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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Tue 20 May, 2008
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 266077
Prefixes after maximum aggregation: 128409
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124160
Total ASes present in the Internet Routing Table: 28231
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 24570
Origin ASes announcing only one prefix: 11407
Transit ASes present in the Internet Routing Table: 3661
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 27
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 25715
Unregistered ASNs in the Routing Table: 1901
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 782
Number of addresses announced to Internet: 1887561262
Equivalent to 112 /8s, 129 /16s and 230 /24s
Percentage of available address space announced: 50.9
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.9
Total number of prefixes smaller than registry allocations: 130552
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47973
Total APNIC prefixes after maximum aggregation: 13529
APNIC Deaggregation factor: 3.55
Prefixes being announced from the APNIC address blocks: 60388
Unique aggregates announced from the APNIC address blocks: 23790
APNIC Region origin ASes present in the Internet Routing Table: 1956
APNIC Prefixes per ASN: 30.87
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 358
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 349167264
Equivalent to 20 /8s, 207 /16s and 222 /24s
Percentage of available APNIC address space announced: 80.0
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, 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: 110931
Total ARIN prefixes after maximum aggregation: 60362
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89589
Unique aggregates announced from the ARIN address blocks: 34334
ARIN Region origin ASes present in the Internet Routing Table: 11844
ARIN Prefixes per ASN: 7.56
ARIN Region origin ASes announcing only one prefix: 4619
ARIN Region transit ASes present in the Internet Routing Table: 1073
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359346433
Equivalent to 21 /8s, 107 /16s and 49 /24s
Percentage of available ARIN address space announced: 73.9
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: 55817
Total RIPE prefixes after maximum aggregation: 33765
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51168
Unique aggregates announced from the RIPE address blocks: 33733
RIPE Region origin ASes present in the Internet Routing Table: 11326
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5890
RIPE Region transit ASes present in the Internet Routing Table: 1720
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 357139776
Equivalent to 21 /8s, 73 /16s and 133 /24s
Percentage of available RIPE address space announced: 81.9
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: 21799
Total LACNIC prefixes after maximum aggregation: 4984
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 20264
Unique aggregates announced from the LACNIC address blocks: 10059
LACNIC Region origin ASes present in the Internet Routing Table: 901
LACNIC Prefixes per ASN: 22.49
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 159
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 51336200
Equivalent to 3 /8s, 15 /16s and 84 /24s
Percentage of available LACNIC address space announced: 51.0
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: 3845
Total AfriNIC prefixes after maximum aggregation: 1194
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4165
Unique aggregates announced from the AfriNIC address blocks: 1854
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.14
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12232960
Equivalent to 0 /8s, 186 /16s and 169 /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
4134 3593 12661 319 CHINANET-BACKBONE
4538 2037 3134 41 China Education and Research
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
9498 1176 550 62 BHARTI BT INTERNET LTD.
9583 1146 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4766 814 6005 344 Korea Telecom (KIX)
18101 680 149 51 Reliance Infocom Ltd Internet
9829 599 451 13 BSNL National Internet Backbo
1221 545 1918 419 Telstra Pty Ltd
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4323 1428 1030 378 Time Warner Telecom
3549 1427 540 208 Global Crossing
2386 1414 629 882 AT&T Data Communications Serv
7018 1392 10061 989 AT&T WorldNet Services
11492 1218 148 13 Cable One
1803 1163 6 913 SPRINT
7011 1087 318 618 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1029 630 542 BellSouth Network Solutions,
1785 1021 510 105 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9198 428 74 9 Kazakhtelecom Data Network Ad
3292 412 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
5462 297 666 26 Telewest Broadband
8866 297 77 21 Bulgarian Telecommunication C
8551 282 269 37 Bezeq International
3215 279 2686 90 France Telecom Transpac
680 275 2047 265 DFN-IP service G-WiN
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 1622 225 65 Telecom Argentina Stet-France
8151 1214 2464 227 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 419 85 46 ENTEL CHILE S.A.
11172 409 117 67 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 361 92 11 Companhia de Telecomunicacoes
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 472 61 27 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 223 34 3 EgyNet
2018 182 173 82 Tertiary Education Network
5713 174 575 108 Telkom SA Ltd
6713 138 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 100 13 8 Ci Telecom Autonomous system
33776 99 6 7 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3712 3045 168 bellsouth.net, inc.
4134 3593 12661 319 CHINANET-BACKBONE
4538 2037 3134 41 China Education and Research
23577 1676 33 744 Korea Telecom (ATM-MPLS)
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1622 225 65 Telecom Argentina Stet-France
4323 1428 1030 378 Time Warner Telecom
3549 1427 540 208 Global Crossing
2386 1414 629 882 AT&T Data Communications Serv
7018 1392 10061 989 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 3593 3274 CHINANET-BACKBONE
4538 2037 1996 China Education and Research
7303 1622 1557 Telecom Argentina Stet-France
4755 1636 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1427 1219 Global Crossing
11492 1218 1205 Cable One
9583 1146 1131 Sify Limited
9498 1176 1114 BHARTI BT INTERNET LTD.
4323 1428 1050 Time Warner Telecom
18566 1044 1034 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 3561 Savvis
11096 UNALLOCATED 8.6.245.0/24 6939 Hurricane Electric
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 22212 netVMG, Inc.
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.246.49/32 286 KPNQwest Backbone AS
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
172.30.254.0/24 4771 Netgate
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
63.140.213.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/rviews/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 /8:20 /9:9 /10:16 /11:43 /12:141
/13:286 /14:518 /15:1016 /16:10003 /17:4462 /18:7440
/19:15649 /20:18415 /21:17950 /22:23043 /23:23655 /24:139744
/25:842 /26:989 /27:374 /28:696 /29:351 /30:208
/31:0 /32:207
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2346 3593 CHINANET-BACKBONE
11492 1201 1218 Cable One
1803 1143 1163 SPRINT
6389 1143 3712 bellsouth.net, inc.
7303 1128 1622 Telecom Argentina Stet-France
2386 1113 1414 AT&T Data Communications Serv
3549 1054 1427 Global Crossing
18566 1025 1044 Covad Communications
4755 985 1636 Videsh Sanchar Nigam Ltd. Aut
9583 984 1146 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2061 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1068 25:1
32:199 33:3 38:423 40:93 41:654 44:2
47:12 52:3 55:3 56:3 57:47 58:584
59:511 60:442 61:1192 62:1142 63:1968 64:3631
65:2424 66:3701 67:1200 68:660 69:2229 70:610
71:114 72:1671 73:5 74:968 75:215 76:320
77:646 78:602 79:161 80:898 81:865 82:627
83:403 84:570 85:1018 86:412 87:656 88:338
89:1310 90:11 91:1232 92:275 93:448 96:31
97:16 98:155 99:3 114:5 116:656 117:338
118:181 119:423 120:39 121:535 122:770 123:356
124:874 125:1444 128:322 129:203 130:130 131:405
132:66 133:9 134:179 135:33 136:221 137:88
138:146 139:71 140:492 141:95 142:401 143:274
144:356 145:50 146:377 147:152 148:494 149:185
150:131 151:181 152:144 153:134 154:11 155:273
156:174 157:271 158:163 159:221 160:255 161:113
162:213 163:199 164:522 165:458 166:321 167:321
168:624 169:131 170:446 171:28 172:23 189:176
190:2197 192:5781 193:4107 194:3281 195:2477 196:1065
198:3747 199:3243 200:6046 201:1635 202:8236 203:7857
204:4011 205:2087 206:2490 207:2817 208:3499 209:3545
210:2905 211:1216 212:1420 213:1633 214:459 215:50
216:4423 217:1215 218:521 219:527 220:1197 221:525
222:595
End of report
