
Total LACNIC prefixes after maximum aggregation: 5946
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 23726
Unique aggregates announced from the LACNIC address blocks: 13297
LACNIC Region origin ASes present in the Internet Routing Table: 1119
LACNIC Prefixes per ASN: 21.20
LACNIC Region origin ASes announcing only one prefix: 361
LACNIC Region transit ASes present in the Internet Routing Table: 184
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 71622272
Equivalent to 4 /8s, 68 /16s and 222 /24s
Percentage of available LACNIC address space announced: 71.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 6035
Total AfriNIC prefixes after maximum aggregation: 1453
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6445
Unique aggregates announced from the AfriNIC address blocks: 2468
AfriNIC Region origin ASes present in the Internet Routing Table: 296
AfriNIC Prefixes per ASN: 21.77
AfriNIC Region origin ASes announcing only one prefix: 88
AfriNIC Region transit ASes present in the Internet Routing Table: 59
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19460608
Equivalent to 1 /8s, 40 /16s and 242 /24s
Percentage of available AfriNIC address space announced: 58.0
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 1709 6931 402 Korea Telecom (KIX)
17488 1600 130 101 Hathway IP Over Cable Interne
4755 1251 362 128 TATA Communications formerly
9583 1100 87 549 Sify Limited
4134 892 16925 377 CHINANET-BACKBONE
7545 793 198 101 TPG Internet Pty Ltd
23577 780 34 664 Korea Telecom (ATM-MPLS)
18101 751 216 30 Reliance Infocom Ltd Internet
24560 714 230 174 Bharti Airtel Ltd.
9829 683 572 18 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 4290 3647 324 bellsouth.net, inc.
4323 1863 1035 376 Time Warner Telecom
1785 1687 717 138 PaeTec Communications, Inc.
20115 1627 1447 733 Charter Communications
7018 1506 5924 1042 AT&T WorldNet Services
6478 1375 305 476 AT&T Worldnet Services
2386 1264 683 918 AT&T Data Communications Serv
3356 1204 10980 452 Level 3 Communications, LLC
11492 1114 208 12 Cable One
18566 1062 296 10 Covad 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 454 1902 392 TDC Tele Danmark
12479 450 578 6 Uni2 Autonomous System
702 431 1861 347 UUNET - Commercial IP service
30890 413 87 193 Evolva Telecom
35805 358 24 4 United Telecom of Georgia
8866 351 109 21 Bulgarian Telecommunication C
3301 344 1684 307 TeliaNet Sweden
3215 343 3041 108 France Telecom Transpac
3320 338 7066 296 Deutsche Telekom AG
9121 319 1442 25 TTnet Autonomous System
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 1466 2879 233 UniNet S.A. de C.V.
10620 906 206 115 TVCABLE BOGOTA
22047 591 302 14 VTR PUNTO NET S.A.
7303 566 298 85 Telecom Argentina Stet-France
28573 538 563 35 NET Servicos de Comunicao S.A
11830 486 292 54 Instituto Costarricense de El
6471 443 96 32 ENTEL CHILE S.A.
11172 443 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 363 188 81 Empresa Nacional de Telecomun
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
8452 981 188 7 TEDATA
24863 884 82 40 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 160 151 12 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 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 4290 3647 324 bellsouth.net, inc.
4323 1863 1035 376 Time Warner Telecom
4766 1709 6931 402 Korea Telecom (KIX)
1785 1687 717 138 PaeTec Communications, Inc.
20115 1627 1447 733 Charter Communications
17488 1600 130 101 Hathway IP Over Cable Interne
7018 1506 5924 1042 AT&T WorldNet Services
8151 1466 2879 233 UniNet S.A. de C.V.
6478 1375 305 476 AT&T Worldnet Services
2386 1264 683 918 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
1785 1687 1549 PaeTec Communications, Inc.
17488 1600 1499 Hathway IP Over Cable Interne
4323 1863 1487 Time Warner Telecom
4766 1709 1307 Korea Telecom (KIX)
8151 1466 1233 UniNet S.A. de C.V.
4755 1251 1123 TATA Communications formerly
11492 1114 1102 Cable One
18566 1062 1052 Covad Communications
22773 1062 996 Cox Communications, Inc.
8452 981 974 TEDATA
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
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.31.59.0/24 7017 ServiceCo LLC - Road Runner
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 /11:58 /12:166
/13:348 /14:601 /15:1154 /16:10514 /17:4723 /18:8087
/19:16903 /20:20163 /21:19974 /22:25876 /23:25740 /24:150868
/25:863 /26:1030 /27:538 /28:148 /29:8 /30:5
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2796 4290 bellsouth.net, inc.
4766 1402 1709 Korea Telecom (KIX)
17488 1313 1600 Hathway IP Over Cable Interne
1785 1163 1687 PaeTec Communications, Inc.
11492 1044 1114 Cable One
18566 1043 1062 Covad Communications
2386 977 1264 AT&T Data Communications Serv
4323 953 1863 Time Warner Telecom
9583 951 1100 Sify Limited
8452 914 981 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:206 12:2245 13:10 15:19 16:2
17:4 20:36 24:1081 32:52 34:2 38:571
40:97 41:1701 43:1 44:2 47:22 52:4
55:2 56:3 57:24 58:570 59:640 60:459
61:1073 62:1107 63:2013 64:3718 65:2384 66:3622
67:1623 68:824 69:2643 70:557 71:174 72:1676
73:2 74:1572 75:169 76:311 77:849 78:549
79:353 80:971 81:833 82:560 83:434 84:634
85:1030 86:397 87:650 88:354 89:1445 90:57
91:2312 92:344 93:1055 94:1228 95:1031 96:140
97:217 98:245 99:22 109:1 110:143 111:9
112:136 113:125 114:256 115:326 116:1163 117:530
118:288 119:692 120:145 121:754 122:1031 123:694
124:994 125:1336 128:224 129:236 130:127 131:408
132:74 133:9 134:186 135:38 136:224 137:153
138:161 139:78 140:433 141:119 142:385 143:345
144:362 145:48 146:380 147:164 148:519 149:233
150:177 151:190 152:147 153:141 154:2 155:276
156:170 157:302 158:115 159:312 160:284 161:151
162:271 163:169 164:482 165:502 166:275 167:359
168:674 169:164 170:471 171:39 172:10 173:287
174:226 178:1 180:1 183:1 186:22 187:96
188:22 189:432 190:2745 192:5780 193:4256 194:3307
195:2696 196:1101 198:3598 199:3360 200:5086 201:1278
202:7900 203:8170 204:3879 205:2153 206:2441 207:2731
208:3883 209:3400 210:2681 211:1122 212:1604 213:1657
214:80 215:31 216:4534 217:1306 218:387 219:443
220:1223 221:488 222:304
End of report
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