Routing Table Report 00:00 GMT Thu 19 Jul, 2007
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/oix-data/2007/07/19
Analysis Summary
----------------
BGP routing table entries examined: 235474
Prefixes after maximum aggregation: 121041
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 109986
Total ASes present in the Internet Routing Table: 25783
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 22290
Origin ASes announcing only one prefix: 10886
Transit ASes present in the Internet Routing Table: 3493
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 32
Max AS path prepend of ASN (31258) 21
Prefixes from unregistered ASNs in the Routing Table: 42
Unregistered ASNs in the Routing Table: 22
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1739458820
Equivalent to 103 /8s, 174 /16s and 9 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 126322
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54180
Total APNIC prefixes after maximum aggregation: 20905
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 50970
Unique aggregates announced from the APNIC address blocks: 21943
APNIC Region origin ASes present in the Internet Routing Table: 3017
APNIC Prefixes per ASN: 16.89
APNIC Region origin ASes announcing only one prefix: 798
APNIC Region transit ASes present in the Internet Routing Table: 468
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC addresses announced to Internet: 305027260
Equivalent to 18 /8s, 46 /16s and 88 /24s
Percentage of available APNIC address space announced: 75.6
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: 114054
Total ARIN prefixes after maximum aggregation: 63531
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 84825
Unique aggregates announced from the ARIN address blocks: 31295
ARIN Region origin ASes present in the Internet Routing Table: 11698
ARIN Prefixes per ASN: 7.25
ARIN Region origin ASes announcing only one prefix: 4493
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 339386144
Equivalent to 20 /8s, 58 /16s and 159 /24s
Percentage of available ARIN address space announced: 74.9
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: 48921
Total RIPE prefixes after maximum aggregation: 31235
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45356
Unique aggregates announced from the RIPE address blocks: 29048
RIPE Region origin ASes present in the Internet Routing Table: 9962
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5264
RIPE Region transit ASes present in the Internet Routing Table: 1636
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 323200384
Equivalent to 19 /8s, 67 /16s and 165 /24s
Percentage of available RIPE address space announced: 80.3
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, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15592
Total LACNIC prefixes after maximum aggregation: 4295
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13631
Unique aggregates announced from the LACNIC address blocks: 7700
LACNIC Region origin ASes present in the Internet Routing Table: 829
LACNIC Prefixes per ASN: 16.44
LACNIC Region origin ASes announcing only one prefix: 270
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 40668416
Equivalent to 2 /8s, 108 /16s and 141 /24s
Percentage of available LACNIC address space announced: 60.6
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: 2686
Total AfriNIC prefixes after maximum aggregation: 1065
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 2180
Unique aggregates announced from the AfriNIC address blocks: 1277
AfriNIC Region origin ASes present in the Internet Routing Table: 199
AfriNIC Prefixes per ASN: 10.95
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6317568
Equivalent to 0 /8s, 96 /16s and 102 /24s
Percentage of available AfriNIC address space announced: 18.8
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 1361 10842 287 CHINANET-BACKBONE
4755 1278 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1115 80 397 Sify Limited
9498 973 533 70 BHARTI BT INTERNET LTD.
23577 937 34 801 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 725 63 55 Hathway IP Over Cable Interne
7545 694 150 113 TPG Internet Pty Ltd
1221 591 1951 434 Telstra Pty Ltd
18101 573 117 41 Reliance Infocom Ltd Internet
4812 537 913 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 487 218 271 SingTel Optus Pty Ltd
9443 473 122 78 Primus Telecommunications
9942 440 77 113 COMindico Australia
4802 412 105 150 Wantree Development
17974 372 130 13 PT TELEKOMUNIKASI INDONESIA
9829 363 258 15 BSNL National Internet Backbo
4808 358 666 119 CNCGROUP IP network: China169
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1021 939 669 Telenor Internet Access
702 500 1905 401 UUNET - Commercial IP service
5089 373 1658 53 NTL Group Limited
24863 358 56 40 LINKdotNET AS number
8551 322 312 50 Bezeq International
9116 316 168 25 Goldenlines main autonomous s
3301 312 1456 292 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
6746 281 129 257 Dynamic Network Technologies,
680 265 2045 256 DFN-IP service G-WiN
8220 258 444 242 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 250 420 239 Romania Data Systems S.A.
3269 222 2775 74 TELECOM ITALIA
3352 219 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 208 1195 173 SWIPnet Swedish IP Network
3300 195 172 94 AUCS Communications Services
3292 194 1379 174 TDC Tele Danmark
2856 192 2318 152 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4842 6562 716 UUNET Technologies, Inc.
7018 1465 6050 988 AT&T WorldNet Services
4323 1312 1005 368 Time Warner Telecom
2386 1213 633 756 AT&T Data Communications Serv
6478 1110 315 167 AT&T Worldnet Services
11492 1101 107 27 Cable One
6197 1026 717 508 BellSouth Network Solutions,
18566 1014 288 9 Covad Communications
174 965 6776 853 Cogent Communications
7011 878 254 539 Citizens Utilities
1239 801 2717 576 Sprint
705 799 474 363 UUNET Technologies, Inc.
20115 798 734 433 Charter Communications
7046 770 246 632 UUNET Technologies, Inc.
19262 759 2739 184 Verizon Global Networks
22773 741 1893 50 Cox Communications, Inc.
209 740 3862 576 Qwest
577 665 810 205 Bell Advanced Communications
5668 618 169 21 CenturyTel Internet Holdings,
7029 613 488 79 Alltel Information Services,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1278 1208 Videsh Sanchar Nigam Ltd. Aut
4134 1361 1074 CHINANET-BACKBONE
11492 1101 1074 Cable One
18566 1014 1005 Covad Communications
4323 1312 944 Time Warner Telecom
6478 1110 943 AT&T Worldnet Services
9498 973 903 BHARTI BT INTERNET LTD.
9583 1115 718 Sify Limited
22773 741 691 Cox Communications, Inc.
17488 725 670 Hathway IP Over Cable Interne
8151 855 649 UniNet S.A. de C.V.
5668 618 597 CenturyTel Internet Holdings,
7545 694 581 TPG Internet Pty Ltd
19262 759 575 Verizon Global Networks
7029 613 534 Alltel Information Services,
18101 573 532 Reliance Infocom Ltd Internet
6517 567 531 Yipes Communications, Inc.
15270 556 519 PaeTec.net -a division of Pae
6197 1026 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
37956 UNALLOCATED 221.123.16.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.17.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.18.0/24 38440 Mobileclusters Ltd
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.0.2.0/24 2854 RoSprint AS (Global One Russi
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 /12:132
/13:261 /14:470 /15:912 /16:9602 /17:4093 /18:6617
/19:13870 /20:16353 /21:14697 /22:19352 /23:20578 /24:124655
/25:1035 /26:1333 /27:576 /28:256 /29:193 /30:306
/31:8 /32:97
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3621 4842 UUNET Technologies, Inc.
6478 1109 1110 AT&T Worldnet Services
11492 1092 1101 Cable One
18566 996 1014 Covad Communications
9583 958 1115 Sify Limited
23577 928 937 Korea Telecom (ATM-MPLS)
2119 916 1021 Telenor Internet Access
2386 904 1213 AT&T Data Communications Serv
7018 795 1465 AT&T WorldNet Services
6197 780 1026 BellSouth Network Solutions,
7011 777 878 Citizens Utilities
4755 673 1278 Videsh Sanchar Nigam Ltd. Aut
9498 647 973 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 553 1312 Time Warner Telecom
17488 547 725 Hathway IP Over Cable Interne
6517 533 567 Yipes Communications, Inc.
7046 528 770 UUNET Technologies, Inc.
705 527 799 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1824 15:19
16:3 17:3 18:11 20:37 24:940 25:1
32:167 33:3 38:333 40:60 41:216 43:6
44:2 47:4 52:4 55:3 56:3 57:50
58:478 59:385 60:339 61:1008 62:931 63:3350
64:3252 65:3701 66:3390 67:761 68:628 69:1910
70:441 71:107 72:1350 73:2 74:574 75:257
76:81 77:284 78:19 80:839 81:821 82:719
83:387 84:551 85:869 86:342 87:449 88:288
89:922 90:7 91:426 97:6 98:4 116:246
117:61 121:239 122:576 123:129 124:877 125:948
128:289 129:224 130:140 131:363 132:54 133:9
134:193 135:38 136:186 137:86 138:156 139:123
140:494 141:173 142:397 143:235 144:296 145:45
146:324 147:122 148:402 149:145 150:113 151:161
152:92 153:126 154:3 155:256 156:154 157:214
158:158 159:164 160:103 161:96 162:221 163:181
164:472 165:410 166:294 167:290 168:511 169:120
170:413 171:23 172:1 189:64 190:754 192:5799
193:3933 194:3191 195:2311 196:1009 198:3915 199:3355
200:4938 201:1111 202:7409 203:7618 204:4105 205:2123
206:2620 207:3070 208:3348 209:3620 210:2440 211:1006
212:1328 213:1532 214:412 215:41 216:4163 217:1163
218:383 219:392 220:1014 221:416 222:266
End of report