Routing Table Report 04:00 +10GMT Tue 01 Jul, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 261277
Prefixes after maximum aggregation: 128418
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 127474
Total ASes present in the Internet Routing Table: 28587
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24920
Origin ASes announcing only one prefix: 12060
Transit ASes present in the Internet Routing Table: 3667
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 609
Unregistered ASNs in the Routing Table: 221
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: 772
Number of addresses announced to Internet: 1867299424
Equivalent to 111 /8s, 76 /16s and 186 /24s
Percentage of available address space announced: 50.4
Percentage of allocated address space announced: 61.2
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.4
Total number of prefixes smaller than registry allocations: 127188
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59809
Total APNIC prefixes after maximum aggregation: 22269
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 56813
Unique aggregates announced from the APNIC address blocks: 25234
APNIC Region origin ASes present in the Internet Routing Table: 3290
APNIC Prefixes per ASN: 17.27
APNIC Region origin ASes announcing only one prefix: 882
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 360274208
Equivalent to 21 /8s, 121 /16s and 89 /24s
Percentage of available APNIC address space announced: 76.7
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: 120008
Total ARIN prefixes after maximum aggregation: 64965
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89688
Unique aggregates announced from the ARIN address blocks: 34717
ARIN Region origin ASes present in the Internet Routing Table: 12246
ARIN Prefixes per ASN: 7.32
ARIN Region origin ASes announcing only one prefix: 4741
ARIN Region transit ASes present in the Internet Routing Table: 1149
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353407648
Equivalent to 21 /8s, 16 /16s and 146 /24s
Percentage of available ARIN address space announced: 72.6
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, 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: 56354
Total RIPE prefixes after maximum aggregation: 34264
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51563
Unique aggregates announced from the RIPE address blocks: 34623
RIPE Region origin ASes present in the Internet Routing Table: 11546
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6045
RIPE Region transit ASes present in the Internet Routing Table: 1741
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 364124800
Equivalent to 21 /8s, 180 /16s and 26 /24s
Percentage of available RIPE address space announced: 83.5
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: 20422
Total LACNIC prefixes after maximum aggregation: 5216
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18637
Unique aggregates announced from the LACNIC address blocks: 10525
LACNIC Region origin ASes present in the Internet Routing Table: 964
LACNIC Prefixes per ASN: 19.33
LACNIC Region origin ASes announcing only one prefix: 315
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: 15
Number of LACNIC addresses announced to Internet: 52775936
Equivalent to 3 /8s, 37 /16s and 76 /24s
Percentage of available LACNIC address space announced: 52.4
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: 4078
Total AfriNIC prefixes after maximum aggregation: 1200
AfriNIC Deaggregation factor: 3.40
Prefixes being announced from the AfriNIC address blocks: 4356
Unique aggregates announced from the AfriNIC address blocks: 1885
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 18.00
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12228864
Equivalent to 0 /8s, 186 /16s and 153 /24s
Percentage of available AfriNIC address space announced: 36.4
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 1662 340 177 Videsh Sanchar Nigam Ltd. Aut
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1158 109 419 Sify Limited
9498 1079 550 62 BHARTI BT INTERNET LTD.
4766 846 6006 343 Korea Telecom (KIX)
4134 830 13057 329 CHINANET-BACKBONE
23577 823 35 703 Korea Telecom (ATM-MPLS)
4780 704 351 63 Digital United Inc.
18101 688 167 33 Reliance Infocom Ltd Internet
9829 598 450 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 3009 3874 622 Qwest
6389 2669 3260 199 bellsouth.net, inc.
2386 1495 663 877 AT&T Data Communications Serv
4323 1471 1045 377 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
11492 1222 150 12 Cable One
1785 1080 510 104 AppliedTheory Corporation
20115 1048 1068 561 Charter Communications
18566 1045 296 10 Covad Communications
7011 1016 287 554 Citizens Utilities
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 1788 372 TDC Tele Danmark
8452 347 188 11 TEDATA
3301 335 1460 305 TeliaNet Sweden
3320 319 7046 268 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
3215 286 2742 89 France Telecom Transpac
8551 286 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 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 1274 2464 228 UniNet S.A. de C.V.
11830 604 299 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 411 85 48 ENTEL CHILE S.A.
11172 410 118 70 Servicios Alestra S.A de C.V
10620 403 106 68 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 335 23 98 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 397 34 3 EgyNet
3741 273 853 224 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 155 558 93 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
29571 102 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 3009 3874 622 Qwest
6389 2669 3260 199 bellsouth.net, inc.
4755 1662 340 177 Videsh Sanchar Nigam Ltd. Aut
2386 1495 663 877 AT&T Data Communications Serv
4323 1471 1045 377 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
8151 1274 2464 228 UniNet S.A. de C.V.
11492 1222 150 12 Cable One
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1158 109 419 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2669 2470 bellsouth.net, inc.
4755 1662 1485 Videsh Sanchar Nigam Ltd. Aut
11492 1222 1210 Cable One
17488 1188 1097 Hathway IP Over Cable Interne
4323 1471 1094 Time Warner Telecom
8151 1274 1046 UniNet S.A. de C.V.
18566 1045 1035 Covad Communications
9498 1079 1017 BHARTI BT INTERNET LTD.
1785 1080 976 AppliedTheory Corporation
22773 967 905 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 /8:18 /9:9 /10:16 /11:45 /12:143
/13:281 /14:513 /15:1038 /16:9976 /17:4332 /18:7374
/19:15733 /20:18384 /21:18020 /22:22424 /23:23385 /24:136814
/25:857 /26:1034 /27:780 /28:84 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1765 3009 Qwest
6389 1669 2669 bellsouth.net, inc.
11492 1202 1222 Cable One
2386 1190 1495 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
4755 1009 1662 Videsh Sanchar Nigam Ltd. Aut
9583 1009 1158 Sify Limited
17488 1002 1188 Hathway IP Over Cable Interne
6298 977 992 Cox Communicatons
6478 947 956 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 8:119 12:2066 13:2 15:22 16:3
17:5 18:13 20:35 24:1077 25:1 32:62
38:445 40:92 41:654 43:1 44:2 47:12
52:3 55:3 56:3 57:24 58:496 59:501
60:449 61:1001 62:1197 63:2029 64:3288 65:2377
66:3535 67:1228 68:694 69:2259 70:681 71:119
72:1818 73:5 74:1030 75:159 76:299 77:735
78:713 79:197 80:953 81:848 82:593 83:395
84:578 85:1025 86:415 87:696 88:335 89:1286
90:14 91:1300 92:204 93:611 94:52 96:37
97:27 98:169 99:3 112:1 113:1 114:57
116:756 117:333 118:181 119:458 120:58 121:552
122:794 123:360 124:858 125:1155 128:362 129:202
130:131 131:409 132:67 133:9 134:177 135:33
136:221 137:87 138:145 139:93 140:490 141:99
142:415 143:313 144:365 145:51 146:365 147:156
148:508 149:198 150:129 151:191 152:131 153:136
154:10 155:277 156:174 157:277 158:186 159:240
160:275 161:114 162:239 163:187 164:523 165:450
166:317 167:326 168:627 169:136 170:428 171:30
172:10 189:241 190:2140 192:5786 193:4099 194:3226
195:2520 196:1065 198:3733 199:3270 200:5555 201:1458
202:7595 203:8013 204:3972 205:2128 206:2391 207:2770
208:3405 209:3516 210:2569 211:1056 212:1430 213:1602
214:148 215:49 216:4402 217:1199 218:345 219:418
220:1057 221:472 222:309
End of report