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Routing Table Report 00:00 GMT Tue 14 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 213879 Prefixes after maximum aggregation: 112205 Unique aggregates announced to Internet: 98047 Total ASes present in the Internet Routing Table: 23749 Origin-only ASes present in the Internet Routing Table: 20595 Origin ASes announcing only one prefix: 9934 Transit ASes present in the Internet Routing Table: 3154 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 16 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1652049788 Equivalent to 98 /8s, 120 /16s and 71 /24s Percentage of available address space announced: 44.6 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 111111
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46059 Total APNIC prefixes after maximum aggregation: 18455 Prefixes being announced from the APNIC address blocks: 43543 Unique aggregates announced from the APNIC address blocks: 18404 APNIC Region origin ASes present in the Internet Routing Table: 2772 APNIC Region origin ASes announcing only one prefix: 770 APNIC Region transit ASes present in the Internet Routing Table: 425 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 268684496 Equivalent to 16 /8s, 3 /16s and 204 /24s Percentage of available APNIC address space announced: 84.0
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: 108858 Total ARIN prefixes after maximum aggregation: 61336 Prefixes being announced from the ARIN address blocks: 80983 Unique aggregates announced from the ARIN address blocks: 28249 ARIN Region origin ASes present in the Internet Routing Table: 11160 ARIN Region origin ASes announcing only one prefix: 4237 ARIN Region transit ASes present in the Internet Routing Table: 1091 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 310568928 Equivalent to 18 /8s, 130 /16s and 231 /24s Percentage of available ARIN address space announced: 68.6
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: 43245 Total RIPE prefixes after maximum aggregation: 27598 Prefixes being announced from the RIPE address blocks: 40282 Unique aggregates announced from the RIPE address blocks: 25642 RIPE Region origin ASes present in the Internet Routing Table: 8819 RIPE Region origin ASes announcing only one prefix: 4634 RIPE Region transit ASes present in the Internet Routing Table: 1441 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 274797184 Equivalent to 16 /8s, 97 /16s and 18 /24s Percentage of available RIPE address space announced: 74.5
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: 13236 Total LACNIC prefixes after maximum aggregation: 3859 Prefixes being announced from the LACNIC address blocks: 11241 Unique aggregates announced from the LACNIC address blocks: 6482 LACNIC Region origin ASes present in the Internet Routing Table: 750 LACNIC Region origin ASes announcing only one prefix: 245 LACNIC Region transit ASes present in the Internet Routing Table: 132 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 34164480 Equivalent to 2 /8s, 9 /16s and 79 /24s Percentage of available LACNIC address space announced: 50.9
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: 2460 Total AfriNIC prefixes after maximum aggregation: 957 Prefixes being announced from the AfriNIC address blocks: 1744 Unique aggregates announced from the AfriNIC address blocks: 990 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: 27 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 4488960 Equivalent to 0 /8s, 68 /16s and 127 /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 8487 248 CHINANET-BACKBONE 4755 1034 383 66 Videsh Sanchar Nigam Ltd. Aut 9583 961 109 15 Sify Limited 9498 875 212 64 BHARTI BT INTERNET LTD. 23577 778 35 708 KRNIC 4766 738 4949 306 Korea Telecom (KIX) 4538 675 2846 35 China Education and Research 1221 620 1730 457 Telstra Pty Ltd 17488 546 34 15 Hathway IP Over Cable Interne 7545 545 124 71 TPG Internet Pty Ltd 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 440 82 131 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 414 86 151 Wantree Development 17974 369 129 12 PT TELEKOMUNIKASI INDONESIA 7474 367 210 226 SingTel Optus Pty Ltd 17557 367 32 177 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 551 1929 430 UUNET - Commercial IP service 3292 467 1145 116 TDC Tele Danmark 3215 404 1964 93 France Telecom Transpac 24863 376 44 14 LINKdotNET AS number 3301 312 1200 296 TeliaNet Sweden 3320 299 5008 247 Deutsche Telekom AG 8220 276 472 263 COLT Telecommunications 6746 258 92 235 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 235 475 221 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 183 171 98 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 767 UUNET Technologies, Inc. 7018 1533 6164 975 AT&T WorldNet Services 705 1440 556 639 UUNET Technologies, Inc. 2386 1112 570 741 AT&T Data Communications Serv 4323 1043 788 296 Time Warner Telecom 6197 1021 614 497 BellSouth Network Solutions, 18566 975 272 8 Covad Communications 174 962 6824 886 Cogent Communications 721 856 21909 305 DLA Systems Automation Center 1239 833 2747 584 Sprint 7046 818 252 670 UUNET Technologies, Inc. 11492 803 98 15 Cable One 19262 782 2426 177 Verizon Global Networks 20115 759 682 408 Charter Communications 22773 712 1743 39 Cox Communications, Inc. 209 703 3775 552 Qwest 7011 690 213 431 Citizens Utilities 852 607 1087 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 5668 550 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1259 1011 CHINANET-BACKBONE 4755 1034 968 Videsh Sanchar Nigam Ltd. Aut 18566 975 967 Covad Communications 9583 961 946 Sify Limited 9498 875 811 BHARTI BT INTERNET LTD. 705 1440 801 UUNET Technologies, Inc. 11492 803 788 Cable One 4323 1043 747 Time Warner Telecom 22773 712 673 Cox Communications, Inc. 4538 675 640 China Education and Research 19262 782 605 Verizon Global Networks 7018 1533 558 AT&T WorldNet Services 8151 772 554 UniNet S.A. de C.V. 721 856 551 DLA Systems Automation Center 5668 550 531 CenturyTel Internet Holdings, 17488 546 531 Hathway IP Over Cable Interne 6197 1021 524 BellSouth Network Solutions, 19916 565 511 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 545 474 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 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 198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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 /12:112 /13:228 /14:399 /15:803 /16:9115 /17:3650 /18:5913 /19:12876 /20:14524 /21:12996 /22:16707 /23:18207 /24:115307 /25:745 /26:539 /27:467 /28:228 /29:224 /30:673 /31:3 /32:90
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3649 4896 UUNET Technologies, Inc. 18566 958 975 Covad Communications 705 901 1440 UUNET Technologies, Inc. 2386 829 1112 AT&T Data Communications Serv 7018 811 1533 AT&T WorldNet Services 6197 801 1021 BellSouth Network Solutions, 11492 789 803 Cable One 9583 788 961 Sify Limited 23577 764 778 KRNIC 7011 595 690 Citizens Utilities 7046 570 818 UUNET Technologies, Inc. 19916 559 565 OLM LLC 4766 547 738 Korea Telecom (KIX) 9498 530 875 BHARTI BT INTERNET LTD. 4755 464 1034 Videsh Sanchar Nigam Ltd. Aut 15270 451 482 PaeTec.net -a division of Pae 855 435 539 Canadian Research Network 5668 426 550 CenturyTel Internet Holdings, 17849 416 430 Telecommunications Technology 1239 410 833 Sprint
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:58 12:1660 13:1 15:15 16:3 17:3 18:4 20:39 24:840 25:1 32:176 38:266 40:57 41:19 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:267 59:340 60:206 61:951 62:1173 63:3354 64:3283 65:3617 66:3132 67:673 68:654 69:1706 70:407 71:109 72:1013 74:112 75:29 76:44 80:845 81:747 82:664 83:379 84:473 85:735 86:417 87:418 88:243 89:611 91:83 121:69 122:25 123:3 124:437 125:700 128:294 129:195 130:125 131:314 132:35 133:11 134:176 135:49 136:179 137:114 138:209 139:99 140:522 141:134 142:367 143:193 144:251 145:67 146:331 147:145 148:367 149:175 150:116 151:118 152:81 153:121 154:6 155:261 156:148 157:145 158:151 159:172 160:97 161:90 162:214 163:150 164:283 165:236 166:243 167:269 168:487 169:124 170:389 171:11 172:1 190:284 192:5825 193:3600 194:2822 195:2257 196:958 198:3945 199:3382 200:4572 201:945 202:7083 203:7129 204:4076 205:2215 206:2639 207:3157 208:3040 209:3696 210:2239 211:984 212:1423 213:1499 214:379 215:39 216:4306 217:1375 218:366 219:289 220:800 221:316 222:259
End of report
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