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Routing Table Report 00:00 GMT Tue 29 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/2007/05/29
Analysis Summary ----------------
BGP routing table entries examined: 231700 Prefixes after maximum aggregation: 119848 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 106614 Total ASes present in the Internet Routing Table: 25394 Prefixes per ASN: 9.12 Origin-only ASes present in the Internet Routing Table: 21947 Origin ASes announcing only one prefix: 10671 Transit ASes present in the Internet Routing Table: 3447 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 37 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 43 Unregistered ASNs in the Routing Table: 27 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1724200716 Equivalent to 102 /8s, 197 /16s and 55 /24s Percentage of available address space announced: 46.5 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 124115
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 52436 Total APNIC prefixes after maximum aggregation: 20216 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 49302 Unique aggregates announced from the APNIC address blocks: 20299 APNIC Region origin ASes present in the Internet Routing Table: 2969 APNIC Prefixes per ASN: 16.61 APNIC Region origin ASes announcing only one prefix: 788 APNIC Region transit ASes present in the Internet Routing Table: 463 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 295760956 Equivalent to 17 /8s, 160 /16s and 244 /24s Percentage of available APNIC address space announced: 73.3
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: 113689 Total ARIN prefixes after maximum aggregation: 63719 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 84874 Unique aggregates announced from the ARIN address blocks: 30828 ARIN Region origin ASes present in the Internet Routing Table: 11623 ARIN Prefixes per ASN: 7.30 ARIN Region origin ASes announcing only one prefix: 4470 ARIN Region transit ASes present in the Internet Routing Table: 1128 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 334358496 Equivalent to 19 /8s, 237 /16s and 231 /24s Percentage of available ARIN address space announced: 73.8
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: 47474 Total RIPE prefixes after maximum aggregation: 30684 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 44069 Unique aggregates announced from the RIPE address blocks: 28304 RIPE Region origin ASes present in the Internet Routing Table: 9721 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5097 RIPE Region transit ASes present in the Internet Routing Table: 1626 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 37 Number of RIPE addresses announced to Internet: 307226432 Equivalent to 18 /8s, 79 /16s and 231 /24s Percentage of available RIPE address space announced: 76.3
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: 15367 Total LACNIC prefixes after maximum aggregation: 4187 LACNIC Deaggregation factor: 3.67 Prefixes being announced from the LACNIC address blocks: 13458 Unique aggregates announced from the LACNIC address blocks: 7323 LACNIC Region origin ASes present in the Internet Routing Table: 801 LACNIC Prefixes per ASN: 16.80 LACNIC Region origin ASes announcing only one prefix: 260 LACNIC Region transit ASes present in the Internet Routing Table: 144 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 38960896 Equivalent to 2 /8s, 82 /16s and 127 /24s Percentage of available LACNIC address space announced: 58.1
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: 2686 Total AfriNIC prefixes after maximum aggregation: 1030 AfriNIC Deaggregation factor: 2.61 Prefixes being announced from the AfriNIC address blocks: 2052 Unique aggregates announced from the AfriNIC address blocks: 1190 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.74 AfriNIC Region origin ASes announcing only one prefix: 56 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: 6127616 Equivalent to 0 /8s, 93 /16s and 128 /24s Percentage of available AfriNIC address space announced: 18.3
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 4134 1286 9959 279 CHINANET-BACKBONE 4755 1223 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1117 108 17 Sify Limited 9498 986 469 71 BHARTI BT INTERNET LTD. 23577 925 35 819 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 694 45 38 Hathway IP Over Cable Interne 7545 647 142 79 TPG Internet Pty Ltd 1221 597 1954 438 Telstra Pty Ltd 18101 546 116 36 Reliance Infocom Ltd Internet 4668 506 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 482 218 270 SingTel Optus Pty Ltd 9443 465 120 77 Primus Telecommunications 4812 457 820 74 China Telecom (Shanghai) 9942 442 77 115 COMindico Australia 4802 412 86 149 Wantree Development 2907 365 1732 305 SINET Japan 9829 362 258 14 BSNL National Internet Backbo 17557 354 37 169 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 955 928 654 Telenor Internet Access 702 515 1923 408 UUNET - Commercial IP service 24863 345 47 31 LINKdotNET AS number 5089 338 1658 53 NTL Group Limited 3301 309 1455 289 TeliaNet Sweden 3320 305 4994 252 Deutsche Telekom AG 6746 280 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 253 456 243 COLT Telecommunications 3215 246 2279 94 France Telecom Transpac 1257 241 1196 174 SWIPnet Swedish IP Network 8708 233 288 228 Romania Data Systems S.A. 3269 215 2631 73 TELECOM ITALIA 8551 208 197 27 Bezeq International 3352 205 1799 36 Ibernet, Internet Access Netw 3246 204 334 191 Song Networks 9116 197 136 25 Goldenlines main autonomous s 3300 189 171 91 AUCS Communications Services 2856 187 2318 146 BTnet UK Regional network 12479 184 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5013 6613 731 UUNET Technologies, Inc. 7018 1507 10216 992 AT&T WorldNet Services 4323 1265 1032 362 Time Warner Telecom 2386 1152 596 757 AT&T Data Communications Serv 11492 1074 104 22 Cable One 6197 1040 706 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 6478 999 315 323 AT&T Worldnet Services 174 947 6744 856 Cogent Communications 705 841 492 377 UUNET Technologies, Inc. 1239 822 2740 581 Sprint 20115 807 724 428 Charter Communications 7011 799 227 476 Citizens Utilities 19262 773 2661 206 Verizon Global Networks 7046 759 262 635 UUNET Technologies, Inc. 209 743 3820 581 Qwest 22773 722 1892 44 Cox Communications, Inc. 577 650 793 205 Bell Advanced Communications 852 603 1074 370 Telus Advanced Communications 5668 598 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1223 1153 Videsh Sanchar Nigam Ltd. Aut 9583 1117 1100 Sify Limited 8151 1301 1098 UniNet S.A. de C.V. 11492 1074 1052 Cable One 4134 1286 1007 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 9498 986 915 BHARTI BT INTERNET LTD. 4323 1265 903 Time Warner Telecom 22773 722 678 Cox Communications, Inc. 6478 999 676 AT&T Worldnet Services 17488 694 656 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 7545 647 568 TPG Internet Pty Ltd 19262 773 567 Verizon Global Networks 6197 1040 532 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1507 515 AT&T WorldNet Services 18101 546 510 Reliance Infocom Ltd Internet 7029 583 506 Alltel Information Services, 15270 541 506 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65534 PRIVATE 10.11.12.0/24 10886 University of Maryla 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 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 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 65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc. 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 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 10.11.12.0/24 65534 * 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 /8:19 /9:9 /10:14 /11:35 /12:126 /13:249 /14:454 /15:879 /16:9452 /17:3954 /18:6487 /19:13633 /20:15759 /21:14224 /22:18793 /23:20247 /24:123597 /25:1000 /26:1133 /27:566 /28:261 /29:193 /30:483 /31:0 /32:133
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3760 5013 UUNET Technologies, Inc. 11492 1060 1074 Cable One 18566 992 1010 Covad Communications 6478 990 999 AT&T Worldnet Services 9583 947 1117 Sify Limited 23577 911 925 Korea Telecom (ATM-MPLS) 2119 855 955 Telenor Internet Access 2386 848 1152 AT&T Data Communications Serv 7018 812 1507 AT&T WorldNet Services 6197 795 1040 BellSouth Network Solutions, 8151 702 1301 UniNet S.A. de C.V. 7011 700 799 Citizens Utilities 9498 655 986 BHARTI BT INTERNET LTD. 4755 621 1223 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 705 547 841 UUNET Technologies, Inc. 7046 533 759 UUNET Technologies, Inc. 4323 524 1265 Time Warner Telecom 17488 515 694 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:79 9:1 10:1 12:1817 15:19 16:3 17:3 18:8 20:38 24:947 25:1 32:173 33:2 38:312 40:61 41:141 43:6 44:2 47:5 52:4 55:3 56:3 57:50 58:412 59:392 60:303 61:963 62:949 63:3388 64:3244 65:3724 66:3391 67:826 68:641 69:1857 70:520 71:105 72:1322 73:1 74:486 75:263 76:62 77:203 78:2 80:827 81:789 82:704 83:416 84:421 85:814 86:343 87:445 88:274 89:869 90:7 91:318 97:6 116:83 121:194 122:534 123:107 124:820 125:935 128:282 129:224 130:129 131:366 132:52 133:9 134:192 135:38 136:186 137:85 138:140 139:122 140:482 141:171 142:392 143:234 144:294 145:43 146:322 147:121 148:398 149:147 150:115 151:159 152:94 153:124 154:5 155:254 156:152 157:188 158:158 159:158 160:103 161:94 162:235 163:185 164:460 165:407 166:240 167:283 168:501 169:120 170:400 171:16 172:1 189:547 190:633 192:5822 193:3880 194:3169 195:2307 196:998 198:3856 199:3364 200:4805 201:1035 202:7395 203:7630 204:4112 205:2185 206:2579 207:3115 208:3357 209:3712 210:2482 211:1009 212:1366 213:1510 214:407 215:40 216:4206 217:1161 218:378 219:381 220:959 221:404 222:263
End of report
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