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Routing Table Report 00:00 GMT Fri 31 Aug, 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/2007/08/31
Analysis Summary ----------------
BGP routing table entries examined: 233840 Prefixes after maximum aggregation: 120843 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 111041 Total ASes present in the Internet Routing Table: 26194 Prefixes per ASN: 8.93 Origin-only ASes present in the Internet Routing Table: 22737 Origin ASes announcing only one prefix: 11077 Transit ASes present in the Internet Routing Table: 3457 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 43 Unregistered ASNs in the Routing Table: 22 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1757219396 Equivalent to 104 /8s, 189 /16s and 10 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 124388
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 54658 Total APNIC prefixes after maximum aggregation: 20806 APNIC Deaggregation factor: 2.63 Prefixes being announced from the APNIC address blocks: 51448 Unique aggregates announced from the APNIC address blocks: 21566 APNIC Region origin ASes present in the Internet Routing Table: 3061 APNIC Prefixes per ASN: 16.81 APNIC Region origin ASes announcing only one prefix: 812 APNIC Region transit ASes present in the Internet Routing Table: 472 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 313413812 Equivalent to 18 /8s, 174 /16s and 80 /24s Percentage of available APNIC address space announced: 77.6
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: 110767 Total ARIN prefixes after maximum aggregation: 63458 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81339 Unique aggregates announced from the ARIN address blocks: 31870 ARIN Region origin ASes present in the Internet Routing Table: 11815 ARIN Prefixes per ASN: 6.88 ARIN Region origin ASes announcing only one prefix: 4520 ARIN Region transit ASes present in the Internet Routing Table: 1130 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 343167584 Equivalent to 20 /8s, 116 /16s and 82 /24s Percentage of available ARIN address space announced: 75.8
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: 49040 Total RIPE prefixes after maximum aggregation: 31058 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 45490 Unique aggregates announced from the RIPE address blocks: 29554 RIPE Region origin ASes present in the Internet Routing Table: 10166 RIPE Prefixes per ASN: 4.47 RIPE Region origin ASes announcing only one prefix: 5395 RIPE Region transit ASes present in the Internet Routing Table: 1629 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 326080512 Equivalent to 19 /8s, 111 /16s and 152 /24s Percentage of available RIPE address space announced: 74.8
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, 80/4, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 16492 Total LACNIC prefixes after maximum aggregation: 4445 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 14572 Unique aggregates announced from the LACNIC address blocks: 7814 LACNIC Region origin ASes present in the Internet Routing Table: 861 LACNIC Prefixes per ASN: 16.92 LACNIC Region origin ASes announcing only one prefix: 279 LACNIC Region transit ASes present in the Internet Routing Table: 148 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 42181376 Equivalent to 2 /8s, 131 /16s and 163 /24s Percentage of available LACNIC address space announced: 62.9
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: 2834 Total AfriNIC prefixes after maximum aggregation: 1062 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 2375 Unique aggregates announced from the AfriNIC address blocks: 1337 AfriNIC Region origin ASes present in the Internet Routing Table: 209 AfriNIC Prefixes per ASN: 11.36 AfriNIC Region origin ASes announcing only one prefix: 71 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7470080 Equivalent to 0 /8s, 113 /16s and 252 /24s Percentage of available AfriNIC address space announced: 22.3
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 4755 1344 383 73 Videsh Sanchar Nigam Ltd. Aut 9583 1132 100 106 Sify Limited 4134 1072 11186 289 CHINANET-BACKBONE 9498 996 532 66 BHARTI BT INTERNET LTD. 23577 925 34 794 Korea Telecom (ATM-MPLS) 17488 796 52 55 Hathway IP Over Cable Interne 4766 786 5441 316 Korea Telecom (KIX) 7545 732 159 119 TPG Internet Pty Ltd 1221 592 1951 437 Telstra Pty Ltd 18101 590 119 49 Reliance Infocom Ltd Internet 4812 548 968 97 China Telecom (Shanghai) 4668 516 68 10 LG-EDS Systems Inc. 17676 503 10919 64 Softbank BB Corp. 4808 481 778 114 CNCGROUP IP network: China169 9443 465 122 78 Primus Telecommunications 7474 460 216 271 SingTel Optus Pty Ltd 9942 439 75 112 COMindico Australia 4802 433 117 157 Wantree Development 17974 371 130 13 PT TELEKOMUNIKASI INDONESIA 4837 366 5104 167 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 491 1907 393 UUNET - Commercial IP service 24863 366 57 39 LINKdotNET AS number 9116 344 168 26 Goldenlines main autonomous s 5089 325 1658 54 NTL Group Limited 8551 321 316 40 Bezeq International 3320 316 6036 262 Deutsche Telekom AG 3301 314 1456 294 TeliaNet Sweden 1273 289 306 106 Cable & Wireless Deutschland 6746 287 130 263 Dynamic Network Technologies, 680 266 2045 256 DFN-IP service G-WiN 8708 262 420 241 Romania Data Systems S.A. 8220 259 444 242 COLT Telecommunications 3215 258 2424 98 France Telecom Transpac 3352 227 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 214 1441 24 TTnet Autonomous System 1257 203 1179 168 SWIPnet Swedish IP Network 3300 200 172 95 AUCS Communications Services 3292 195 1379 175 TDC Tele Danmark 2856 193 2318 153 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1485 10162 994 AT&T WorldNet Services 4323 1323 992 373 Time Warner Telecom 2386 1214 618 749 AT&T Data Communications Serv 11492 1137 110 11 Cable One 6478 1130 323 167 AT&T Worldnet Services 6197 1031 718 511 BellSouth Network Solutions, 18566 1022 288 9 Covad Communications 174 963 6715 850 Cogent Communications 701 934 6593 713 UUNET Technologies, Inc. 7011 924 280 554 Citizens Utilities 20115 816 751 435 Charter Communications 1239 792 2696 557 Sprint 19262 774 2729 183 Verizon Global Networks 22773 763 2149 50 Cox Communications, Inc. 209 724 3815 569 Qwest 577 706 813 202 Bell Advanced Communications 5668 657 176 23 CenturyTel Internet Holdings, 3356 595 10812 345 Level 3 Communications, LLC 6517 591 165 38 Yipes Communications, Inc. 852 587 1079 360 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1344 1271 Videsh Sanchar Nigam Ltd. Aut 11492 1137 1126 Cable One 9583 1132 1026 Sify Limited 18566 1022 1013 Covad Communications 6478 1130 963 AT&T Worldnet Services 4323 1323 950 Time Warner Telecom 9498 996 930 BHARTI BT INTERNET LTD. 4134 1072 783 CHINANET-BACKBONE 17488 796 741 Hathway IP Over Cable Interne 22773 763 713 Cox Communications, Inc. 8151 890 691 UniNet S.A. de C.V. 5668 657 634 CenturyTel Internet Holdings, 7545 732 613 TPG Internet Pty Ltd 19262 774 591 Verizon Global Networks 6517 591 553 Yipes Communications, Inc. 18101 590 541 Reliance Infocom Ltd Internet 15270 574 536 PaeTec.net -a division of Pae 6197 1031 520 BellSouth Network Solutions, 19916 568 517 OLM LLC 4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet 64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa 65500 PRIVATE 192.239.84.0/24 10886 University of Maryla 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 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 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 64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous 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 64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 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 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 /11:37 /12:134 /13:265 /14:474 /15:927 /16:9662 /17:4156 /18:6679 /19:14097 /20:16416 /21:15046 /22:19478 /23:20488 /24:122507 /25:881 /26:1144 /27:591 /28:262 /29:184 /30:277 /31:6 /32:87
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1129 1130 AT&T Worldnet Services 11492 1129 1137 Cable One 18566 1004 1022 Covad Communications 9583 966 1132 Sify Limited 23577 916 925 Korea Telecom (ATM-MPLS) 2386 907 1214 AT&T Data Communications Serv 7011 818 924 Citizens Utilities 7018 818 1485 AT&T WorldNet Services 6197 784 1031 BellSouth Network Solutions, 4755 726 1344 Videsh Sanchar Nigam Ltd. Aut 9498 667 996 BHARTI BT INTERNET LTD. 17488 619 796 Hathway IP Over Cable Interne 4766 589 786 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 556 1323 Time Warner Telecom 6517 556 591 Yipes Communications, Inc. 15270 538 574 PaeTec.net -a division of Pae 5668 522 657 CenturyTel Internet Holdings, 4668 506 516 LG-EDS Systems Inc. 18101 496 590 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:88 12:1829 13:2 15:19 16:3 17:3 18:13 20:36 24:985 25:1 32:173 33:3 38:349 40:60 41:324 43:6 44:2 47:4 52:4 55:3 56:3 57:46 58:476 59:388 60:369 61:1033 62:995 63:2015 64:3219 65:2429 66:3412 67:803 68:663 69:1980 70:463 71:116 72:1400 73:2 74:645 75:305 76:129 77:329 78:48 80:824 81:824 82:597 83:365 84:612 85:808 86:339 87:488 88:286 89:968 90:25 91:514 97:5 116:326 117:153 118:1 121:271 122:594 123:168 124:674 125:987 128:274 129:217 130:140 131:364 132:55 133:9 134:196 135:34 136:189 137:85 138:151 139:122 140:499 141:173 142:397 143:255 144:299 145:46 146:328 147:123 148:413 149:148 150:111 151:159 152:91 153:118 154:4 155:264 156:160 157:215 158:158 159:171 160:113 161:99 162:176 163:181 164:481 165:396 166:285 167:297 168:517 169:123 170:387 171:22 172:2 189:71 190:1002 192:5813 193:4005 194:3272 195:2387 196:1029 198:3909 199:3285 200:5121 201:1179 202:7455 203:7742 204:3968 205:1984 206:2483 207:2922 208:2830 209:3511 210:2472 211:1042 212:1353 213:1514 214:416 215:41 216:3998 217:1200 218:346 219:387 220:1031 221:418 222:261
End of report
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