[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jul 12 04:07:42 EST 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 12 Jul, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 262262
Prefixes after maximum aggregation: 128798
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 128001
Total ASes present in the Internet Routing Table: 28650
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 24985
Origin ASes announcing only one prefix: 12092
Transit ASes present in the Internet Routing Table: 3665
Transit-only ASes present in the Internet Routing Table: 78
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: 603
Unregistered ASNs in the Routing Table: 217
Number of 32-bit ASNs allocated by the RIRs: 48
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: 781
Number of addresses announced to Internet: 1856079840
Equivalent to 110 /8s, 161 /16s and 135 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.7
Total number of prefixes smaller than registry allocations: 127883
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 60114
Total APNIC prefixes after maximum aggregation: 22448
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 57088
Unique aggregates announced from the APNIC address blocks: 25456
APNIC Region origin ASes present in the Internet Routing Table: 3301
APNIC Prefixes per ASN: 17.29
APNIC Region origin ASes announcing only one prefix: 879
APNIC Region transit ASes present in the Internet Routing Table: 520
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 365086240
Equivalent to 21 /8s, 194 /16s and 198 /24s
Percentage of available APNIC address space announced: 77.7
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, 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: 120397
Total ARIN prefixes after maximum aggregation: 65051
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 90092
Unique aggregates announced from the ARIN address blocks: 34869
ARIN Region origin ASes present in the Internet Routing Table: 12272
ARIN Prefixes per ASN: 7.34
ARIN Region origin ASes announcing only one prefix: 4750
ARIN Region transit ASes present in the Internet Routing Table: 1146
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 351882784
Equivalent to 20 /8s, 249 /16s and 78 /24s
Percentage of available ARIN address space announced: 72.3
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: 56428
Total RIPE prefixes after maximum aggregation: 34361
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51609
Unique aggregates announced from the RIPE address blocks: 34670
RIPE Region origin ASes present in the Internet Routing Table: 11584
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6079
RIPE Region transit ASes present in the Internet Routing Table: 1742
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 365628544
Equivalent to 21 /8s, 203 /16s and 12 /24s
Percentage of available RIPE address space announced: 83.8
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: 20695
Total LACNIC prefixes after maximum aggregation: 5260
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 18843
Unique aggregates announced from the LACNIC address blocks: 10697
LACNIC Region origin ASes present in the Internet Routing Table: 963
LACNIC Prefixes per ASN: 19.57
LACNIC Region origin ASes announcing only one prefix: 311
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 53584640
Equivalent to 3 /8s, 49 /16s and 163 /24s
Percentage of available LACNIC address space announced: 53.2
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: 4028
Total AfriNIC prefixes after maximum aggregation: 1186
AfriNIC Deaggregation factor: 3.40
Prefixes being announced from the AfriNIC address blocks: 4333
Unique aggregates announced from the AfriNIC address blocks: 1861
AfriNIC Region origin ASes present in the Internet Routing Table: 239
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 45
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12243712
Equivalent to 0 /8s, 186 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 36.5
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 1673 342 175 Videsh Sanchar Nigam Ltd. Aut
17488 1208 83 93 Hathway IP Over Cable Interne
9583 1152 86 477 Sify Limited
9498 1080 550 63 BHARTI BT INTERNET LTD.
4766 851 6390 347 Korea Telecom (KIX)
23577 831 35 704 Korea Telecom (ATM-MPLS)
4134 823 13523 332 CHINANET-BACKBONE
4780 704 351 63 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9829 599 450 12 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
209 3008 3874 625 Qwest
6389 2664 3260 195 bellsouth.net, inc.
2386 1485 663 877 AT&T Data Communications Serv
4323 1475 1045 377 Time Warner Telecom
7018 1399 5823 981 AT&T WorldNet Services
6298 1303 185 753 Cox Communicatons
11492 1221 148 31 Cable One
1785 1084 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1043 1059 557 Charter 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 414 1792 372 TDC Tele Danmark
8452 348 188 11 TEDATA
3301 333 1460 304 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8866 313 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 269 38 Bezeq International
3215 286 2758 90 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 244 Dynamic Network Technologies,
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 1368 2588 224 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 469 231 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 414 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 405 106 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 336 23 99 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 398 34 3 EgyNet
3741 273 853 224 The Internet Solution
2018 222 206 94 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 130 556 75 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
29571 107 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 3008 3874 625 Qwest
6389 2664 3260 195 bellsouth.net, inc.
4755 1673 342 175 Videsh Sanchar Nigam Ltd. Aut
2386 1485 663 877 AT&T Data Communications Serv
4323 1475 1045 377 Time Warner Telecom
7018 1399 5823 981 AT&T WorldNet Services
8151 1368 2588 224 UniNet S.A. de C.V.
6298 1303 185 753 Cox Communicatons
11492 1221 148 31 Cable One
17488 1208 83 93 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 2664 2469 bellsouth.net, inc.
4755 1673 1498 Videsh Sanchar Nigam Ltd. Aut
11492 1221 1190 Cable One
8151 1368 1144 UniNet S.A. de C.V.
17488 1208 1115 Hathway IP Over Cable Interne
4323 1475 1098 Time Warner Telecom
18566 1045 1035 Covad Communications
9498 1080 1017 BHARTI BT INTERNET LTD.
1785 1084 980 AppliedTheory Corporation
22773 969 906 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.
24.54.23.0/24 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
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 /8:17 /9:9 /10:16 /11:45 /12:145
/13:286 /14:516 /15:1037 /16:9979 /17:4327 /18:7427
/19:15846 /20:18437 /21:18085 /22:22612 /23:23524 /24:137181
/25:854 /26:1038 /27:781 /28:83 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1761 3008 Qwest
6389 1667 2664 bellsouth.net, inc.
6298 1288 1303 Cox Communicatons
11492 1205 1221 Cable One
2386 1181 1485 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
17488 1022 1208 Hathway IP Over Cable Interne
4755 1018 1673 Videsh Sanchar Nigam Ltd. Aut
9583 1007 1152 Sify Limited
6478 981 990 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 8:126 12:2084 13:2 15:22 16:3
17:5 18:13 20:35 24:1081 25:1 32:61
38:447 40:92 41:663 43:1 44:2 47:12
52:3 55:3 56:3 57:25 58:518 59:505
60:450 61:1002 62:1192 63:2028 64:3282 65:2382
66:3519 67:1229 68:712 69:2266 70:736 71:118
72:1900 73:5 74:1054 75:153 76:302 77:744
78:723 79:200 80:931 81:841 82:589 83:388
84:564 85:952 86:411 87:684 88:335 89:1289
90:14 91:1336 92:220 93:674 94:56 96:40
97:28 98:207 99:2 112:1 113:1 114:79
115:2 116:824 117:319 118:190 119:420 120:60
121:562 122:798 123:364 124:867 125:1160 128:362
129:199 130:132 131:407 132:66 133:9 134:177
135:32 136:222 137:83 138:146 139:94 140:490
141:98 142:407 143:314 144:367 145:51 146:367
147:158 148:516 149:198 150:130 151:190 152:144
153:136 154:10 155:277 156:174 157:291 158:184
159:237 160:279 161:118 162:219 163:187 164:523
165:451 166:320 167:329 168:632 169:137 170:428
171:32 172:10 188:1 189:271 190:2175 192:5723
193:4104 194:3224 195:2525 196:1046 198:3715 199:3256
200:5549 201:1471 202:7611 203:8047 204:3972 205:2124
206:2383 207:2760 208:3423 209:3494 210:2588 211:1074
212:1404 213:1574 214:158 215:49 216:4411 217:1201
218:342 219:420 220:1058 221:468 222:308
End of report
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