Routing Table Report 04:00 +10GMT Fri 28 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/28/0400
Analysis Summary
----------------
BGP routing table entries examined: 233069
Prefixes after maximum aggregation: 120937
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 113137
Total ASes present in the Internet Routing Table: 26293
Prefixes per ASN: 8.86
Origin-only ASes present in the Internet Routing Table: 22886
Origin ASes announcing only one prefix: 11154
Transit ASes present in the Internet Routing Table: 3407
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 19
Unregistered ASNs in the Routing Table: 5
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: 11
Number of addresses announced to Internet: 1786613856
Equivalent to 106 /8s, 125 /16s and 144 /24s
Percentage of available address space announced: 48.2
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123963
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54456
Total APNIC prefixes after maximum aggregation: 20986
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 51383
Unique aggregates announced from the APNIC address blocks: 22768
APNIC Region origin ASes present in the Internet Routing Table: 3062
APNIC Prefixes per ASN: 16.78
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 471
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 319711136
Equivalent to 19 /8s, 14 /16s and 103 /24s
Percentage of available APNIC address space announced: 79.2
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: 109904
Total ARIN prefixes after maximum aggregation: 63248
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81100
Unique aggregates announced from the ARIN address blocks: 32068
ARIN Region origin ASes present in the Internet Routing Table: 11851
ARIN Prefixes per ASN: 6.84
ARIN Region origin ASes announcing only one prefix: 4545
ARIN Region transit ASes present in the Internet Routing Table: 1091
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 346032768
Equivalent to 20 /8s, 160 /16s and 10 /24s
Percentage of available ARIN address space announced: 76.4
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: 48903
Total RIPE prefixes after maximum aggregation: 31179
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45267
Unique aggregates announced from the RIPE address blocks: 29889
RIPE Region origin ASes present in the Internet Routing Table: 10233
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5455
RIPE Region transit ASes present in the Internet Routing Table: 1627
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 329252224
Equivalent to 19 /8s, 159 /16s and 253 /24s
Percentage of available RIPE address space announced: 75.5
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
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 17099
Total LACNIC prefixes after maximum aggregation: 4483
LACNIC Deaggregation factor: 3.81
Prefixes being announced from the LACNIC address blocks: 15202
Unique aggregates announced from the LACNIC address blocks: 8182
LACNIC Region origin ASes present in the Internet Routing Table: 866
LACNIC Prefixes per ASN: 17.55
LACNIC Region origin ASes announcing only one prefix: 274
LACNIC Region transit ASes present in the Internet Routing Table: 147
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 43261696
Equivalent to 2 /8s, 148 /16s and 31 /24s
Percentage of available LACNIC address space announced: 64.5
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: 2679
Total AfriNIC prefixes after maximum aggregation: 1025
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2282
Unique aggregates announced from the AfriNIC address blocks: 1363
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.13
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7458048
Equivalent to 0 /8s, 113 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 22.2
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 1357 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1123 81 415 Sify Limited
4134 1082 11404 294 CHINANET-BACKBONE
9498 999 532 64 BHARTI BT INTERNET LTD.
17488 816 53 61 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
23577 791 34 685 Korea Telecom (ATM-MPLS)
7545 733 159 120 TPG Internet Pty Ltd
18101 600 119 50 Reliance Infocom Ltd Internet
4802 576 131 149 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
1221 539 1950 420 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 492 783 119 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
7474 381 218 268 SingTel Optus Pty Ltd
17974 359 130 13 PT TELEKOMUNIKASI INDONESIA
4837 357 5136 169 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1464 6105 983 AT&T WorldNet Services
4323 1356 991 366 Time Warner Telecom
2386 1218 635 730 AT&T Data Communications Serv
11492 1152 113 17 Cable One
6478 1131 328 137 AT&T Worldnet Services
6197 1031 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 967 6779 846 Cogent Communications
7011 941 286 559 Citizens Utilities
1239 884 2720 563 Sprint
701 873 6573 681 UUNET Technologies, Inc.
20115 828 760 439 Charter Communications
19262 781 2766 190 Verizon Global Networks
22773 773 2149 52 Cox Communications, Inc.
209 738 3818 582 Qwest
3356 672 10820 371 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
6517 586 165 36 Yipes Communications, Inc.
15270 580 160 38 PaeTec.net -a division of Pae
852 576 1093 356 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 489 1920 391 UUNET - Commercial IP service
24863 371 58 37 LINKdotNET AS number
9116 350 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
8551 297 284 38 Bezeq International
6746 290 131 266 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 22 Bulgarian Telecommunication C
8708 263 421 242 Romania Data Systems S.A.
3215 262 2472 99 France Telecom Transpac
8220 255 444 238 COLT Telecommunications
3352 226 1882 40 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 217 1442 25 TTnet Autonomous System
3292 197 1380 177 TDC Tele Danmark
3300 197 172 96 AUCS Communications Services
1257 194 1195 171 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1020 2158 215 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 378 114 60 Servicios Alestra S.A de C.V
7303 352 166 50 Telecom Argentina Stet-France
14522 345 29 8 SatNet S.A.
6471 337 75 33 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 287 19 15 Telefonica del Sur S.A.
11664 278 30 13 Keytech SA
10481 261 104 9 Prima S.A.
10620 238 66 24 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 228 178 24 Telefonica Del Peru
6503 203 170 82 AVANTEL, S.A.
23216 196 16 44 RAMtelecom Telecomunicaciones
20299 178 25 30 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 175 12 19 Telconet
28573 174 272 18 NET Servicos de Comunicao S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 276 869 224 The Internet Solution
8452 220 188 7 TEDATA
2018 140 301 115 Tertiary Education Network
6713 138 135 11 Itissalat Al-MAGHRIB
33783 125 8 12 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 76 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
8524 31 2 10 AUCEGYPT Autonomous System
10798 27 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
15804 24 2 1 AS of The Way Out Internet So
21280 24 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1357 1291 Videsh Sanchar Nigam Ltd. Aut
11492 1152 1135 Cable One
18566 1028 1019 Covad Communications
6478 1131 994 AT&T Worldnet Services
4323 1356 990 Time Warner Telecom
9498 999 935 BHARTI BT INTERNET LTD.
8151 1020 805 UniNet S.A. de C.V.
4134 1082 788 CHINANET-BACKBONE
17488 816 755 Hathway IP Over Cable Interne
22773 773 721 Cox Communications, Inc.
9583 1123 708 Sify Limited
5668 656 633 CenturyTel Internet Holdings,
7545 733 613 TPG Internet Pty Ltd
19262 781 591 Verizon Global Networks
18101 600 550 Reliance Infocom Ltd Internet
6517 586 550 Yipes Communications, Inc.
15270 580 542 PaeTec.net -a division of Pae
6197 1031 523 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
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 /8:19 /9:9 /10:16 /11:37 /12:136
/13:265 /14:474 /15:924 /16:9625 /17:4093 /18:6657
/19:14118 /20:16547 /21:15089 /22:19598 /23:20379 /24:122634
/25:764 /26:1036 /27:543 /28:93 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1144 1152 Cable One
6478 1130 1131 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 965 1123 Sify Limited
2386 909 1218 AT&T Data Communications Serv
7011 831 941 Citizens Utilities
7018 813 1464 AT&T WorldNet Services
6197 784 1031 BellSouth Network Solutions,
23577 782 791 Korea Telecom (ATM-MPLS)
4755 758 1357 Videsh Sanchar Nigam Ltd. Aut
9498 679 999 BHARTI BT INTERNET LTD.
17488 639 816 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 583 1356 Time Warner Telecom
19916 563 568 OLM LLC
6517 551 586 Yipes Communications, Inc.
15270 544 580 PaeTec.net -a division of Pae
5668 521 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 503 600 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:82 12:1786 13:1 15:20 16:3
17:3 18:13 20:36 24:974 25:1 32:60
33:3 38:351 40:61 41:320 44:2 47:4
52:4 55:3 56:3 57:23 58:474 59:406
60:370 61:991 62:931 63:2003 64:3232 65:2376
66:3517 67:817 68:675 69:1975 70:456 71:107
72:1436 73:5 74:675 75:260 76:133 77:379
78:193 80:816 81:840 82:570 83:374 84:630
85:820 86:344 87:561 88:287 89:995 90:38
91:586 97:6 98:1 101:1 116:365 117:160
118:19 121:302 122:608 123:183 124:677 125:1008
128:272 129:213 130:137 131:364 132:54 133:9
134:197 135:33 136:188 137:82 138:156 139:74
140:513 141:174 142:398 143:267 144:305 145:47
146:332 147:125 148:422 149:165 150:107 151:157
152:89 153:118 154:11 155:256 156:162 157:218
158:159 159:175 160:135 161:100 162:173 163:182
164:487 165:396 166:287 167:297 168:502 169:123
170:386 171:22 172:2 189:75 190:1167 192:5708
193:3960 194:3195 195:2298 196:966 198:3824 199:3220
200:5314 201:1217 202:7356 203:7879 204:3928 205:1996
206:2428 207:2909 208:2864 209:3476 210:2468 211:1085
212:1301 213:1488 214:422 215:45 216:4057 217:1192
218:320 219:370 220:997 221:413 222:262
End of report