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Routing Table Report 00:00 GMT Thu 31 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/2007/05/31
Analysis Summary ----------------
BGP routing table entries examined: 232145 Prefixes after maximum aggregation: 119763 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 106713 Total ASes present in the Internet Routing Table: 25417 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 22040 Origin ASes announcing only one prefix: 10687 Transit ASes present in the Internet Routing Table: 3377 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 23 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 40 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: 1726227628 Equivalent to 102 /8s, 228 /16s and 36 /24s Percentage of available address space announced: 46.6 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 124421
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 52435 Total APNIC prefixes after maximum aggregation: 20246 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 49275 Unique aggregates announced from the APNIC address blocks: 20350 APNIC Region origin ASes present in the Internet Routing Table: 2972 APNIC Prefixes per ASN: 16.58 APNIC Region origin ASes announcing only one prefix: 787 APNIC Region transit ASes present in the Internet Routing Table: 460 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 296937276 Equivalent to 17 /8s, 178 /16s and 231 /24s Percentage of available APNIC address space announced: 73.6
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: 113949 Total ARIN prefixes after maximum aggregation: 63597 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84998 Unique aggregates announced from the ARIN address blocks: 30860 ARIN Region origin ASes present in the Internet Routing Table: 11630 ARIN Prefixes per ASN: 7.31 ARIN Region origin ASes announcing only one prefix: 4482 ARIN Region transit ASes present in the Internet Routing Table: 1105 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 334497984 Equivalent to 19 /8s, 240 /16s and 8 /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: 47573 Total RIPE prefixes after maximum aggregation: 30713 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 44182 Unique aggregates announced from the RIPE address blocks: 28362 RIPE Region origin ASes present in the Internet Routing Table: 9739 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5108 RIPE Region transit ASes present in the Internet Routing Table: 1587 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 307746560 Equivalent to 18 /8s, 87 /16s and 215 /24s Percentage of available RIPE address space announced: 76.4
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: 15451 Total LACNIC prefixes after maximum aggregation: 4161 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 13519 Unique aggregates announced from the LACNIC address blocks: 7291 LACNIC Region origin ASes present in the Internet Routing Table: 798 LACNIC Prefixes per ASN: 16.94 LACNIC Region origin ASes announcing only one prefix: 255 LACNIC Region transit ASes present in the Internet Routing Table: 142 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 39043840 Equivalent to 2 /8s, 83 /16s and 195 /24s Percentage of available LACNIC address space announced: 58.2
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: 2692 Total AfriNIC prefixes after maximum aggregation: 1034 AfriNIC Deaggregation factor: 2.60 Prefixes being announced from the AfriNIC address blocks: 2058 Unique aggregates announced from the AfriNIC address blocks: 1178 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.77 AfriNIC Region origin ASes announcing only one prefix: 55 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 6123264 Equivalent to 0 /8s, 93 /16s and 111 /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 1287 9959 279 CHINANET-BACKBONE 4755 1223 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1038 108 15 Sify Limited 9498 988 469 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 80 TPG Internet Pty Ltd 1221 597 1954 438 Telstra Pty Ltd 18101 552 116 38 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 478 218 268 SingTel Optus Pty Ltd 9443 465 120 77 Primus Telecommunications 4812 462 821 76 China Telecom (Shanghai) 9942 432 77 115 COMindico Australia 4802 410 86 147 Wantree Development 2907 365 1732 305 SINET Japan 9829 363 258 15 BSNL National Internet Backbo 17557 358 37 167 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 956 929 656 Telenor Internet Access 702 517 1939 410 UUNET - Commercial IP service 24863 345 47 32 LINKdotNET AS number 5089 338 1658 53 NTL Group Limited 3301 309 1455 289 TeliaNet Sweden 3320 306 4994 253 Deutsche Telekom AG 6746 279 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 253 460 243 COLT Telecommunications 3215 246 2280 94 France Telecom Transpac 1257 243 1196 176 SWIPnet Swedish IP Network 8708 237 416 230 Romania Data Systems S.A. 3269 216 2647 74 TELECOM ITALIA 8551 208 197 27 Bezeq International 3352 207 1799 36 Ibernet, Internet Access Netw 3246 203 334 190 Song Networks 9116 198 136 25 Goldenlines main autonomous s 3300 189 171 91 AUCS Communications Services 2856 186 2318 147 BTnet UK Regional network 12479 185 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5029 6614 736 UUNET Technologies, Inc. 7018 1502 10216 986 AT&T WorldNet Services 4323 1266 1033 362 Time Warner Telecom 2386 1152 596 757 AT&T Data Communications Serv 6478 1100 343 121 AT&T Worldnet Services 11492 1072 104 23 Cable One 6197 1040 706 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 944 6744 854 Cogent Communications 705 838 486 383 UUNET Technologies, Inc. 1239 820 2731 579 Sprint 20115 805 722 428 Charter Communications 7011 801 228 478 Citizens Utilities 19262 775 2694 207 Verizon Global Networks 7046 762 262 634 UUNET Technologies, Inc. 209 744 3820 582 Qwest 22773 720 1876 43 Cox Communications, Inc. 577 652 793 205 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 8151 1303 1103 UniNet S.A. de C.V. 11492 1072 1049 Cable One 9583 1038 1023 Sify Limited 4134 1287 1008 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1100 979 AT&T Worldnet Services 9498 988 919 BHARTI BT INTERNET LTD. 4323 1266 904 Time Warner Telecom 22773 720 677 Cox Communications, Inc. 17488 694 656 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 19262 775 568 Verizon Global Networks 7545 648 568 TPG Internet Pty Ltd 6197 1040 532 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1502 516 AT&T WorldNet Services 18101 552 514 Reliance Infocom Ltd Internet 15270 542 507 PaeTec.net -a division of Pae 4668 507 497 LG-EDS Systems Inc.
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. 65535 PRIVATE 69.39.86.0/24 12129 Internet123 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 /15:879 /16:9456 /17:3962 /18:6496 /19:13647 /20:15771 /21:14274 /22:18832 /23:20284 /24:123829 /25:1012 /26:1140 /27:570 /28:264 /29:209 /30:484 /31:0 /32:128
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3767 5029 UUNET Technologies, Inc. 6478 1091 1100 AT&T Worldnet Services 11492 1063 1072 Cable One 18566 992 1010 Covad Communications 23577 911 925 Korea Telecom (ATM-MPLS) 9583 873 1038 Sify Limited 2119 857 956 Telenor Internet Access 2386 849 1152 AT&T Data Communications Serv 7018 812 1502 AT&T WorldNet Services 6197 795 1040 BellSouth Network Solutions, 8151 705 1303 UniNet S.A. de C.V. 7011 702 801 Citizens Utilities 9498 659 988 BHARTI BT INTERNET LTD. 4755 621 1223 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 705 546 838 UUNET Technologies, Inc. 7046 532 762 UUNET Technologies, Inc. 4323 519 1266 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 12:1828 15:19 16:3 17:3 18:8 20:38 24:947 25:1 32:173 33:2 38:319 40:61 41:151 43:6 44:2 47:5 52:4 55:3 56:3 57:51 58:414 59:396 60:301 61:976 62:951 63:3389 64:3241 65:3737 66:3406 67:820 68:637 69:1867 70:526 71:96 72:1316 73:1 74:489 75:264 76:74 77:210 78:2 80:828 81:817 82:703 83:420 84:423 85:811 86:343 87:455 88:277 89:877 90:7 91:323 94:1 97:6 116:98 121:194 122:535 123:109 124:800 125:934 128:282 129:225 130:130 131:366 132:52 133:9 134:192 135:38 136:186 137:85 138:140 139:122 140:482 141:171 142:393 143:234 144:294 145:43 146:317 147:121 148:397 149:146 150:115 151:159 152:94 153:124 154:5 155:254 156:152 157:187 158:158 159:156 160:107 161:94 162:235 163:185 164:460 165:407 166:238 167:284 168:502 169:120 170:402 171:16 172:1 189:550 190:635 192:5840 193:3885 194:3175 195:2309 196:997 198:3868 199:3360 200:4816 201:1036 202:7408 203:7603 204:4116 205:2193 206:2578 207:3168 208:3357 209:3695 210:2466 211:1013 212:1376 213:1515 214:408 215:40 216:4227 217:1162 218:373 219:385 220:964 221:379 222:260
End of report
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