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Routing Table Report 00:00 GMT Wed 04 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/2007/07/04
Analysis Summary ----------------
BGP routing table entries examined: 234084 Prefixes after maximum aggregation: 120034 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 109270 Total ASes present in the Internet Routing Table: 25646 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 22209 Origin ASes announcing only one prefix: 10798 Transit ASes present in the Internet Routing Table: 3437 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN (18747) 22 Prefixes from unregistered ASNs in the Routing Table: 46 Unregistered ASNs in the Routing Table: 25 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1732793028 Equivalent to 103 /8s, 72 /16s and 82 /24s Percentage of available address space announced: 46.8 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 125197
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 53830 Total APNIC prefixes after maximum aggregation: 20782 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 50601 Unique aggregates announced from the APNIC address blocks: 21767 APNIC Region origin ASes present in the Internet Routing Table: 3006 APNIC Prefixes per ASN: 16.83 APNIC Region origin ASes announcing only one prefix: 798 APNIC Region transit ASes present in the Internet Routing Table: 470 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 301747132 Equivalent to 17 /8s, 252 /16s and 75 /24s Percentage of available APNIC address space announced: 74.7
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: 113870 Total ARIN prefixes after maximum aggregation: 63394 ARIN Deaggregation factor: 1.80 Prefixes being announced from the ARIN address blocks: 84650 Unique aggregates announced from the ARIN address blocks: 31074 ARIN Region origin ASes present in the Internet Routing Table: 11673 ARIN Prefixes per ASN: 7.25 ARIN Region origin ASes announcing only one prefix: 4486 ARIN Region transit ASes present in the Internet Routing Table: 1112 Average ARIN Region AS path length visible: 3.0 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 338596064 Equivalent to 20 /8s, 46 /16s and 144 /24s Percentage of available ARIN address space announced: 74.7
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: 48332 Total RIPE prefixes after maximum aggregation: 30542 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 44835 Unique aggregates announced from the RIPE address blocks: 28866 RIPE Region origin ASes present in the Internet Routing Table: 9874 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5196 RIPE Region transit ASes present in the Internet Routing Table: 1632 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 321403520 Equivalent to 19 /8s, 40 /16s and 58 /24s Percentage of available RIPE address space announced: 79.8
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: 15361 Total LACNIC prefixes after maximum aggregation: 4267 LACNIC Deaggregation factor: 3.60 Prefixes being announced from the LACNIC address blocks: 13394 Unique aggregates announced from the LACNIC address blocks: 7570 LACNIC Region origin ASes present in the Internet Routing Table: 818 LACNIC Prefixes per ASN: 16.37 LACNIC Region origin ASes announcing only one prefix: 260 LACNIC Region transit ASes present in the Internet Routing Table: 146 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 40084224 Equivalent to 2 /8s, 99 /16s and 163 /24s Percentage of available LACNIC address space announced: 59.7
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: 2647 Total AfriNIC prefixes after maximum aggregation: 1041 AfriNIC Deaggregation factor: 2.54 Prefixes being announced from the AfriNIC address blocks: 2119 Unique aggregates announced from the AfriNIC address blocks: 1245 AfriNIC Region origin ASes present in the Internet Routing Table: 194 AfriNIC Prefixes per ASN: 10.92 AfriNIC Region origin ASes announcing only one prefix: 58 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: 6280192 Equivalent to 0 /8s, 95 /16s and 212 /24s Percentage of available AfriNIC address space announced: 18.7
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 1345 10141 282 CHINANET-BACKBONE 4755 1257 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1110 79 395 Sify Limited 9498 984 469 66 BHARTI BT INTERNET LTD. 23577 916 35 815 Korea Telecom (ATM-MPLS) 4766 789 4927 312 Korea Telecom (KIX) 17488 710 46 51 Hathway IP Over Cable Interne 7545 702 154 118 TPG Internet Pty Ltd 1221 590 1950 437 Telstra Pty Ltd 18101 565 117 36 Reliance Infocom Ltd Internet 4812 518 904 92 China Telecom (Shanghai) 4668 508 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 486 218 271 SingTel Optus Pty Ltd 9443 469 121 78 Primus Telecommunications 9942 430 76 112 COMindico Australia 4802 412 105 150 Wantree Development 17974 372 130 13 PT TELEKOMUNIKASI INDONESIA 2907 366 1717 304 SINET Japan 9829 363 258 15 BSNL National Internet Backbo
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1019 1079 181 Telenor Internet Access 702 504 1920 400 UUNET - Commercial IP service 24863 354 56 36 LINKdotNET AS number 5089 336 1658 53 NTL Group Limited 8551 322 312 50 Bezeq International 3301 310 1455 290 TeliaNet Sweden 3320 309 6034 256 Deutsche Telekom AG 6746 280 129 256 Dynamic Network Technologies, 680 264 2044 255 DFN-IP service G-WiN 3215 255 2376 96 France Telecom Transpac 8220 248 440 239 COLT Telecommunications 8708 248 419 238 Romania Data Systems S.A. 3269 222 2775 74 TELECOM ITALIA 3352 218 1864 41 Ibernet, Internet Access Netw 9121 210 1441 24 TTnet Autonomous System 1257 209 1196 174 SWIPnet Swedish IP Network 9116 200 136 25 Goldenlines main autonomous s 3246 198 330 185 Song Networks 2856 196 2318 152 BTnet UK Regional network 3300 195 172 95 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4927 6596 717 UUNET Technologies, Inc. 7018 1464 10177 987 AT&T WorldNet Services 4323 1313 1038 365 Time Warner Telecom 2386 1212 615 753 AT&T Data Communications Serv 6478 1129 368 142 AT&T Worldnet Services 11492 1094 107 23 Cable One 6197 1025 717 509 BellSouth Network Solutions, 18566 1011 288 9 Covad Communications 174 964 6777 862 Cogent Communications 7011 850 252 538 Citizens Utilities 1239 815 2743 582 Sprint 705 810 476 370 UUNET Technologies, Inc. 20115 798 728 424 Charter Communications 7046 781 263 640 UUNET Technologies, Inc. 19262 774 2707 197 Verizon Global Networks 209 754 3860 585 Qwest 22773 728 1892 44 Cox Communications, Inc. 577 658 810 203 Bell Advanced Communications 5668 616 169 21 CenturyTel Internet Holdings, 7029 604 488 79 Alltel Information Services,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1257 1187 Videsh Sanchar Nigam Ltd. Aut 11492 1094 1071 Cable One 4134 1345 1063 CHINANET-BACKBONE 18566 1011 1002 Covad Communications 6478 1129 987 AT&T Worldnet Services 4323 1313 948 Time Warner Telecom 9498 984 918 BHARTI BT INTERNET LTD. 2119 1019 838 Telenor Internet Access 9583 1110 715 Sify Limited 22773 728 684 Cox Communications, Inc. 17488 710 659 Hathway IP Over Cable Interne 8151 855 646 UniNet S.A. de C.V. 5668 616 595 CenturyTel Internet Holdings, 7545 702 584 TPG Internet Pty Ltd 19262 774 577 Verizon Global Networks 18101 565 529 Reliance Infocom Ltd Internet 6517 561 526 Yipes Communications, Inc. 7029 604 525 Alltel Information Services, 19916 568 517 OLM LLC 6197 1025 516 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65502 PRIVATE 63.220.13.0/24 19316 Spectrum Access, Inc 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 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 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 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 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 /12:130 /13:264 /14:467 /15:907 /16:9576 /17:4058 /18:6609 /19:13812 /20:16252 /21:14536 /22:19200 /23:20357 /24:124013 /25:1028 /26:1310 /27:575 /28:274 /29:206 /30:322 /31:1 /32:109
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3693 4927 UUNET Technologies, Inc. 6478 1119 1129 AT&T Worldnet Services 11492 1085 1094 Cable One 18566 993 1011 Covad Communications 9583 954 1110 Sify Limited 2119 907 1019 Telenor Internet Access 2386 905 1212 AT&T Data Communications Serv 23577 902 916 Korea Telecom (ATM-MPLS) 7018 793 1464 AT&T WorldNet Services 6197 778 1025 BellSouth Network Solutions, 7011 749 850 Citizens Utilities 4755 655 1257 Videsh Sanchar Nigam Ltd. Aut 9498 654 984 BHARTI BT INTERNET LTD. 4766 596 789 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 550 1313 Time Warner Telecom 7046 534 781 UUNET Technologies, Inc. 17488 533 710 Hathway IP Over Cable Interne 705 531 810 UUNET Technologies, Inc. 6517 527 561 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:84 9:1 12:1829 15:19 16:3 17:3 18:11 20:38 24:939 25:1 32:167 33:3 38:331 40:61 41:182 43:6 44:2 47:2 52:4 55:3 56:3 57:53 58:429 59:391 60:321 61:999 62:933 63:3351 64:3242 65:3698 66:3385 67:763 68:628 69:1909 70:437 71:106 72:1334 73:2 74:562 75:266 76:75 77:262 78:18 80:830 81:821 82:724 83:393 84:429 85:865 86:342 87:439 88:284 89:883 90:7 91:395 97:6 98:4 116:237 117:43 121:210 122:565 123:124 124:838 125:945 128:292 129:225 130:129 131:367 132:54 133:9 134:195 135:38 136:184 137:86 138:149 139:123 140:484 141:173 142:398 143:246 144:297 145:43 146:324 147:123 148:394 149:148 150:113 151:160 152:94 153:126 154:5 155:254 156:152 157:213 158:157 159:158 160:105 161:95 162:222 163:181 164:455 165:416 166:293 167:287 168:504 169:120 170:407 171:18 172:1 189:58 190:676 192:5827 193:3910 194:3191 195:2311 196:989 198:3932 199:3352 200:4900 201:1090 202:7435 203:7634 204:4104 205:2134 206:2625 207:3069 208:3349 209:3623 210:2469 211:1007 212:1323 213:1509 214:412 215:41 216:4173 217:1161 218:380 219:387 220:992 221:420 222:264
End of report
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