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Routing Table Report 00:00 GMT Fri 04 May, 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/2007/05/04/1100
Analysis Summary ----------------
BGP routing table entries examined: 229726 Prefixes after maximum aggregation: 119346 Deaggregation factor: 1.92 Unique aggregates announced to Internet: 106630 Total ASes present in the Internet Routing Table: 25181 Prefixes per ASN: 9.12 Origin-only ASes present in the Internet Routing Table: 21864 Origin ASes announcing only one prefix: 10585 Transit ASes present in the Internet Routing Table: 3317 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 22 Max AS path prepend of ASN (17697) 13 Prefixes from unregistered ASNs in the Routing Table: 49 Unregistered ASNs in the Routing Table: 32 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1715533292 Equivalent to 102 /8s, 64 /16s and 245 /24s Percentage of available address space announced: 46.3 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 122842
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 51780 Total APNIC prefixes after maximum aggregation: 20474 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 48642 Unique aggregates announced from the APNIC address blocks: 21220 APNIC Region origin ASes present in the Internet Routing Table: 2946 APNIC Prefixes per ASN: 16.51 APNIC Region origin ASes announcing only one prefix: 784 APNIC Region transit ASes present in the Internet Routing Table: 453 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 292735852 Equivalent to 17 /8s, 114 /16s and 203 /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: 113224 Total ARIN prefixes after maximum aggregation: 63331 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84346 Unique aggregates announced from the ARIN address blocks: 30466 ARIN Region origin ASes present in the Internet Routing Table: 11577 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 4454 ARIN Region transit ASes present in the Internet Routing Table: 1090 Average ARIN Region AS path length visible: 3.2 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 331248608 Equivalent to 19 /8s, 190 /16s and 115 /24s Percentage of available ARIN address space announced: 73.1
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: 47085 Total RIPE prefixes after maximum aggregation: 30357 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 43752 Unique aggregates announced from the RIPE address blocks: 28010 RIPE Region origin ASes present in the Internet Routing Table: 9606 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 5039 RIPE Region transit ASes present in the Internet Routing Table: 1557 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 304915520 Equivalent to 18 /8s, 44 /16s and 164 /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: 14937 Total LACNIC prefixes after maximum aggregation: 4149 LACNIC Deaggregation factor: 3.60 Prefixes being announced from the LACNIC address blocks: 13019 Unique aggregates announced from the LACNIC address blocks: 7134 LACNIC Region origin ASes present in the Internet Routing Table: 786 LACNIC Prefixes per ASN: 16.56 LACNIC Region origin ASes announcing only one prefix: 252 LACNIC Region transit ASes present in the Internet Routing Table: 142 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 38419712 Equivalent to 2 /8s, 74 /16s and 61 /24s Percentage of available LACNIC address space announced: 57.2
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: 2649 Total AfriNIC prefixes after maximum aggregation: 1027 AfriNIC Deaggregation factor: 2.58 Prefixes being announced from the AfriNIC address blocks: 1995 Unique aggregates announced from the AfriNIC address blocks: 1166 AfriNIC Region origin ASes present in the Internet Routing Table: 185 AfriNIC Prefixes per ASN: 10.78 AfriNIC Region origin ASes announcing only one prefix: 56 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6055424 Equivalent to 0 /8s, 92 /16s and 102 /24s Percentage of available AfriNIC address space announced: 18.0
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 1281 9587 275 CHINANET-BACKBONE 4755 1205 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1110 79 386 Sify Limited 9498 975 469 73 BHARTI BT INTERNET LTD. 23577 926 35 822 Korea Telecom (ATM-MPLS) 4766 784 4943 312 Korea Telecom (KIX) 17488 672 44 34 Hathway IP Over Cable Interne 7545 627 142 80 TPG Internet Pty Ltd 1221 582 1954 433 Telstra Pty Ltd 18101 534 116 28 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 482 217 269 SingTel Optus Pty Ltd 4812 466 799 75 China Telecom (Shanghai) 9443 454 115 75 Primus Telecommunications 9942 444 77 117 COMindico Australia 9829 363 274 19 BSNL National Internet Backbo 4802 359 86 146 Wantree Development 17557 359 35 170 Pakistan Telecom 4837 346 4725 160 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 911 913 651 Telenor Internet Access 702 519 1925 413 UUNET - Commercial IP service 24863 343 47 29 LINKdotNET AS number 3352 340 1799 33 Ibernet, Internet Access Netw 3301 310 1455 290 TeliaNet Sweden 3320 304 4994 251 Deutsche Telekom AG 5089 288 1657 52 NTL Group Limited 6746 275 128 252 Dynamic Network Technologies, 8220 260 461 251 COLT Telecommunications 680 257 2044 250 DFN-IP service G-WiN 3215 240 2256 92 France Telecom Transpac 8708 236 287 229 Romania Data Systems S.A. 1257 235 1180 168 SWIPnet Swedish IP Network 3269 215 2583 73 TELECOM ITALIA 3246 212 341 198 Song Networks 8551 208 197 27 Bezeq International 30890 205 17 95 SC Kappa Invexim SRL 20858 196 34 4 EgyNet 3300 192 171 92 AUCS Communications Services 9116 189 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4967 6661 724 UUNET Technologies, Inc. 7018 1510 10222 993 AT&T WorldNet Services 4323 1263 1023 361 Time Warner Telecom 2386 1138 580 756 AT&T Data Communications Serv 6478 1090 337 132 AT&T Worldnet Services 11492 1049 103 20 Cable One 6197 1032 688 504 BellSouth Network Solutions, 18566 1001 288 9 Covad Communications 174 949 6727 863 Cogent Communications 705 921 513 438 UUNET Technologies, Inc. 20115 823 738 430 Charter Communications 1239 812 2701 569 Sprint 7011 789 226 470 Citizens Utilities 7046 783 262 646 UUNET Technologies, Inc. 19262 766 2580 206 Verizon Global Networks 209 729 3718 582 Qwest 22773 707 1872 40 Cox Communications, Inc. 577 643 777 204 Bell Advanced Communications 852 606 1080 372 Telus Advanced Communications 721 600 21739 270 DLA Systems Automation Center
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1205 1134 Videsh Sanchar Nigam Ltd. Aut 11492 1049 1029 Cable One 4134 1281 1006 CHINANET-BACKBONE 18566 1001 992 Covad Communications 6478 1090 958 AT&T Worldnet Services 8151 1154 954 UniNet S.A. de C.V. 4323 1263 902 Time Warner Telecom 9498 975 902 BHARTI BT INTERNET LTD. 9583 1110 724 Sify Limited 22773 707 667 Cox Communications, Inc. 17488 672 638 Hathway IP Over Cable Interne 5668 597 580 CenturyTel Internet Holdings, 19262 766 560 Verizon Global Networks 7545 627 547 TPG Internet Pty Ltd 6197 1032 528 BellSouth Network Solutions, 7018 1510 517 AT&T WorldNet Services 19916 568 517 OLM LLC 18101 534 506 Reliance Infocom Ltd Internet 4668 507 497 LG-EDS Systems Inc. 855 562 496 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65534 PRIVATE 10.11.12.0/24 10886 University of Maryla 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 65500 PRIVATE 66.225.141.0/24 16796 RealtyIQ.com 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65027 PRIVATE 135.196.97.168/29 8190 VIATEL 65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet 65500 PRIVATE 192.239.84.0/24 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 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 65534 PRIVATE 203.222.150.0/24 4817 Techex Primary Netbl 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net 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
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.11.12.0/24 65534 * 192.0.2.0/24 2854 RoSprint AS (Global One Russi
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 /12:125 /13:250 /14:452 /15:870 /16:9413 /17:3908 /18:6484 /19:13596 /20:15566 /21:14102 /22:18499 /23:19982 /24:122680 /25:1007 /26:1116 /27:573 /28:255 /29:200 /30:464 /31:0 /32:109
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3730 4967 UUNET Technologies, Inc. 6478 1081 1090 AT&T Worldnet Services 11492 1035 1049 Cable One 18566 983 1001 Covad Communications 9583 948 1110 Sify Limited 23577 912 926 Korea Telecom (ATM-MPLS) 2386 832 1138 AT&T Data Communications Serv 7018 813 1510 AT&T WorldNet Services 2119 810 911 Telenor Internet Access 6197 793 1032 BellSouth Network Solutions, 7011 692 789 Citizens Utilities 9498 639 975 BHARTI BT INTERNET LTD. 4755 599 1205 Videsh Sanchar Nigam Ltd. Aut 705 592 921 UUNET Technologies, Inc. 4766 590 784 Korea Telecom (KIX) 19916 563 568 OLM LLC 8151 554 1154 UniNet S.A. de C.V. 7046 535 783 UUNET Technologies, Inc. 4323 521 1263 Time Warner Telecom 4668 496 507 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 7:1 8:79 9:3 10:1 12:1824 15:19 16:3 17:3 18:8 20:37 24:928 25:1 32:174 38:301 40:57 41:126 43:6 44:2 47:4 52:4 55:2 56:3 57:53 58:397 59:371 60:275 61:942 62:996 63:3383 64:3191 65:3711 66:3365 67:818 68:638 69:1843 70:503 71:104 72:1314 73:1 74:440 75:259 76:45 77:176 80:927 81:864 82:715 83:404 84:438 85:797 86:357 87:457 88:263 89:852 90:24 91:274 97:6 116:54 121:179 122:520 123:96 124:797 125:926 128:278 129:220 130:123 131:349 132:52 133:11 134:193 135:39 136:183 137:83 138:197 139:117 140:478 141:164 142:395 143:236 144:290 145:43 146:323 147:148 148:398 149:145 150:116 151:158 152:94 153:120 154:5 155:252 156:155 157:184 158:160 159:156 160:105 161:92 162:235 163:176 164:461 165:405 166:234 167:279 168:493 169:120 170:398 171:16 172:1 189:394 190:600 192:5836 193:3827 194:3138 195:2286 196:977 198:3873 199:3385 200:4743 201:979 202:7328 203:7523 204:4092 205:2215 206:2572 207:3137 208:3320 209:3733 210:2492 211:983 212:1361 213:1506 214:397 215:41 216:4172 217:1141 218:375 219:360 220:958 221:416 222:269
End of report
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