Routing Table Report 04:00 +10GMT Thu 16 Aug, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/16/0400
Analysis Summary
----------------
BGP routing table entries examined: 228991
Prefixes after maximum aggregation: 119887
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 111077
Total ASes present in the Internet Routing Table: 25963
Prefixes per ASN: 8.82
Origin-only ASes present in the Internet Routing Table: 22602
Origin ASes announcing only one prefix: 11034
Transit ASes present in the Internet Routing Table: 3361
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 5
Unregistered ASNs in the Routing Table: 2
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1751678944
Equivalent to 104 /8s, 104 /16s and 127 /24s
Percentage of available address space announced: 47.3
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 121264
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53474
Total APNIC prefixes after maximum aggregation: 20794
APNIC Deaggregation factor: 2.57
Prefixes being announced from the APNIC address blocks: 50419
Unique aggregates announced from the APNIC address blocks: 22184
APNIC Region origin ASes present in the Internet Routing Table: 3037
APNIC Prefixes per ASN: 16.60
APNIC Region origin ASes announcing only one prefix: 820
APNIC Region transit ASes present in the Internet Routing Table: 466
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 311625376
Equivalent to 18 /8s, 147 /16s and 6 /24s
Percentage of available APNIC address space announced: 77.2
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: 108454
Total ARIN prefixes after maximum aggregation: 62667
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 79904
Unique aggregates announced from the ARIN address blocks: 31833
ARIN Region origin ASes present in the Internet Routing Table: 11749
ARIN Prefixes per ASN: 6.80
ARIN Region origin ASes announcing only one prefix: 4520
ARIN Region transit ASes present in the Internet Routing Table: 1076
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 342235392
Equivalent to 20 /8s, 102 /16s and 25 /24s
Percentage of available ARIN address space announced: 75.6
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
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: 48112
Total RIPE prefixes after maximum aggregation: 31022
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44498
Unique aggregates announced from the RIPE address blocks: 29228
RIPE Region origin ASes present in the Internet Routing Table: 10051
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5352
RIPE Region transit ASes present in the Internet Routing Table: 1613
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 323905408
Equivalent to 19 /8s, 78 /16s and 103 /24s
Percentage of available RIPE address space announced: 74.3
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16222
Total LACNIC prefixes after maximum aggregation: 4371
LACNIC Deaggregation factor: 3.71
Prefixes being announced from the LACNIC address blocks: 14314
Unique aggregates announced from the LACNIC address blocks: 7727
LACNIC Region origin ASes present in the Internet Routing Table: 845
LACNIC Prefixes per ASN: 16.94
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41888768
Equivalent to 2 /8s, 127 /16s and 44 /24s
Percentage of available LACNIC address space announced: 62.4
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: 2719
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 2275
Unique aggregates announced from the AfriNIC address blocks: 1329
AfriNIC Region origin ASes present in the Internet Routing Table: 204
AfriNIC Prefixes per ASN: 11.15
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7508736
Equivalent to 0 /8s, 114 /16s and 147 /24s
Percentage of available AfriNIC address space announced: 22.4
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
4134 1332 11142 288 CHINANET-BACKBONE
4755 1321 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1124 80 403 Sify Limited
9498 994 532 69 BHARTI BT INTERNET LTD.
4766 797 5440 315 Korea Telecom (KIX)
23577 788 34 684 Korea Telecom (ATM-MPLS)
17488 755 49 56 Hathway IP Over Cable Interne
7545 647 147 102 TPG Internet Pty Ltd
18101 587 118 45 Reliance Infocom Ltd Internet
1221 546 1951 427 Telstra Pty Ltd
4812 542 979 98 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 476 768 107 CNCGROUP IP network: China169
9443 473 122 77 Primus Telecommunications
4802 427 112 153 Wantree Development
7474 396 217 270 SingTel Optus Pty Ltd
9829 363 258 14 BSNL National Internet Backbo
17974 357 129 12 PT TELEKOMUNIKASI INDONESIA
4837 354 4944 165 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1467 6076 985 AT&T WorldNet Services
4323 1334 1007 373 Time Warner Telecom
2386 1206 615 743 AT&T Data Communications Serv
11492 1123 109 32 Cable One
6478 1115 322 140 AT&T Worldnet Services
6197 1030 718 510 BellSouth Network Solutions,
18566 1019 288 9 Covad Communications
174 968 6778 858 Cogent Communications
701 942 6562 720 UUNET Technologies, Inc.
7011 907 259 545 Citizens Utilities
20115 804 741 429 Charter Communications
1239 800 2723 567 Sprint
19262 763 2721 182 Verizon Global Networks
22773 753 2148 49 Cox Communications, Inc.
209 733 3853 581 Qwest
5668 628 171 24 CenturyTel Internet Holdings,
6517 584 161 37 Yipes Communications, Inc.
852 575 1093 366 Telus Advanced Communications
855 575 254 73 Canadian Research Network
6198 569 613 259 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 506 918 378 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 362 57 41 LINKdotNET AS number
9116 342 168 26 Goldenlines main autonomous s
3320 327 6036 274 Deutsche Telekom AG
3301 313 1456 293 TeliaNet Sweden
6746 287 130 263 Dynamic Network Technologies,
5089 269 1658 54 NTL Group Limited
680 266 2061 257 DFN-IP service G-WiN
8220 261 446 244 COLT Telecommunications
8708 259 420 240 Romania Data Systems S.A.
3215 256 2392 97 France Telecom Transpac
8551 232 228 27 Bezeq International
3352 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
3292 195 1379 175 TDC Tele Danmark
1257 194 1195 172 SWIPnet Swedish IP Network
12479 193 578 6 Uni2 Autonomous System
3300 192 172 93 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 915 1958 205 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 375 115 61 Servicios Alestra S.A de C.V
7303 335 174 41 Telecom Argentina Stet-France
14522 334 28 7 SatNet S.A.
22047 318 246 13 VTR PUNTO NET S.A.
6471 317 75 32 ENTEL CHILE S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
11556 235 128 3 Cable-Wireless Panama
6147 226 176 27 Telefonica Del Peru
10620 218 61 20 TVCABLE BOGOTA
6503 201 171 83 AVANTEL, S.A.
23216 195 16 43 RAMtelecom Telecomunicaciones
8163 177 11 6 METROTEL REDES S.A.
19169 169 12 18 Telconet
21826 162 28 61 INTERCABLE
20299 161 24 20 NEWCOM AMERICAS
7910 159 11 28 ANDINET ON LINE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 282 867 223 The Internet Solution
8452 228 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 8 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 79 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
16637 46 21 29 Johnnic e-Ventures
33774 46 29 24 AS Number for Telecom Algeria
12455 32 6 3 Jambonet Autonomous system
8524 31 2 10 AUCEGYPT Autonomous System
21280 30 4 4 Swift Global Kenya Ltd.Is an
10798 26 16 1 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1321 1250 Videsh Sanchar Nigam Ltd. Aut
11492 1123 1091 Cable One
4134 1332 1044 CHINANET-BACKBONE
18566 1019 1010 Covad Communications
6478 1115 975 AT&T Worldnet Services
4323 1334 961 Time Warner Telecom
9498 994 925 BHARTI BT INTERNET LTD.
9583 1124 721 Sify Limited
8151 915 710 UniNet S.A. de C.V.
22773 753 704 Cox Communications, Inc.
17488 755 699 Hathway IP Over Cable Interne
5668 628 604 CenturyTel Internet Holdings,
19262 763 581 Verizon Global Networks
6517 584 547 Yipes Communications, Inc.
7545 647 545 TPG Internet Pty Ltd
18101 587 542 Reliance Infocom Ltd Internet
15270 568 530 PaeTec.net -a division of Pae
6197 1030 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
855 575 502 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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 /12:134
/13:257 /14:471 /15:914 /16:9586 /17:4051 /18:6549
/19:13868 /20:16152 /21:14761 /22:19079 /23:20014 /24:120675
/25:777 /26:1028 /27:501 /28:83 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1115 1123 Cable One
6478 1114 1115 AT&T Worldnet Services
18566 1001 1019 Covad Communications
9583 966 1124 Sify Limited
2386 900 1206 AT&T Data Communications Serv
7011 805 907 Citizens Utilities
7018 804 1467 AT&T WorldNet Services
6197 783 1030 BellSouth Network Solutions,
23577 779 788 Korea Telecom (ATM-MPLS)
4755 709 1321 Videsh Sanchar Nigam Ltd. Aut
9498 663 994 BHARTI BT INTERNET LTD.
4766 594 797 Korea Telecom (KIX)
17488 578 755 Hathway IP Over Cable Interne
4323 563 1334 Time Warner Telecom
19916 563 568 OLM LLC
6517 549 584 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
18101 497 587 Reliance Infocom Ltd Internet
5668 493 628 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:86 12:1790 13:1 15:19
16:3 17:3 18:12 20:37 24:948 25:1
32:57 33:3 38:344 40:60 41:305 44:2
47:4 52:4 55:3 56:3 57:25 58:468
59:386 60:352 61:993 62:928 63:1997 64:3262
65:2391 66:3429 67:760 68:646 69:1941 70:444
71:103 72:1502 73:2 74:619 75:256 76:123
77:277 78:34 80:833 81:830 82:655 83:380
84:594 85:852 86:335 87:479 88:285 89:961
90:22 91:480 97:6 116:277 117:125 121:260
122:594 123:151 124:842 125:979 128:291 129:210
130:140 131:362 132:55 133:9 134:199 135:34
136:188 137:79 138:148 139:71 140:488 141:172
142:379 143:256 144:296 145:46 146:325 147:120
148:410 149:142 150:111 151:159 152:88 153:122
154:3 155:261 156:156 157:210 158:158 159:176
160:108 161:94 162:186 163:179 164:474 165:389
166:270 167:295 168:507 169:121 170:394 171:22
172:2 189:69 190:968 192:5746 193:3967 194:3181
195:2273 196:1007 198:3819 199:3263 200:5101 201:1153
202:7394 203:7608 204:3938 205:1982 206:2413 207:2817
208:2770 209:3500 210:2438 211:985 212:1337 213:1455
214:415 215:41 216:3970 217:1165 218:351 219:382
220:1010 221:415 222:265
End of report