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Routing Table Report 00:00 GMT Thu 30 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/2007/08/30
Analysis Summary ----------------
BGP routing table entries examined: 235080 Prefixes after maximum aggregation: 120774 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 111047 Total ASes present in the Internet Routing Table: 26156 Prefixes per ASN: 8.99 Origin-only ASes present in the Internet Routing Table: 22627 Origin ASes announcing only one prefix: 11043 Transit ASes present in the Internet Routing Table: 3529 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 32 Max AS path prepend of ASN (16327) 25 Prefixes from unregistered ASNs in the Routing Table: 32 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: 1756380228 Equivalent to 104 /8s, 176 /16s and 60 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 125680
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55089 Total APNIC prefixes after maximum aggregation: 20812 APNIC Deaggregation factor: 2.65 Prefixes being announced from the APNIC address blocks: 51875 Unique aggregates announced from the APNIC address blocks: 21604 APNIC Region origin ASes present in the Internet Routing Table: 3058 APNIC Prefixes per ASN: 16.96 APNIC Region origin ASes announcing only one prefix: 808 APNIC Region transit ASes present in the Internet Routing Table: 478 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 313056180 Equivalent to 18 /8s, 168 /16s and 219 /24s Percentage of available APNIC address space announced: 77.5
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: 110662 Total ARIN prefixes after maximum aggregation: 63429 ARIN Deaggregation factor: 1.74 Prefixes being announced from the ARIN address blocks: 81297 Unique aggregates announced from the ARIN address blocks: 31863 ARIN Region origin ASes present in the Internet Routing Table: 11791 ARIN Prefixes per ASN: 6.89 ARIN Region origin ASes announcing only one prefix: 4508 ARIN Region transit ASes present in the Internet Routing Table: 1153 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 342871392 Equivalent to 20 /8s, 111 /16s and 205 /24s Percentage of available ARIN address space announced: 75.7
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: 50072 Total RIPE prefixes after maximum aggregation: 31068 RIPE Deaggregation factor: 1.61 Prefixes being announced from the RIPE address blocks: 46496 Unique aggregates announced from the RIPE address blocks: 29545 RIPE Region origin ASes present in the Internet Routing Table: 10160 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 5382 RIPE Region transit ASes present in the Internet Routing Table: 1664 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 326064384 Equivalent to 19 /8s, 111 /16s and 89 /24s Percentage of available RIPE address space announced: 74.7
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, 80/4, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 16448 Total LACNIC prefixes after maximum aggregation: 4401 LACNIC Deaggregation factor: 3.74 Prefixes being announced from the LACNIC address blocks: 14524 Unique aggregates announced from the LACNIC address blocks: 7804 LACNIC Region origin ASes present in the Internet Routing Table: 856 LACNIC Prefixes per ASN: 16.97 LACNIC Region origin ASes announcing only one prefix: 276 LACNIC Region transit ASes present in the Internet Routing Table: 147 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC addresses announced to Internet: 42156032 Equivalent to 2 /8s, 131 /16s and 64 /24s Percentage of available LACNIC address space announced: 62.8
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: 2771 Total AfriNIC prefixes after maximum aggregation: 1050 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 2325 Unique aggregates announced from the AfriNIC address blocks: 1333 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 11.34 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 7420160 Equivalent to 0 /8s, 113 /16s and 57 /24s Percentage of available AfriNIC address space announced: 22.1
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 4755 1341 383 73 Videsh Sanchar Nigam Ltd. Aut 4134 1335 11145 287 CHINANET-BACKBONE 9583 1130 100 103 Sify Limited 9498 993 532 66 BHARTI BT INTERNET LTD. 23577 925 34 794 Korea Telecom (ATM-MPLS) 4766 803 5441 319 Korea Telecom (KIX) 17488 796 52 55 Hathway IP Over Cable Interne 7545 732 159 119 TPG Internet Pty Ltd 1221 593 1951 437 Telstra Pty Ltd 18101 592 119 48 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 4538 442 2974 34 China Education and Research 9942 439 75 112 COMindico Australia 4802 433 117 157 Wantree Development 17974 372 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1150 1103 106 Telenor Internet Access 702 490 1905 392 UUNET - Commercial IP service 24863 366 57 39 LINKdotNET AS number 9116 343 168 26 Goldenlines main autonomous s 8551 321 316 40 Bezeq International 3301 314 1456 294 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 1273 287 306 106 Cable & Wireless Deutschland 6746 287 130 263 Dynamic Network Technologies, 5089 279 1658 54 NTL Group Limited 680 265 2061 256 DFN-IP service G-WiN 8220 262 445 244 COLT Telecommunications 8708 262 420 241 Romania Data Systems S.A. 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 3300 201 172 96 AUCS Communications Services 1257 197 1195 168 SWIPnet Swedish IP Network 2856 195 2319 155 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1481 10178 995 AT&T WorldNet Services 4323 1320 992 370 Time Warner Telecom 2386 1216 618 749 AT&T Data Communications Serv 11492 1138 110 11 Cable One 6478 1129 323 166 AT&T Worldnet Services 6197 1032 718 510 BellSouth Network Solutions, 18566 1022 288 9 Covad Communications 174 976 6780 863 Cogent Communications 701 939 6578 718 UUNET Technologies, Inc. 7011 923 279 555 Citizens Utilities 20115 816 750 435 Charter Communications 1239 806 2721 565 Sprint 19262 771 2726 182 Verizon Global Networks 22773 762 2149 50 Cox Communications, Inc. 209 740 3837 586 Qwest 577 708 813 202 Bell Advanced Communications 5668 657 176 23 CenturyTel Internet Holdings, 3356 593 10811 344 Level 3 Communications, LLC 852 589 1095 362 Telus Advanced Communications 6517 589 165 37 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1341 1268 Videsh Sanchar Nigam Ltd. Aut 11492 1138 1127 Cable One 4134 1335 1048 CHINANET-BACKBONE 2119 1150 1044 Telenor Internet Access 9583 1130 1027 Sify Limited 18566 1022 1013 Covad Communications 6478 1129 963 AT&T Worldnet Services 4323 1320 950 Time Warner Telecom 9498 993 927 BHARTI BT INTERNET LTD. 17488 796 741 Hathway IP Over Cable Interne 22773 762 712 Cox Communications, Inc. 8151 907 700 UniNet S.A. de C.V. 5668 657 634 CenturyTel Internet Holdings, 7545 732 613 TPG Internet Pty Ltd 19262 771 589 Verizon Global Networks 6517 589 552 Yipes Communications, Inc. 18101 592 544 Reliance Infocom Ltd Internet 15270 570 532 PaeTec.net -a division of Pae 6197 1032 522 BellSouth Network Solutions, 19916 568 517 OLM LLC
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 129.6.112.0/24 10886 University of Maryla 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 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 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 /15:926 /16:9658 /17:4155 /18:6677 /19:14094 /20:16490 /21:15184 /22:19626 /23:20657 /24:122792 /25:1076 /26:1383 /27:591 /28:264 /29:187 /30:276 /31:5 /32:87
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1130 1138 Cable One 6478 1128 1129 AT&T Worldnet Services 2119 1029 1150 Telenor Internet Access 18566 1004 1022 Covad Communications 9583 966 1130 Sify Limited 23577 916 925 Korea Telecom (ATM-MPLS) 2386 908 1216 AT&T Data Communications Serv 7011 818 923 Citizens Utilities 7018 817 1481 AT&T WorldNet Services 6197 785 1032 BellSouth Network Solutions, 4755 724 1341 Videsh Sanchar Nigam Ltd. Aut 9498 665 993 BHARTI BT INTERNET LTD. 17488 619 796 Hathway IP Over Cable Interne 4766 601 803 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 556 1320 Time Warner Telecom 6517 555 589 Yipes Communications, Inc. 15270 534 570 PaeTec.net -a division of Pae 5668 522 657 CenturyTel Internet Holdings, 4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:88 12:1830 13:2 15:19 16:3 17:3 18:13 20:36 24:986 25:1 32:173 33:3 38:348 40:60 41:321 43:6 44:2 47:4 52:4 55:3 56:3 57:45 58:475 59:392 60:369 61:1032 62:998 63:2014 64:3220 65:2426 66:3421 67:804 68:663 69:1983 70:463 71:115 72:1396 73:2 74:646 75:305 76:128 77:321 78:45 80:845 81:838 82:713 83:390 84:610 85:873 86:341 87:487 88:285 89:967 90:25 91:521 97:5 116:325 117:150 118:1 121:271 122:594 123:168 124:673 125:985 128:275 129:217 130:140 131:363 132:55 133:9 134:197 135:34 136:155 137:84 138:152 139:122 140:500 141:173 142:397 143:256 144:299 145:46 146:328 147:123 148:413 149:147 150:111 151:159 152:91 153:118 154:4 155:262 156:160 157:214 158:158 159:170 160:112 161:99 162:176 163:181 164:485 165:396 166:285 167:296 168:519 169:121 170:387 171:22 172:2 189:71 190:995 192:5810 193:3999 194:3266 195:2401 196:1028 198:3909 199:3285 200:5113 201:1175 202:7433 203:7736 204:3967 205:1983 206:2482 207:2886 208:2826 209:3513 210:2477 211:1134 212:1342 213:1549 214:417 215:41 216:3995 217:1209 218:384 219:386 220:1037 221:419 222:264
End of report
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