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Routing Table Report 00:00 GMT Sat 05 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/2007/05/05/1100
Analysis Summary ----------------
BGP routing table entries examined: 229582 Prefixes after maximum aggregation: 119387 Deaggregation factor: 1.92 Unique aggregates announced to Internet: 106695 Total ASes present in the Internet Routing Table: 25206 Prefixes per ASN: 9.11 Origin-only ASes present in the Internet Routing Table: 21880 Origin ASes announcing only one prefix: 10591 Transit ASes present in the Internet Routing Table: 3326 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 3.8 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: 5 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1716261356 Equivalent to 102 /8s, 76 /16s and 17 /24s Percentage of available address space announced: 46.3 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 122747
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 51747 Total APNIC prefixes after maximum aggregation: 20459 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 48614 Unique aggregates announced from the APNIC address blocks: 21215 APNIC Region origin ASes present in the Internet Routing Table: 2946 APNIC Prefixes per ASN: 16.50 APNIC Region origin ASes announcing only one prefix: 782 APNIC Region transit ASes present in the Internet Routing Table: 453 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 292754796 Equivalent to 17 /8s, 115 /16s and 21 /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: 113260 Total ARIN prefixes after maximum aggregation: 63372 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84345 Unique aggregates announced from the ARIN address blocks: 30480 ARIN Region origin ASes present in the Internet Routing Table: 11584 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 4444 ARIN Region transit ASes present in the Internet Routing Table: 1101 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 332005600 Equivalent to 19 /8s, 202 /16s and 0 /24s Percentage of available ARIN address space announced: 73.3
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: 46947 Total RIPE prefixes after maximum aggregation: 30387 RIPE Deaggregation factor: 1.54 Prefixes being announced from the RIPE address blocks: 43592 Unique aggregates announced from the RIPE address blocks: 28013 RIPE Region origin ASes present in the Internet Routing Table: 9616 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5054 RIPE Region transit ASes present in the Internet Routing Table: 1556 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 304946752 Equivalent to 18 /8s, 45 /16s and 30 /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: 14892 Total LACNIC prefixes after maximum aggregation: 4123 LACNIC Deaggregation factor: 3.61 Prefixes being announced from the LACNIC address blocks: 12972 Unique aggregates announced from the LACNIC address blocks: 7165 LACNIC Region origin ASes present in the Internet Routing Table: 786 LACNIC Prefixes per ASN: 16.50 LACNIC Region origin ASes announcing only one prefix: 252 LACNIC Region transit ASes present in the Internet Routing Table: 144 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 38427904 Equivalent to 2 /8s, 74 /16s and 93 /24s Percentage of available LACNIC address space announced: 57.3
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: 2684 Total AfriNIC prefixes after maximum aggregation: 1036 AfriNIC Deaggregation factor: 2.59 Prefixes being announced from the AfriNIC address blocks: 2034 Unique aggregates announced from the AfriNIC address blocks: 1194 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.65 AfriNIC Region origin ASes announcing only one prefix: 59 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6073344 Equivalent to 0 /8s, 92 /16s and 172 /24s Percentage of available AfriNIC address space announced: 18.1
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 1206 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1107 79 386 Sify Limited 9498 974 469 73 BHARTI BT INTERNET LTD. 23577 928 35 823 Korea Telecom (ATM-MPLS) 4766 784 4943 312 Korea Telecom (KIX) 17488 672 44 34 Hathway IP Over Cable Interne 7545 626 142 79 TPG Internet Pty Ltd 1221 583 1954 434 Telstra Pty Ltd 18101 534 116 27 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 466 799 75 China Telecom (Shanghai) 9443 454 115 75 Primus Telecommunications 9942 444 77 117 COMindico Australia 4802 360 86 147 Wantree Development 17557 360 35 170 Pakistan Telecom 9829 355 274 11 BSNL National Internet Backbo 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 702 520 1925 414 UUNET - Commercial IP service 24863 343 47 29 LINKdotNET AS number 3301 311 1455 291 TeliaNet Sweden 3320 305 4994 252 Deutsche Telekom AG 6746 275 128 252 Dynamic Network Technologies, 5089 271 1658 53 NTL Group Limited 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 3352 224 1799 33 Ibernet, Internet Access Netw 3269 214 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 193 171 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 4937 6659 725 UUNET Technologies, Inc. 7018 1511 10228 999 AT&T WorldNet Services 4323 1262 1023 361 Time Warner Telecom 2386 1135 580 756 AT&T Data Communications Serv 6478 1093 338 133 AT&T Worldnet Services 11492 1049 103 20 Cable One 6197 1031 687 504 BellSouth Network Solutions, 18566 1001 288 9 Covad Communications 174 956 6727 864 Cogent Communications 705 920 513 437 UUNET Technologies, Inc. 20115 822 738 430 Charter Communications 1239 804 2700 569 Sprint 7011 790 226 471 Citizens Utilities 7046 787 263 649 UUNET Technologies, Inc. 19262 766 2580 206 Verizon Global Networks 209 732 3846 583 Qwest 22773 709 1872 42 Cox Communications, Inc. 577 643 777 204 Bell Advanced Communications 852 603 1080 370 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 1206 1134 Videsh Sanchar Nigam Ltd. Aut 11492 1049 1029 Cable One 4134 1281 1006 CHINANET-BACKBONE 18566 1001 992 Covad Communications 6478 1093 960 AT&T Worldnet Services 8151 1150 954 UniNet S.A. de C.V. 4323 1262 901 Time Warner Telecom 9498 974 901 BHARTI BT INTERNET LTD. 9583 1107 721 Sify Limited 22773 709 667 Cox Communications, Inc. 17488 672 638 Hathway IP Over Cable Interne 5668 600 583 CenturyTel Internet Holdings, 19262 766 560 Verizon Global Networks 7545 626 547 TPG Internet Pty Ltd 6197 1031 527 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1511 512 AT&T WorldNet Services 18101 534 507 Reliance Infocom Ltd Internet 7029 579 501 Alltel Information Services, 855 563 497 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 65075 PRIVATE 65.127.220.0/23 10886 University of Maryla 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 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 192.153.136.0/21 721 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 /12:126 /13:249 /14:452 /15:871 /16:9408 /17:3902 /18:6487 /19:13583 /20:15553 /21:14088 /22:18530 /23:19979 /24:122564 /25:996 /26:1112 /27:576 /28:255 /29:200 /30:466 /31:0 /32:110
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3698 4937 UUNET Technologies, Inc. 6478 1084 1093 AT&T Worldnet Services 11492 1035 1049 Cable One 18566 983 1001 Covad Communications 9583 945 1107 Sify Limited 23577 914 928 Korea Telecom (ATM-MPLS) 2386 831 1135 AT&T Data Communications Serv 7018 812 1511 AT&T WorldNet Services 2119 810 911 Telenor Internet Access 6197 792 1031 BellSouth Network Solutions, 7011 693 790 Citizens Utilities 9498 638 974 BHARTI BT INTERNET LTD. 4755 600 1206 Videsh Sanchar Nigam Ltd. Aut 705 592 920 UUNET Technologies, Inc. 4766 590 784 Korea Telecom (KIX) 19916 563 568 OLM LLC 8151 553 1150 UniNet S.A. de C.V. 7046 538 787 UUNET Technologies, Inc. 4323 520 1262 Time Warner Telecom 4668 496 507 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 7:1 8:80 9:3 10:1 12:1826 15:19 16:3 17:3 18:8 20:37 24:929 25:1 32:174 38:305 40:60 41:129 43:6 44:2 47:4 52:4 55:2 56:3 57:53 58:396 59:371 60:275 61:931 62:1024 63:3389 64:3182 65:3711 66:3363 67:819 68:635 69:1843 70:504 71:103 72:1315 73:1 74:441 75:260 76:45 77:145 80:871 81:823 82:725 83:403 84:435 85:803 86:360 87:459 88:264 89:852 90:7 91:276 97:6 116:56 121:177 122:518 123:97 124:799 125:926 128:279 129:220 130:123 131:350 132:52 133:11 134:193 135:39 136:183 137:83 138:197 139:117 140:481 141:164 142:395 143:239 144:288 145:43 146:323 147:148 148:397 149:145 150:115 151:158 152:94 153:120 154:5 155:252 156:155 157:187 158:161 159:156 160:105 161:92 162:235 163:176 164:461 165:406 166:234 167:279 168:493 169:119 170:400 171:16 172:1 189:396 190:601 192:5824 193:3822 194:3143 195:2289 196:1003 198:3878 199:3384 200:4734 201:941 202:7301 203:7524 204:4096 205:2213 206:2574 207:3132 208:3331 209:3735 210:2492 211:984 212:1361 213:1507 214:405 215:41 216:4172 217:1141 218:375 219:361 220:960 221:412 222:269
End of report
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