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Routing Table Report 00:00 GMT Fri 11 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/2007/05/11
Analysis Summary ----------------
BGP routing table entries examined: 230180 Prefixes after maximum aggregation: 119471 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 106968 Total ASes present in the Internet Routing Table: 25223 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 21844 Origin ASes announcing only one prefix: 10591 Transit ASes present in the Internet Routing Table: 3379 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (24802) 13 Prefixes from unregistered ASNs in the Routing Table: 39 Unregistered ASNs in the Routing Table: 24 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: 1717952508 Equivalent to 102 /8s, 101 /16s and 223 /24s Percentage of available address space announced: 46.4 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 123158
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 51818 Total APNIC prefixes after maximum aggregation: 20478 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 48680 Unique aggregates announced from the APNIC address blocks: 21294 APNIC Region origin ASes present in the Internet Routing Table: 2948 APNIC Prefixes per ASN: 16.51 APNIC Region origin ASes announcing only one prefix: 782 APNIC Region transit ASes present in the Internet Routing Table: 452 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 292913516 Equivalent to 17 /8s, 117 /16s and 129 /24s Percentage of available APNIC address space announced: 72.6
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: 113313 Total ARIN prefixes after maximum aggregation: 63320 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84488 Unique aggregates announced from the ARIN address blocks: 30572 ARIN Region origin ASes present in the Internet Routing Table: 11564 ARIN Prefixes per ASN: 7.31 ARIN Region origin ASes announcing only one prefix: 4428 ARIN Region transit ASes present in the Internet Routing Table: 1108 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 332347872 Equivalent to 19 /8s, 207 /16s and 57 /24s Percentage of available ARIN address space announced: 73.4
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: 47295 Total RIPE prefixes after maximum aggregation: 30490 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 43928 Unique aggregates announced from the RIPE address blocks: 28106 RIPE Region origin ASes present in the Internet Routing Table: 9650 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 5069 RIPE Region transit ASes present in the Internet Routing Table: 1590 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 305635136 Equivalent to 18 /8s, 55 /16s and 159 /24s Percentage of available RIPE address space announced: 75.9
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: 15039 Total LACNIC prefixes after maximum aggregation: 4128 LACNIC Deaggregation factor: 3.64 Prefixes being announced from the LACNIC address blocks: 13129 Unique aggregates announced from the LACNIC address blocks: 7184 LACNIC Region origin ASes present in the Internet Routing Table: 789 LACNIC Prefixes per ASN: 16.64 LACNIC Region origin ASes announcing only one prefix: 255 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 38736384 Equivalent to 2 /8s, 79 /16s and 18 /24s Percentage of available LACNIC address space announced: 57.7
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: 2673 Total AfriNIC prefixes after maximum aggregation: 1045 AfriNIC Deaggregation factor: 2.56 Prefixes being announced from the AfriNIC address blocks: 2030 Unique aggregates announced from the AfriNIC address blocks: 1195 AfriNIC Region origin ASes present in the Internet Routing Table: 190 AfriNIC Prefixes per ASN: 10.68 AfriNIC Region origin ASes announcing only one prefix: 57 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 6101248 Equivalent to 0 /8s, 93 /16s and 25 /24s Percentage of available AfriNIC address space announced: 18.2
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 1210 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1107 79 381 Sify Limited 9498 977 469 72 BHARTI BT INTERNET LTD. 23577 926 35 823 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 676 44 35 Hathway IP Over Cable Interne 7545 629 142 79 TPG Internet Pty Ltd 1221 585 1954 436 Telstra Pty Ltd 18101 537 116 28 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 483 217 269 SingTel Optus Pty Ltd 4812 460 807 73 China Telecom (Shanghai) 9443 453 115 75 Primus Telecommunications 9942 444 77 117 COMindico Australia 4802 360 86 147 Wantree Development 17557 356 37 170 Pakistan Telecom 4837 344 4709 159 chinanet IDC center beijing n 2907 332 1700 303 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 953 912 651 Telenor Internet Access 702 518 1941 412 UUNET - Commercial IP service 24863 343 47 29 LINKdotNET AS number 5089 314 1658 53 NTL Group Limited 3301 309 1455 289 TeliaNet Sweden 3320 303 4993 251 Deutsche Telekom AG 6746 273 128 250 Dynamic Network Technologies, 680 257 2044 250 DFN-IP service G-WiN 8220 256 460 246 COLT Telecommunications 3215 238 2254 95 France Telecom Transpac 1257 237 1180 170 SWIPnet Swedish IP Network 8708 234 287 228 Romania Data Systems S.A. 3269 214 2583 73 TELECOM ITALIA 3246 212 341 198 Song Networks 8551 208 197 27 Bezeq International 30890 202 17 94 SC Kappa Invexim SRL 3352 200 1783 37 Ibernet, Internet Access Netw 20858 196 34 4 EgyNet 9116 193 136 25 Goldenlines main autonomous s 3300 191 171 92 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5033 6644 726 UUNET Technologies, Inc. 7018 1506 10248 994 AT&T WorldNet Services 4323 1262 1027 359 Time Warner Telecom 2386 1133 580 753 AT&T Data Communications Serv 6478 1093 338 132 AT&T Worldnet Services 11492 1048 104 22 Cable One 6197 1034 688 503 BellSouth Network Solutions, 18566 1006 288 9 Covad Communications 174 969 6792 876 Cogent Communications 705 848 498 376 UUNET Technologies, Inc. 20115 821 745 435 Charter Communications 1239 818 2732 578 Sprint 7011 791 226 472 Citizens Utilities 7046 788 263 649 UUNET Technologies, Inc. 19262 773 2620 208 Verizon Global Networks 209 729 3847 583 Qwest 22773 714 1888 43 Cox Communications, Inc. 577 642 777 204 Bell Advanced Communications 852 605 1096 371 Telus Advanced Communications 5668 601 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1210 1140 Videsh Sanchar Nigam Ltd. Aut 11492 1048 1026 Cable One 4134 1281 1006 CHINANET-BACKBONE 18566 1006 997 Covad Communications 8151 1205 992 UniNet S.A. de C.V. 6478 1093 961 AT&T Worldnet Services 9498 977 905 BHARTI BT INTERNET LTD. 4323 1262 903 Time Warner Telecom 9583 1107 726 Sify Limited 22773 714 671 Cox Communications, Inc. 17488 676 641 Hathway IP Over Cable Interne 5668 601 584 CenturyTel Internet Holdings, 19262 773 565 Verizon Global Networks 7545 629 550 TPG Internet Pty Ltd 6197 1034 531 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1506 512 AT&T WorldNet Services 18101 537 509 Reliance Infocom Ltd Internet 7029 584 505 Alltel Information Services, 4668 507 497 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 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 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65027 PRIVATE 135.196.97.168/29 8190 VIATEL 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 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 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
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.0.2.0/24 812 Rogers WAVE
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 /8:19 /9:9 /10:14 /11:34 /12:126 /13:250 /14:452 /15:872 /16:9411 /17:3913 /18:6513 /19:13609 /20:15610 /21:14132 /22:18581 /23:20092 /24:122818 /25:1016 /26:1126 /27:563 /28:257 /29:193 /30:464 /31:0 /32:106
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3784 5033 UUNET Technologies, Inc. 6478 1084 1093 AT&T Worldnet Services 11492 1034 1048 Cable One 18566 988 1006 Covad Communications 9583 946 1107 Sify Limited 23577 912 926 Korea Telecom (ATM-MPLS) 2119 855 953 Telenor Internet Access 2386 830 1133 AT&T Data Communications Serv 7018 811 1506 AT&T WorldNet Services 6197 795 1034 BellSouth Network Solutions, 7011 694 791 Citizens Utilities 9498 640 977 BHARTI BT INTERNET LTD. 4755 605 1210 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 8151 585 1205 UniNet S.A. de C.V. 19916 563 568 OLM LLC 705 550 848 UUNET Technologies, Inc. 7046 539 788 UUNET Technologies, Inc. 4323 522 1262 Time Warner Telecom 15270 498 531 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:79 9:3 12:1814 13:1 15:19 16:3 17:3 18:8 20:37 24:945 25:1 32:174 38:311 40:60 41:127 43:6 44:2 47:5 52:4 55:2 56:3 57:54 58:394 59:341 60:278 61:933 62:1025 63:3395 64:3191 65:3724 66:3386 67:819 68:630 69:1840 70:505 71:104 72:1324 73:1 74:442 75:260 76:51 77:152 80:851 81:816 82:725 83:403 84:441 85:827 86:361 87:471 88:270 89:890 90:6 91:295 97:6 116:57 121:184 122:522 123:97 124:798 125:926 128:281 129:220 130:124 131:351 132:52 133:11 134:193 135:39 136:183 137:83 138:138 139:118 140:481 141:170 142:395 143:256 144:291 145:43 146:322 147:120 148:387 149:147 150:115 151:159 152:94 153:120 154:5 155:253 156:152 157:188 158:160 159:157 160:105 161:93 162:232 163:176 164:461 165:407 166:235 167:281 168:498 169:120 170:393 171:16 172:1 189:427 190:603 192:5823 193:3826 194:3139 195:2299 196:1002 198:3862 199:3380 200:4764 201:990 202:7338 203:7545 204:4094 205:2199 206:2572 207:3135 208:3331 209:3715 210:2494 211:981 212:1358 213:1561 214:392 215:40 216:4184 217:1150 218:374 219:363 220:964 221:412 222:264
End of report
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