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Routing Table Report 00:00 GMT Fri 01 Jun, 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/2007/06/01
Analysis Summary ----------------
BGP routing table entries examined: 232325 Prefixes after maximum aggregation: 119860 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 106784 Total ASes present in the Internet Routing Table: 25401 Prefixes per ASN: 9.15 Origin-only ASes present in the Internet Routing Table: 22000 Origin ASes announcing only one prefix: 10686 Transit ASes present in the Internet Routing Table: 3401 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 23 Max AS path prepend of ASN (35389) 16 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: 7 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1729347500 Equivalent to 103 /8s, 19 /16s and 191 /24s Percentage of available address space announced: 46.7 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 124545
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 52507 Total APNIC prefixes after maximum aggregation: 20254 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 49346 Unique aggregates announced from the APNIC address blocks: 20339 APNIC Region origin ASes present in the Internet Routing Table: 2969 APNIC Prefixes per ASN: 16.62 APNIC Region origin ASes announcing only one prefix: 792 APNIC Region transit ASes present in the Internet Routing Table: 469 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 297534460 Equivalent to 17 /8s, 188 /16s and 3 /24s Percentage of available APNIC address space announced: 73.7
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: 114012 Total ARIN prefixes after maximum aggregation: 63694 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84996 Unique aggregates announced from the ARIN address blocks: 30861 ARIN Region origin ASes present in the Internet Routing Table: 11619 ARIN Prefixes per ASN: 7.32 ARIN Region origin ASes announcing only one prefix: 4465 ARIN Region transit ASes present in the Internet Routing Table: 1123 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 334664384 Equivalent to 19 /8s, 242 /16s and 146 /24s Percentage of available ARIN address space announced: 73.9
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: 47616 Total RIPE prefixes after maximum aggregation: 30705 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 44215 Unique aggregates announced from the RIPE address blocks: 28427 RIPE Region origin ASes present in the Internet Routing Table: 9743 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5117 RIPE Region transit ASes present in the Internet Routing Table: 1590 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 310160704 Equivalent to 18 /8s, 124 /16s and 173 /24s Percentage of available RIPE address space announced: 77.0
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: 15469 Total LACNIC prefixes after maximum aggregation: 4161 LACNIC Deaggregation factor: 3.72 Prefixes being announced from the LACNIC address blocks: 13581 Unique aggregates announced from the LACNIC address blocks: 7304 LACNIC Region origin ASes present in the Internet Routing Table: 800 LACNIC Prefixes per ASN: 16.98 LACNIC Region origin ASes announcing only one prefix: 256 LACNIC Region transit ASes present in the Internet Routing Table: 141 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 39007744 Equivalent to 2 /8s, 83 /16s and 54 /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: 2677 Total AfriNIC prefixes after maximum aggregation: 1034 AfriNIC Deaggregation factor: 2.59 Prefixes being announced from the AfriNIC address blocks: 2055 Unique aggregates announced from the AfriNIC address blocks: 1181 AfriNIC Region origin ASes present in the Internet Routing Table: 190 AfriNIC Prefixes per ASN: 10.82 AfriNIC Region origin ASes announcing only one prefix: 56 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 6121472 Equivalent to 0 /8s, 93 /16s and 104 /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 1288 9959 280 CHINANET-BACKBONE 4755 1226 382 72 Videsh Sanchar Nigam Ltd. Aut 9583 1114 108 17 Sify Limited 9498 990 469 69 BHARTI BT INTERNET LTD. 23577 925 35 820 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 694 45 38 Hathway IP Over Cable Interne 7545 648 142 79 TPG Internet Pty Ltd 1221 596 1954 437 Telstra Pty Ltd 18101 554 117 35 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 482 218 270 SingTel Optus Pty Ltd 9443 468 121 78 Primus Telecommunications 4812 463 821 76 China Telecom (Shanghai) 9942 431 76 114 COMindico Australia 4802 411 86 148 Wantree Development 9829 364 258 16 BSNL National Internet Backbo 2907 363 1700 303 SINET Japan 17557 359 41 168 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 957 915 657 Telenor Internet Access 702 515 1938 408 UUNET - Commercial IP service 24863 344 47 31 LINKdotNET AS number 5089 338 1658 53 NTL Group Limited 3301 309 1455 289 TeliaNet Sweden 3320 302 4994 252 Deutsche Telekom AG 6746 279 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 254 460 244 COLT Telecommunications 3215 246 2280 94 France Telecom Transpac 1257 243 1196 176 SWIPnet Swedish IP Network 8708 236 416 230 Romania Data Systems S.A. 3269 215 2631 74 TELECOM ITALIA 3352 211 1863 34 Ibernet, Internet Access Netw 8551 208 197 27 Bezeq International 9121 206 1441 24 TTnet Autonomous System 3246 203 334 190 Song Networks 9116 198 136 25 Goldenlines main autonomous s 2856 189 2318 147 BTnet UK Regional network 3300 189 171 90 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4967 6596 724 UUNET Technologies, Inc. 7018 1509 6153 995 AT&T WorldNet Services 4323 1269 1033 364 Time Warner Telecom 2386 1153 597 760 AT&T Data Communications Serv 6478 1102 344 123 AT&T Worldnet Services 11492 1072 104 23 Cable One 6197 1041 707 509 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 957 6777 866 Cogent Communications 705 841 491 377 UUNET Technologies, Inc. 1239 818 2724 578 Sprint 20115 805 723 433 Charter Communications 7011 804 228 481 Citizens Utilities 7046 782 264 642 UUNET Technologies, Inc. 19262 771 2677 203 Verizon Global Networks 209 747 3836 583 Qwest 22773 721 1892 44 Cox Communications, Inc. 577 652 793 205 Bell Advanced Communications 852 605 1090 372 Telus Advanced Communications 5668 600 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1226 1154 Videsh Sanchar Nigam Ltd. Aut 8151 1325 1115 UniNet S.A. de C.V. 9583 1114 1097 Sify Limited 11492 1072 1049 Cable One 4134 1288 1008 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1102 979 AT&T Worldnet Services 9498 990 921 BHARTI BT INTERNET LTD. 4323 1269 905 Time Warner Telecom 22773 721 677 Cox Communications, Inc. 17488 694 656 Hathway IP Over Cable Interne 5668 600 583 CenturyTel Internet Holdings, 7545 648 569 TPG Internet Pty Ltd 19262 771 568 Verizon Global Networks 6197 1041 532 BellSouth Network Solutions, 7029 600 520 Alltel Information Services, 18101 554 519 Reliance Infocom Ltd Internet 19916 568 517 OLM LLC 7018 1509 514 AT&T WorldNet Services 15270 543 508 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. 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 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 94.110.196.0/24 21161 Bechtle Autonomous System 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 /12:127 /13:250 /14:454 /15:881 /16:9464 /17:4041 /18:6495 /19:13642 /20:15781 /21:14305 /22:18824 /23:20288 /24:123867 /25:1022 /26:1154 /27:573 /28:264 /29:215 /30:483 /31:0 /32:118
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3720 4967 UUNET Technologies, Inc. 6478 1093 1102 AT&T Worldnet Services 11492 1063 1072 Cable One 18566 992 1010 Covad Communications 9583 944 1114 Sify Limited 23577 911 925 Korea Telecom (ATM-MPLS) 2119 857 957 Telenor Internet Access 2386 850 1153 AT&T Data Communications Serv 7018 811 1509 AT&T WorldNet Services 6197 795 1041 BellSouth Network Solutions, 7011 705 804 Citizens Utilities 8151 705 1325 UniNet S.A. de C.V. 9498 660 990 BHARTI BT INTERNET LTD. 4755 623 1226 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 705 547 841 UUNET Technologies, Inc. 7046 532 782 UUNET Technologies, Inc. 4323 520 1269 Time Warner Telecom 17488 515 694 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:80 9:1 10:1 12:1830 15:19 16:3 17:3 18:8 20:38 24:949 25:1 32:173 33:2 38:318 40:61 41:152 43:6 44:2 47:5 52:4 55:3 56:3 57:51 58:415 59:397 60:302 61:983 62:947 63:3389 64:3237 65:3727 66:3409 67:825 68:637 69:1883 70:526 71:107 72:1321 73:1 74:483 75:265 76:74 77:224 78:2 80:827 81:818 82:703 83:420 84:421 85:809 86:341 87:448 88:276 89:879 90:7 91:324 94:1 97:6 98:2 116:98 121:193 122:535 123:102 124:817 125:941 128:282 129:225 130:130 131:366 132:52 133:9 134:192 135:38 136:185 137:85 138:140 139:122 140:482 141:171 142:393 143:233 144:294 145:43 146:321 147:121 148:396 149:147 150:115 151:159 152:94 153:123 154:5 155:254 156:152 157:187 158:158 159:156 160:107 161:93 162:234 163:185 164:460 165:405 166:240 167:284 168:503 169:120 170:402 171:16 172:1 189:550 190:641 192:5841 193:3892 194:3176 195:2314 196:995 198:3870 199:3371 200:4840 201:1054 202:7395 203:7608 204:4118 205:2156 206:2575 207:3128 208:3359 209:3692 210:2460 211:1011 212:1375 213:1514 214:413 215:40 216:4214 217:1154 218:373 219:385 220:965 221:400 222:263
End of report
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