Routing Table Report 04:00 +10GMT Wed 04 Jul, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/04/0400
Analysis Summary
----------------
BGP routing table entries examined: 224426
Prefixes after maximum aggregation: 118386
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109066
Total ASes present in the Internet Routing Table: 25584
Prefixes per ASN: 8.77
Origin-only ASes present in the Internet Routing Table: 22281
Origin ASes announcing only one prefix: 10827
Transit ASes present in the Internet Routing Table: 3303
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1731914208
Equivalent to 103 /8s, 58 /16s and 233 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 117863
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52560
Total APNIC prefixes after maximum aggregation: 20508
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 49460
Unique aggregates announced from the APNIC address blocks: 21755
APNIC Region origin ASes present in the Internet Routing Table: 2997
APNIC Prefixes per ASN: 16.50
APNIC Region origin ASes announcing only one prefix: 806
APNIC Region transit ASes present in the Internet Routing Table: 452
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 301707936
Equivalent to 17 /8s, 251 /16s and 178 /24s
Percentage of available APNIC address space announced: 74.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 107050
Total ARIN prefixes after maximum aggregation: 62238
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 78716
Unique aggregates announced from the ARIN address blocks: 31066
ARIN Region origin ASes present in the Internet Routing Table: 11668
ARIN Prefixes per ASN: 6.75
ARIN Region origin ASes announcing only one prefix: 4493
ARIN Region transit ASes present in the Internet Routing Table: 1062
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 338448192
Equivalent to 20 /8s, 44 /16s and 79 /24s
Percentage of available ARIN address space announced: 74.7
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
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 46909
Total RIPE prefixes after maximum aggregation: 30360
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43315
Unique aggregates announced from the RIPE address blocks: 28765
RIPE Region origin ASes present in the Internet Routing Table: 9839
RIPE Prefixes per ASN: 4.40
RIPE Region origin ASes announcing only one prefix: 5208
RIPE Region transit ASes present in the Internet Routing Table: 1574
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 320938176
Equivalent to 19 /8s, 33 /16s and 32 /24s
Percentage of available RIPE address space announced: 79.7
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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15335
Total LACNIC prefixes after maximum aggregation: 4260
LACNIC Deaggregation factor: 3.60
Prefixes being announced from the LACNIC address blocks: 13370
Unique aggregates announced from the LACNIC address blocks: 7533
LACNIC Region origin ASes present in the Internet Routing Table: 816
LACNIC Prefixes per ASN: 16.38
LACNIC Region origin ASes announcing only one prefix: 262
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40064000
Equivalent to 2 /8s, 99 /16s and 84 /24s
Percentage of available LACNIC address space announced: 59.7
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2563
Total AfriNIC prefixes after maximum aggregation: 1012
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 2048
Unique aggregates announced from the AfriNIC address blocks: 1245
AfriNIC Region origin ASes present in the Internet Routing Table: 193
AfriNIC Prefixes per ASN: 10.61
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6278912
Equivalent to 0 /8s, 95 /16s and 207 /24s
Percentage of available AfriNIC address space announced: 18.7
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 1346 10157 281 CHINANET-BACKBONE
4755 1258 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1111 79 397 Sify Limited
9498 982 469 66 BHARTI BT INTERNET LTD.
4766 789 4927 312 Korea Telecom (KIX)
23577 774 35 702 Korea Telecom (ATM-MPLS)
17488 710 46 51 Hathway IP Over Cable Interne
7545 659 154 114 TPG Internet Pty Ltd
18101 565 117 36 Reliance Infocom Ltd Internet
1221 543 1950 425 Telstra Pty Ltd
4812 517 904 92 China Telecom (Shanghai)
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 468 121 77 Primus Telecommunications
4802 411 105 151 Wantree Development
7474 410 218 270 SingTel Optus Pty Ltd
17974 371 130 13 PT TELEKOMUNIKASI INDONESIA
2907 362 1701 302 SINET Japan
9829 362 258 14 BSNL National Internet Backbo
17557 353 41 171 Pakistan Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1452 6073 982 AT&T WorldNet Services
4323 1318 1038 368 Time Warner Telecom
2386 1211 615 752 AT&T Data Communications Serv
6478 1127 368 154 AT&T Worldnet Services
11492 1094 107 23 Cable One
6197 1027 717 509 BellSouth Network Solutions,
18566 1011 288 9 Covad Communications
174 964 6778 864 Cogent Communications
701 949 6597 724 UUNET Technologies, Inc.
7011 850 252 538 Citizens Utilities
1239 811 2734 580 Sprint
20115 798 728 424 Charter Communications
19262 778 2724 201 Verizon Global Networks
209 751 3860 583 Qwest
22773 728 1892 44 Cox Communications, Inc.
5668 613 169 21 CenturyTel Internet Holdings,
7029 605 488 80 Alltel Information Services,
852 580 1089 363 Telus Advanced Communications
855 575 254 73 Canadian Research Network
6198 568 613 260 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 514 1075 136 Telenor Internet Access
702 505 1936 401 UUNET - Commercial IP service
24863 355 56 37 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 310 6034 257 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 264 2044 255 DFN-IP service G-WiN
3215 255 2376 96 France Telecom Transpac
8220 249 444 241 COLT Telecommunications
8708 248 419 238 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
5089 221 1658 53 NTL Group Limited
3352 219 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
9116 200 136 25 Goldenlines main autonomous s
1257 195 1196 173 SWIPnet Swedish IP Network
3246 195 329 185 Song Networks
12479 191 578 6 Uni2 Autonomous System
3300 187 172 92 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 853 1917 210 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 370 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 313 238 12 VTR PUNTO NET S.A.
7303 300 145 32 Telecom Argentina Stet-France
14117 279 19 15 Telefonica del Sur S.A.
6471 275 74 33 ENTEL CHILE S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
6503 209 188 84 AVANTEL, S.A.
10620 207 59 14 TVCABLE BOGOTA
23216 195 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 176 28 7 SatNet S.A.
21826 156 27 59 INTERCABLE
7910 155 11 30 ANDINET ON LINE
19169 153 10 31 Telconet
20299 152 23 12 NEWCOM AMERICAS
7738 146 474 22 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 280 867 221 The Internet Solution
8452 224 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 123 8 15 Internet Egypt Network
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
15475 76 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 14 MAURITIUS TELECOM
5713 45 294 35 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 36 2 2 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
21280 28 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1258 1186 Videsh Sanchar Nigam Ltd. Aut
11492 1094 1071 Cable One
4134 1346 1065 CHINANET-BACKBONE
18566 1011 1002 Covad Communications
6478 1127 973 AT&T Worldnet Services
4323 1318 950 Time Warner Telecom
9498 982 916 BHARTI BT INTERNET LTD.
9583 1111 714 Sify Limited
22773 728 684 Cox Communications, Inc.
17488 710 659 Hathway IP Over Cable Interne
8151 853 643 UniNet S.A. de C.V.
5668 613 592 CenturyTel Internet Holdings,
19262 778 577 Verizon Global Networks
7545 659 545 TPG Internet Pty Ltd
18101 565 529 Reliance Infocom Ltd Internet
7029 605 525 Alltel Information Services,
6517 560 525 Yipes Communications, Inc.
6197 1027 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
15270 554 516 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65502 PRIVATE 63.220.13.0/24 19316 Spectrum Access, Inc
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
65502 PRIVATE 206.161.9.0/24 19316 Spectrum Access, Inc
65502 PRIVATE 207.226.249.0/24 19316 Spectrum Access, Inc
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
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 /10:15 /11:36 /12:127
/13:252 /14:465 /15:896 /16:9536 /17:3984 /18:6485
/19:13679 /20:15874 /21:14298 /22:18682 /23:19594 /24:118121
/25:779 /26:982 /27:480 /28:77 /29:10 /30:14
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1117 1127 AT&T Worldnet Services
11492 1085 1094 Cable One
18566 993 1011 Covad Communications
9583 953 1111 Sify Limited
2386 904 1211 AT&T Data Communications Serv
7018 790 1452 AT&T WorldNet Services
6197 780 1027 BellSouth Network Solutions,
23577 760 774 Korea Telecom (ATM-MPLS)
7011 749 850 Citizens Utilities
4755 656 1258 Videsh Sanchar Nigam Ltd. Aut
9498 653 982 BHARTI BT INTERNET LTD.
4766 596 789 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 553 1318 Time Warner Telecom
17488 533 710 Hathway IP Over Cable Interne
6517 526 560 Yipes Communications, Inc.
15270 518 554 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
18101 480 565 Reliance Infocom Ltd Internet
5668 478 613 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1808 15:19
16:3 17:3 18:11 20:38 24:937 25:1
32:50 33:3 38:332 40:61 41:182 44:2
47:4 52:4 55:3 56:3 57:25 58:424
59:391 60:318 61:983 62:883 63:1966 64:3126
65:2342 66:3296 67:748 68:627 69:1895 70:433
71:106 72:1334 73:2 74:561 75:265 76:65
77:262 78:18 80:816 81:814 82:667 83:385
84:416 85:855 86:341 87:447 88:285 89:881
90:7 91:393 97:6 98:4 116:233 117:43
121:205 122:565 123:123 124:837 125:945 128:292
129:222 130:130 131:366 132:54 133:9 134:194
135:38 136:185 137:81 138:149 139:73 140:483
141:173 142:374 143:246 144:299 145:43 146:324
147:120 148:389 149:145 150:113 151:160 152:92
153:126 154:4 155:254 156:152 157:212 158:157
159:157 160:105 161:92 162:221 163:181 164:445
165:413 166:293 167:286 168:503 169:120 170:407
171:18 172:1 189:62 190:674 192:5765 193:3894
194:3169 195:2248 196:938 198:3806 199:3275 200:4899
201:1079 202:7367 203:7554 204:3956 205:2020 206:2413
207:2819 208:2710 209:3496 210:2454 211:959 212:1306
213:1444 214:413 215:41 216:4013 217:1152 218:359
219:381 220:981 221:413 222:264
End of report