[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 29 18:12:59 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 30 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 289077
Prefixes after maximum aggregation: 136617
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 142075
Total ASes present in the Internet Routing Table: 31358
Prefixes per ASN: 9.22
Origin-only ASes present in the Internet Routing Table: 27249
Origin ASes announcing only one prefix: 13307
Transit ASes present in the Internet Routing Table: 4109
Transit-only ASes present in the Internet Routing Table: 95
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 517
Unregistered ASNs in the Routing Table: 148
Number of 32-bit ASNs allocated by the RIRs: 164
Prefixes from 32-bit ASNs in the Routing Table: 42
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 804
Number of addresses announced to Internet: 2055663936
Equivalent to 122 /8s, 134 /16s and 241 /24s
Percentage of available address space announced: 55.5
Percentage of allocated address space announced: 64.2
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.2
Total number of prefixes smaller than registry allocations: 143093
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 68122
Total APNIC prefixes after maximum aggregation: 24375
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 67545
Unique aggregates announced from the APNIC address blocks: 30656
APNIC Region origin ASes present in the Internet Routing Table: 3645
APNIC Prefixes per ASN: 18.53
APNIC Region origin ASes announcing only one prefix: 998
APNIC Region transit ASes present in the Internet Routing Table: 558
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 452378976
Equivalent to 26 /8s, 246 /16s and 193 /24s
Percentage of available APNIC address space announced: 84.3
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: 124963
Total ARIN prefixes after maximum aggregation: 65735
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 125685
Unique aggregates announced from the ARIN address blocks: 51667
ARIN Region origin ASes present in the Internet Routing Table: 13003
ARIN Prefixes per ASN: 9.67
ARIN Region origin ASes announcing only one prefix: 4995
ARIN Region transit ASes present in the Internet Routing Table: 1272
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1017392960
Equivalent to 60 /8s, 164 /16s and 47 /24s
Percentage of available ARIN address space announced: 195.6
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
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: 65530
Total RIPE prefixes after maximum aggregation: 38773
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 64743
Unique aggregates announced from the RIPE address blocks: 43594
RIPE Region origin ASes present in the Internet Routing Table: 13072
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 6862
RIPE Region transit ASes present in the Internet Routing Table: 1983
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 480688032
Equivalent to 28 /8s, 166 /16s and 183 /24s
Percentage of available RIPE address space announced: 102.3
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: 23841
Total LACNIC prefixes after maximum aggregation: 5941
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 23727
Unique aggregates announced from the LACNIC address blocks: 13095
LACNIC Region origin ASes present in the Internet Routing Table: 1117
LACNIC Prefixes per ASN: 21.24
LACNIC Region origin ASes announcing only one prefix: 363
LACNIC Region transit ASes present in the Internet Routing Table: 185
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 71561088
Equivalent to 4 /8s, 67 /16s and 239 /24s
Percentage of available LACNIC address space announced: 71.1
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: 6192
Total AfriNIC prefixes after maximum aggregation: 1451
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6560
Unique aggregates announced from the AfriNIC address blocks: 2430
AfriNIC Region origin ASes present in the Internet Routing Table: 297
AfriNIC Prefixes per ASN: 22.09
AfriNIC Region origin ASes announcing only one prefix: 89
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19306496
Equivalent to 1 /8s, 38 /16s and 152 /24s
Percentage of available AfriNIC address space announced: 57.5
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 1705 6930 401 Korea Telecom (KIX)
17488 1588 130 99 Hathway IP Over Cable Interne
4755 1249 476 124 TATA Communications formerly
9583 1075 86 538 Sify Limited
4134 890 16789 375 CHINANET-BACKBONE
7545 787 198 101 TPG Internet Pty Ltd
23577 779 34 660 Korea Telecom (ATM-MPLS)
18101 748 216 29 Reliance Infocom Ltd Internet
24560 693 230 174 Bharti Airtel Ltd.
9829 669 561 15 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 4293 3647 324 bellsouth.net, inc.
209 2540 4137 604 Qwest
4323 1856 1035 374 Time Warner Telecom
1785 1699 717 139 PaeTec Communications, Inc.
20115 1626 1441 720 Charter Communications
7018 1500 5902 1033 AT&T WorldNet Services
6478 1398 310 442 AT&T Worldnet Services
2386 1269 683 922 AT&T Data Communications Serv
3356 1212 10981 456 Level 3 Communications, LLC
11492 1109 208 12 Cable One
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
30890 526 87 196 Evolva Telecom
3292 456 1893 394 TDC Tele Danmark
12479 450 578 6 Uni2 Autonomous System
702 430 1864 344 UUNET - Commercial IP service
8866 386 110 26 Bulgarian Telecommunication C
35805 348 24 4 United Telecom of Georgia
3320 344 7066 295 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
29049 317 26 3 AzerSat LLC.
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 1453 2863 234 UniNet S.A. de C.V.
10620 914 207 108 TVCABLE BOGOTA
22047 579 302 14 VTR PUNTO NET S.A.
7303 543 293 79 Telecom Argentina Stet-France
11830 486 292 54 Instituto Costarricense de El
28573 472 562 35 NET Servicos de Comunicao S.A
6471 443 96 32 ENTEL CHILE S.A.
11172 441 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 357 170 79 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 1203 188 7 TEDATA
24863 880 81 41 LINKdotNET AS number
20858 326 34 5 EgyNet
3741 278 860 238 The Internet Solution
2018 245 215 143 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
33776 116 6 7 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
6389 4293 3647 324 bellsouth.net, inc.
209 2540 4137 604 Qwest
4323 1856 1035 374 Time Warner Telecom
4766 1705 6930 401 Korea Telecom (KIX)
1785 1699 717 139 PaeTec Communications, Inc.
20115 1626 1441 720 Charter Communications
17488 1588 130 99 Hathway IP Over Cable Interne
7018 1500 5902 1033 AT&T WorldNet Services
8151 1453 2863 234 UniNet S.A. de C.V.
6478 1398 310 442 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 2540 1936 Qwest
1785 1699 1560 PaeTec Communications, Inc.
17488 1588 1489 Hathway IP Over Cable Interne
4323 1856 1482 Time Warner Telecom
4766 1705 1304 Korea Telecom (KIX)
8151 1453 1219 UniNet S.A. de C.V.
8452 1203 1196 TEDATA
4755 1249 1125 TATA Communications formerly
11492 1109 1097 Cable One
18566 1062 1052 Covad Communications
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 /10:22 /11:58 /12:166
/13:347 /14:602 /15:1151 /16:10486 /17:4764 /18:8174
/19:17108 /20:20443 /21:20381 /22:26048 /23:25758 /24:151008
/25:832 /26:991 /27:544 /28:144 /29:8 /30:5
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2800 4293 bellsouth.net, inc.
4766 1398 1705 Korea Telecom (KIX)
17488 1307 1588 Hathway IP Over Cable Interne
209 1283 2540 Qwest
1785 1175 1699 PaeTec Communications, Inc.
8452 1172 1203 TEDATA
11492 1043 1109 Cable One
18566 1043 1062 Covad Communications
2386 977 1269 AT&T Data Communications Serv
4323 955 1856 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:203 12:2216 13:10 15:19 16:3
17:4 20:35 24:1075 32:52 34:2 38:561
40:97 41:1977 43:1 44:2 47:22 52:4
55:2 56:3 57:24 58:586 59:642 60:459
61:1092 62:1091 63:2083 64:3713 65:2381 66:3621
67:1606 68:822 69:2629 70:531 71:147 72:1665
73:2 74:1535 75:172 76:308 77:860 78:557
79:341 80:975 81:822 82:553 83:429 84:643
85:1037 86:401 87:655 88:354 89:1436 90:60
91:2253 92:339 93:1035 94:1226 95:1182 96:134
97:209 98:242 99:20 109:1 110:126 112:129
113:109 114:269 115:291 116:1162 117:529 118:298
119:702 120:145 121:746 122:1028 123:684 124:979
125:1323 128:222 129:236 130:125 131:412 132:75
133:9 134:186 135:39 136:224 137:155 138:160
139:78 140:447 141:114 142:381 143:347 144:365
145:47 146:375 147:160 148:518 149:229 150:177
151:198 152:146 153:140 154:2 155:275 156:170
157:296 158:114 159:312 160:283 161:143 162:267
163:151 164:480 165:499 166:274 167:361 168:680
169:164 170:467 171:40 172:10 173:288 174:217
178:1 180:1 183:1 186:17 187:105 188:20
189:418 190:2687 192:5782 193:4221 194:3299 195:2701
196:1067 198:3630 199:3366 200:5205 201:1273 202:7874
203:8188 204:3837 205:2139 206:2453 207:2778 208:3901
209:3437 210:2683 211:1118 212:1512 213:1664 214:76
215:31 216:4702 217:1277 218:367 219:430 220:1217
221:476 222:302
End of report
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