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Routing Table Report 00:00 GMT Sun 12 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 213577 Prefixes after maximum aggregation: 111980 Unique aggregates announced to Internet: 97967 Total ASes present in the Internet Routing Table: 23698 Origin-only ASes present in the Internet Routing Table: 20558 Origin ASes announcing only one prefix: 9927 Transit ASes present in the Internet Routing Table: 3140 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: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 30 Unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1632238780 Equivalent to 97 /8s, 73 /16s and 252 /24s Percentage of available address space announced: 44.0 Percentage of allocated address space announced: 60.9 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 110800
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46293 Total APNIC prefixes after maximum aggregation: 18436 Prefixes being announced from the APNIC address blocks: 43789 Unique aggregates announced from the APNIC address blocks: 18513 APNIC Region origin ASes present in the Internet Routing Table: 2766 APNIC Region origin ASes announcing only one prefix: 775 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: 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: 108787 Total ARIN prefixes after maximum aggregation: 61324 Prefixes being announced from the ARIN address blocks: 80917 Unique aggregates announced from the ARIN address blocks: 28215 ARIN Region origin ASes present in the Internet Routing Table: 11160 ARIN Region origin ASes announcing only one prefix: 4243 ARIN Region transit ASes present in the Internet Routing Table: 1060 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 31 Number of ARIN addresses announced to Internet: 309391328 Equivalent to 18 /8s, 112 /16s and 239 /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: 42787 Total RIPE prefixes after maximum aggregation: 27407 Prefixes being announced from the RIPE address blocks: 39898 Unique aggregates announced from the RIPE address blocks: 25504 RIPE Region origin ASes present in the Internet Routing Table: 8776 RIPE Region origin ASes announcing only one prefix: 4613 RIPE Region transit ASes present in the Internet Routing Table: 1456 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 273794752 Equivalent to 16 /8s, 81 /16s and 198 /24s Percentage of available RIPE address space announced: 74.2
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: 13257 Total LACNIC prefixes after maximum aggregation: 3852 Prefixes being announced from the LACNIC address blocks: 11229 Unique aggregates announced from the LACNIC address blocks: 6482 LACNIC Region origin ASes present in the Internet Routing Table: 751 LACNIC Region origin ASes announcing only one prefix: 246 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 34021120 Equivalent to 2 /8s, 7 /16s and 31 /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: 2424 Total AfriNIC prefixes after maximum aggregation: 961 Prefixes being announced from the AfriNIC address blocks: 1729 Unique aggregates announced from the AfriNIC address blocks: 982 AfriNIC Region origin ASes present in the Internet Routing Table: 166 AfriNIC Region origin ASes announcing only one prefix: 50 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 4479744 Equivalent to 0 /8s, 68 /16s and 91 /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 1030 383 64 Videsh Sanchar Nigam Ltd. Aut 9583 965 109 15 Sify Limited 9498 873 212 63 BHARTI BT INTERNET LTD. 23577 774 34 705 KRNIC 4766 738 4949 306 Korea Telecom (KIX) 4538 674 2846 35 China Education and Research 1221 645 1780 479 Telstra Pty Ltd 7545 547 124 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 439 749 62 China Telecom (Shanghai) 9942 439 80 131 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 414 86 152 Wantree Development 17557 367 32 178 Pakistan Telecom 7474 366 210 227 SingTel Optus Pty Ltd 17974 363 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 545 1912 424 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 308 5017 249 Deutsche Telekom AG 8220 275 468 262 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 235 475 221 Song Networks 9116 226 134 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 4902 6705 771 UUNET Technologies, Inc. 7018 1540 6180 984 AT&T WorldNet Services 705 1440 556 639 UUNET Technologies, Inc. 2386 1113 570 738 AT&T Data Communications Serv 4323 1039 788 296 Time Warner Telecom 6197 1020 613 497 BellSouth Network Solutions, 18566 975 272 8 Covad Communications 174 969 6840 892 Cogent Communications 721 855 21925 306 DLA Systems Automation Center 1239 844 2749 590 Sprint 7046 825 252 674 UUNET Technologies, Inc. 11492 803 96 20 Cable One 19262 779 2378 175 Verizon Global Networks 20115 759 682 408 Charter Communications 22773 716 1744 42 Cox Communications, Inc. 209 703 3775 551 Qwest 7011 680 213 430 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 1030 966 Videsh Sanchar Nigam Ltd. Aut 9583 965 950 Sify Limited 9498 873 810 BHARTI BT INTERNET LTD. 705 1440 801 UUNET Technologies, Inc. 11492 803 783 Cable One 4323 1039 743 Time Warner Telecom 22773 716 674 Cox Communications, Inc. 4538 674 639 China Education and Research 19262 779 604 Verizon Global Networks 7018 1540 556 AT&T WorldNet Services 8151 770 551 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 1020 523 BellSouth Network Solutions, 19916 565 511 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 547 474 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 64513 PRIVATE 164.78.0.0/17 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.0.0/16 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.128.0/17 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.247.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.248.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.249.0/24 7610 SINGAPORE ADVANCE RE 64513 PRIVATE 164.78.252.0/24 7610 SINGAPORE ADVANCE RE 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 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 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 /8:19 /9:10 /10:13 /11:30 /12:111 /13:227 /14:399 /15:796 /16:9101 /17:3646 /18:5902 /19:12842 /20:14492 /21:13028 /22:16680 /23:18133 /24:115182 /25:748 /26:540 /27:461 /28:227 /29:225 /30:674 /31:3 /32:88
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3650 4902 UUNET Technologies, Inc. 18566 958 975 Covad Communications 705 900 1440 UUNET Technologies, Inc. 2386 832 1113 AT&T Data Communications Serv 7018 815 1540 AT&T WorldNet Services 6197 800 1020 BellSouth Network Solutions, 9583 792 965 Sify Limited 11492 789 803 Cable One 23577 760 774 KRNIC 7011 586 680 Citizens Utilities 7046 573 825 UUNET Technologies, Inc. 19916 559 565 OLM LLC 4766 547 738 Korea Telecom (KIX) 9498 531 873 BHARTI BT INTERNET LTD. 4755 461 1030 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 12:1658 13:1 15:16 16:3 17:3 18:4 20:39 24:833 25:1 32:177 38:266 40:57 41:19 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:267 59:343 60:220 61:961 62:1159 63:3360 64:3290 65:3601 66:3128 67:676 68:654 69:1703 70:407 71:109 72:1010 74:111 75:30 76:44 80:861 81:735 82:660 83:384 84:452 85:726 86:419 87:418 88:243 89:573 91:83 121:69 122:24 123:3 124:436 125:698 128:293 129:205 130:125 131:314 132:35 133:11 134:176 135:49 136:173 137:114 138:197 139:99 140:521 141:135 142:365 143:193 144:251 145:43 146:332 147:145 148:363 149:179 150:116 151:118 152:81 153:121 154:5 155:261 156:148 157:164 158:152 159:173 160:97 161:90 162:214 163:148 164:283 165:236 166:243 167:269 168:487 169:124 170:381 171:11 172:1 190:284 192:5821 193:3571 194:2803 195:2219 196:945 198:3957 199:3375 200:4574 201:947 202:7095 203:7177 204:4078 205:2218 206:2637 207:3159 208:3037 209:3696 210:2237 211:983 212:1406 213:1490 214:378 215:38 216:4302 217:1343 218:366 219:291 220:809 221:372 222:259
End of report
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