Routing Table Report 04:00 +10GMT Tue 08 May, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/08/0400
Analysis Summary
----------------
BGP routing table entries examined: 219636
Prefixes after maximum aggregation: 117009
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 106704
Total ASes present in the Internet Routing Table: 25099
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 21866
Origin ASes announcing only one prefix: 10572
Transit ASes present in the Internet Routing Table: 3233
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: 25
Max AS path prepend of ASN (15941) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Unregistered ASNs in the Routing Table: 6
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: 12
Number of addresses announced to Internet: 1716283072
Equivalent to 102 /8s, 76 /16s and 102 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 114890
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50589
Total APNIC prefixes after maximum aggregation: 20212
APNIC Deaggregation factor: 2.50
Prefixes being announced from the APNIC address blocks: 47580
Unique aggregates announced from the APNIC address blocks: 21239
APNIC Region origin ASes present in the Internet Routing Table: 2937
APNIC Prefixes per ASN: 16.20
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 435
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 292728256
Equivalent to 17 /8s, 114 /16s and 173 /24s
Percentage of available APNIC address space announced: 72.5
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: 106148
Total ARIN prefixes after maximum aggregation: 62017
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78147
Unique aggregates announced from the ARIN address blocks: 30478
ARIN Region origin ASes present in the Internet Routing Table: 11537
ARIN Prefixes per ASN: 6.77
ARIN Region origin ASes announcing only one prefix: 4418
ARIN Region transit ASes present in the Internet Routing Table: 1058
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 332048768
Equivalent to 19 /8s, 202 /16s and 169 /24s
Percentage of available ARIN address space announced: 73.3
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: 45360
Total RIPE prefixes after maximum aggregation: 29650
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 41911
Unique aggregates announced from the RIPE address blocks: 28035
RIPE Region origin ASes present in the Internet Routing Table: 9572
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5054
RIPE Region transit ASes present in the Internet Routing Table: 1532
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 304802688
Equivalent to 18 /8s, 42 /16s and 235 /24s
Percentage of available RIPE address space announced: 75.7
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: 14946
Total LACNIC prefixes after maximum aggregation: 4111
LACNIC Deaggregation factor: 3.64
Prefixes being announced from the LACNIC address blocks: 13038
Unique aggregates announced from the LACNIC address blocks: 7171
LACNIC Region origin ASes present in the Internet Routing Table: 788
LACNIC Prefixes per ASN: 16.55
LACNIC Region origin ASes announcing only one prefix: 255
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 38483200
Equivalent to 2 /8s, 75 /16s and 53 /24s
Percentage of available LACNIC address space announced: 57.3
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: 2584
Total AfriNIC prefixes after maximum aggregation: 1009
AfriNIC Deaggregation factor: 2.56
Prefixes being announced from the AfriNIC address blocks: 1951
Unique aggregates announced from the AfriNIC address blocks: 1188
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.32
AfriNIC Region origin ASes announcing only one prefix: 57
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6067968
Equivalent to 0 /8s, 92 /16s and 151 /24s
Percentage of available AfriNIC address space announced: 18.1
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 1282 9603 274 CHINANET-BACKBONE
4755 1206 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1108 79 381 Sify Limited
9498 974 469 72 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 777 35 706 Korea Telecom (ATM-MPLS)
17488 672 44 34 Hathway IP Over Cable Interne
7545 627 142 80 TPG Internet Pty Ltd
1221 542 1954 423 Telstra Pty Ltd
18101 534 116 27 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 466 799 75 China Telecom (Shanghai)
9443 453 115 74 Primus Telecommunications
7474 411 217 268 SingTel Optus Pty Ltd
17557 360 37 171 Pakistan Telecom
4802 359 86 148 Wantree Development
4837 346 4725 160 chinanet IDC center beijing n
17974 339 129 12 PT TELEKOMUNIKASI INDONESIA
2907 331 1700 302 SINET Japan
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1496 6152 995 AT&T WorldNet Services
4323 1264 1027 361 Time Warner Telecom
2386 1133 580 754 AT&T Data Communications Serv
6478 1094 338 131 AT&T Worldnet Services
11492 1049 103 20 Cable One
6197 1034 688 503 BellSouth Network Solutions,
18566 1002 288 9 Covad Communications
174 965 6791 873 Cogent Communications
701 962 6661 734 UUNET Technologies, Inc.
20115 822 738 429 Charter Communications
1239 819 2717 580 Sprint
7011 790 226 471 Citizens Utilities
19262 771 2604 207 Verizon Global Networks
209 728 3846 582 Qwest
22773 709 1872 42 Cox Communications, Inc.
721 600 21755 271 DLA Systems Automation Center
5668 600 160 17 CenturyTel Internet Holdings,
852 589 1096 371 Telus Advanced Communications
7029 581 456 79 Alltel Information Services,
855 568 253 71 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 522 1941 416 UUNET - Commercial IP service
24863 344 47 30 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 275 128 252 Dynamic Network Technologies,
8220 259 461 250 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 238 2254 95 France Telecom Transpac
8708 233 287 226 Romania Data Systems S.A.
3269 214 2583 73 TELECOM ITALIA
3246 208 340 198 Song Networks
8551 206 196 30 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
3352 199 1783 37 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
9116 192 136 25 Goldenlines main autonomous s
1257 190 1180 168 SWIPnet Swedish IP Network
12479 185 578 6 Uni2 Autonomous System
3300 184 171 89 AUCS Communications Services
786 177 1795 177 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1177 1869 211 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 365 116 63 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 310 238 12 VTR PUNTO NET S.A.
7303 278 143 30 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 242 17 14 Telefonica del Sur S.A.
11556 235 128 3 Cable-Wireless Panama
6147 221 166 25 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 191 23 13 NEWCOM AMERICAS
10620 185 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
14522 155 25 7 SatNet S.A.
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 151 93 41 E.T.B.
19169 143 9 26 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 291 868 232 The Internet Solution
8452 230 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 117 8 10 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 76 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33776 31 2 6 Starcomms Nigeria Limited
8524 30 2 6 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
33766 28 2 1 Nyala Communications Pty Ltd
12455 25 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1206 1134 Videsh Sanchar Nigam Ltd. Aut
11492 1049 1029 Cable One
4134 1282 1008 CHINANET-BACKBONE
18566 1002 993 Covad Communications
8151 1177 966 UniNet S.A. de C.V.
6478 1094 963 AT&T Worldnet Services
4323 1264 903 Time Warner Telecom
9498 974 902 BHARTI BT INTERNET LTD.
9583 1108 727 Sify Limited
22773 709 667 Cox Communications, Inc.
17488 672 638 Hathway IP Over Cable Interne
5668 600 583 CenturyTel Internet Holdings,
19262 771 564 Verizon Global Networks
7545 627 547 TPG Internet Pty Ltd
6197 1034 531 BellSouth Network Solutions,
19916 568 517 OLM LLC
18101 534 507 Reliance Infocom Ltd Internet
7029 581 502 Alltel Information Services,
855 568 497 Canadian Research Network
4668 507 497 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi
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 /8:19 /9:9 /10:13 /11:34 /12:123
/13:237 /14:450 /15:863 /16:9376 /17:3837 /18:6371
/19:13455 /20:15296 /21:13832 /22:17924 /23:19201 /24:116490
/25:756 /26:819 /27:488 /28:28 /29:6 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1085 1094 AT&T Worldnet Services
11492 1035 1049 Cable One
18566 984 1002 Covad Communications
9583 946 1108 Sify Limited
2386 830 1133 AT&T Data Communications Serv
7018 806 1496 AT&T WorldNet Services
6197 795 1034 BellSouth Network Solutions,
23577 763 777 Korea Telecom (ATM-MPLS)
7011 693 790 Citizens Utilities
9498 638 974 BHARTI BT INTERNET LTD.
4755 601 1206 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
8151 554 1177 UniNet S.A. de C.V.
4323 523 1264 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
15270 496 529 PaeTec.net -a division of Pae
17488 493 672 Hathway IP Over Cable Interne
855 466 568 Canadian Research Network
5668 465 600 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:10 7:1 8:73 9:1 12:1802
13:1 15:19 16:3 17:3 18:8 20:37
24:927 25:1 32:53 38:307 40:60 41:128
44:2 47:4 52:4 55:2 56:3 57:25
58:392 59:340 60:272 61:930 62:969 63:1971
64:3064 65:2364 66:3254 67:805 68:637 69:1828
70:498 71:104 72:1307 73:1 74:413 75:259
76:46 77:145 80:851 81:805 82:597 83:377
84:434 85:762 86:360 87:470 88:266 89:866
90:6 91:282 97:6 116:56 121:178 122:520
123:93 124:798 125:926 128:281 129:219 130:123
131:349 132:52 133:11 134:191 135:39 136:183
137:78 138:197 139:65 140:477 141:164 142:371
143:239 144:292 145:43 146:322 147:116 148:399
149:143 150:116 151:159 152:92 153:120 154:4
155:252 156:153 157:185 158:161 159:157 160:105
161:89 162:234 163:177 164:452 165:401 166:234
167:279 168:492 169:122 170:400 171:16 172:1
189:396 190:600 192:5761 193:3806 194:3100 195:2214
196:948 198:3750 199:3302 200:4766 201:974 202:7255
203:7469 204:3953 205:2105 206:2359 207:2877 208:2659
209:3588 210:2480 211:937 212:1315 213:1457 214:405
215:40 216:4008 217:1142 218:356 219:356 220:953
221:408 222:269
End of report