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Routing Table Report 00:00 GMT Mon 13 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 213906 Prefixes after maximum aggregation: 112048 Unique aggregates announced to Internet: 98125 Total ASes present in the Internet Routing Table: 23729 Origin-only ASes present in the Internet Routing Table: 20599 Origin ASes announcing only one prefix: 9928 Transit ASes present in the Internet Routing Table: 3130 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 38 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 24 Unregistered ASNs in the Routing Table: 16 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1649854268 Equivalent to 98 /8s, 86 /16s and 199 /24s Percentage of available address space announced: 44.5 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 111023
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46338 Total APNIC prefixes after maximum aggregation: 18422 Prefixes being announced from the APNIC address blocks: 43840 Unique aggregates announced from the APNIC address blocks: 18559 APNIC Region origin ASes present in the Internet Routing Table: 2771 APNIC Region origin ASes announcing only one prefix: 777 APNIC Region transit ASes present in the Internet Routing Table: 433 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 268451024 Equivalent to 16 /8s, 0 /16s and 60 /24s Percentage of available APNIC address space announced: 83.9
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, 121/8, 122/7, 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: 108817 Total ARIN prefixes after maximum aggregation: 61291 Prefixes being announced from the ARIN address blocks: 80959 Unique aggregates announced from the ARIN address blocks: 28210 ARIN Region origin ASes present in the Internet Routing Table: 11151 ARIN Region origin ASes announcing only one prefix: 4230 ARIN Region transit ASes present in the Internet Routing Table: 1073 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 309417440 Equivalent to 18 /8s, 113 /16s and 85 /24s Percentage of available ARIN address space announced: 68.3
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: 43037 Total RIPE prefixes after maximum aggregation: 27513 Prefixes being announced from the RIPE address blocks: 40119 Unique aggregates announced from the RIPE address blocks: 25607 RIPE Region origin ASes present in the Internet Routing Table: 8813 RIPE Region origin ASes announcing only one prefix: 4629 RIPE Region transit ASes present in the Internet Routing Table: 1427 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 274639680 Equivalent to 16 /8s, 94 /16s and 171 /24s Percentage of available RIPE address space announced: 74.4
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 40960-41983 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 13246 Total LACNIC prefixes after maximum aggregation: 3849 Prefixes being announced from the LACNIC address blocks: 11229 Unique aggregates announced from the LACNIC address blocks: 6485 LACNIC Region origin ASes present in the Internet Routing Table: 748 LACNIC Region origin ASes announcing only one prefix: 244 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 38 Number of LACNIC addresses announced to Internet: 34032384 Equivalent to 2 /8s, 7 /16s and 75 /24s Percentage of available LACNIC address space announced: 50.7
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: 2445 Total AfriNIC prefixes after maximum aggregation: 973 Prefixes being announced from the AfriNIC address blocks: 1721 Unique aggregates announced from the AfriNIC address blocks: 974 AfriNIC Region origin ASes present in the Internet Routing Table: 167 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 4485632 Equivalent to 0 /8s, 68 /16s and 114 /24s Percentage of available AfriNIC address space announced: 13.4
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 1259 8481 248 CHINANET-BACKBONE 4755 1024 383 59 Videsh Sanchar Nigam Ltd. Aut 9583 966 109 15 Sify Limited 9498 875 212 64 BHARTI BT INTERNET LTD. 23577 778 35 708 KRNIC 4766 738 4949 306 Korea Telecom (KIX) 4538 674 2846 35 China Education and Research 1221 645 1780 479 Telstra Pty Ltd 7545 546 124 73 TPG Internet Pty Ltd 17488 546 34 15 Hathway IP Over Cable Interne 17676 500 10934 64 Softbank BB Corp. 18101 475 86 22 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 4812 440 749 63 China Telecom (Shanghai) 9942 439 81 130 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 414 86 151 Wantree Development 17557 369 32 176 Pakistan Telecom 7474 368 210 227 SingTel Optus Pty Ltd 17974 368 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 549 1913 428 UUNET - Commercial IP service 3292 467 1145 116 TDC Tele Danmark 3215 404 1964 93 France Telecom Transpac 24863 377 44 14 LINKdotNET AS number 3301 312 1200 296 TeliaNet Sweden 3320 297 5008 245 Deutsche Telekom AG 8220 277 472 264 COLT Telecommunications 6746 259 92 236 Dynamic Network Technologies, 1257 255 1072 175 SWIPnet Swedish IP Network 680 250 2041 246 DFN-IP service G-WiN 5089 245 1657 52 NTL Group Limited 3246 234 475 220 Song Networks 9116 229 134 23 Goldenlines main autonomous s 8708 222 279 209 Romania Data Systems S.A. 8551 216 198 28 Bezeq International 3269 208 2357 75 TELECOM ITALIA 30890 202 18 80 SC Kappa Invexim SRL 5416 189 13 9 BATELCO-BH 3300 181 171 96 AUCS Communications Services 6830 174 695 38 UPC Distribution Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4896 6704 768 UUNET Technologies, Inc. 7018 1534 6164 977 AT&T WorldNet Services 705 1441 556 640 UUNET Technologies, Inc. 2386 1111 570 737 AT&T Data Communications Serv 4323 1041 788 296 Time Warner Telecom 6197 1021 613 497 BellSouth Network Solutions, 18566 975 272 8 Covad Communications 174 973 6841 896 Cogent Communications 721 855 21925 306 DLA Systems Automation Center 1239 844 2748 590 Sprint 7046 826 252 676 UUNET Technologies, Inc. 11492 803 98 15 Cable One 19262 782 2426 177 Verizon Global Networks 20115 760 682 403 Charter Communications 22773 714 1743 41 Cox Communications, Inc. 209 703 3775 551 Qwest 7011 646 204 419 Citizens Utilities 852 607 1087 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 5668 549 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1259 1011 CHINANET-BACKBONE 18566 975 967 Covad Communications 4755 1024 965 Videsh Sanchar Nigam Ltd. Aut 9583 966 951 Sify Limited 9498 875 811 BHARTI BT INTERNET LTD. 705 1441 801 UUNET Technologies, Inc. 11492 803 788 Cable One 4323 1041 745 Time Warner Telecom 22773 714 673 Cox Communications, Inc. 4538 674 639 China Education and Research 19262 782 605 Verizon Global Networks 7018 1534 557 AT&T WorldNet Services 8151 771 553 UniNet S.A. de C.V. 721 855 549 DLA Systems Automation Center 17488 546 531 Hathway IP Over Cable Interne 5668 549 530 CenturyTel Internet Holdings, 6197 1021 524 BellSouth Network Solutions, 19916 565 511 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 546 473 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65010 PRIVATE 135.196.7.112/29 8190 VIATEL 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 203.98.210.64/27 1803 SPRINT 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 65016 PRIVATE 212.2.26.64/29 8190 VIATEL 65016 PRIVATE 212.2.31.184/30 8190 VIATEL 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 65018 PRIVATE 213.235.24.216/29 8190 VIATEL 65010 PRIVATE 213.235.29.224/29 8190 VIATEL 65013 PRIVATE 213.235.33.0/27 8190 VIATEL 65017 PRIVATE 213.235.48.96/28 8190 VIATEL 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 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 192.0.2.0/24 812 Rogers WAVE 192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 192.44.0.0/24 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 /8:20 /9:10 /10:13 /11:30 /12:111 /13:227 /14:399 /15:800 /16:9101 /17:3644 /18:5906 /19:12863 /20:14517 /21:13042 /22:16702 /23:18169 /24:115375 /25:748 /26:540 /27:467 /28:231 /29:225 /30:674 /31:3 /32:89
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3647 4896 UUNET Technologies, Inc. 18566 958 975 Covad Communications 705 902 1441 UUNET Technologies, Inc. 2386 831 1111 AT&T Data Communications Serv 7018 811 1534 AT&T WorldNet Services 6197 801 1021 BellSouth Network Solutions, 9583 793 966 Sify Limited 11492 789 803 Cable One 23577 764 778 KRNIC 7046 576 826 UUNET Technologies, Inc. 19916 559 565 OLM LLC 7011 557 646 Citizens Utilities 4766 547 738 Korea Telecom (KIX) 9498 532 875 BHARTI BT INTERNET LTD. 4755 460 1024 Videsh Sanchar Nigam Ltd. Aut 15270 451 482 PaeTec.net -a division of Pae 855 435 539 Canadian Research Network 5668 426 549 CenturyTel Internet Holdings, 1239 416 844 Sprint 17849 416 430 Telecommunications Technology
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:58 12:1659 13:1 15:15 16:3 17:3 18:4 20:39 24:839 25:1 32:177 38:266 40:57 41:18 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:267 59:343 60:213 61:960 62:1172 63:3357 64:3293 65:3611 66:3131 67:674 68:654 69:1705 70:406 71:109 72:1011 74:106 75:30 76:44 80:855 81:738 82:661 83:384 84:453 85:733 86:419 87:418 88:243 89:577 91:83 121:69 122:24 123:3 124:437 125:698 128:292 129:205 130:125 131:314 132:33 133:11 134:175 135:49 136:179 137:114 138:208 139:99 140:523 141:135 142:367 143:192 144:251 145:43 146:332 147:145 148:366 149:179 150:116 151:118 152:81 153:121 154:6 155:261 156:148 157:164 158:151 159:173 160:96 161:90 162:214 163:151 164:283 165:236 166:243 167:269 168:487 169:124 170:368 171:11 172:1 190:284 192:5828 193:3592 194:2819 195:2234 196:937 198:3958 199:3386 200:4571 201:946 202:7143 203:7186 204:4077 205:2221 206:2630 207:3158 208:3039 209:3696 210:2239 211:985 212:1417 213:1500 214:378 215:38 216:4313 217:1364 218:366 219:291 220:796 221:372 222:259
End of report
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