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Routing Table Report 08:00 +10GMT Sun 06 Nov, 2011
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 374798 Prefixes after maximum aggregation: 164627 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 187160 Total ASes present in the Internet Routing Table: 37479 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32330 Origin ASes announcing only one prefix: 15484 Transit ASes present in the Internet Routing Table: 5149 Transit-only ASes present in the Internet Routing Table: 128 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 2353 Unregistered ASNs in the Routing Table: 927 Number of 32-bit ASNs allocated by the RIRs: 1930 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3675 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 85 Number of addresses announced to Internet: 2507206144 Equivalent to 149 /8s, 112 /16s and 238 /24s Percentage of available address space announced: 67.6 Percentage of allocated address space announced: 67.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.6 Total number of prefixes smaller than registry allocations: 156731
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 89723 Total APNIC prefixes after maximum aggregation: 29738 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 87126 Unique aggregates announced from the APNIC address blocks: 38258 APNIC Region origin ASes present in the Internet Routing Table: 4551 APNIC Prefixes per ASN: 19.14 APNIC Region origin ASes announcing only one prefix: 1286 APNIC Region transit ASes present in the Internet Routing Table: 693 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 629322496 Equivalent to 37 /8s, 130 /16s and 179 /24s Percentage of available APNIC address space announced: 79.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 144646 Total ARIN prefixes after maximum aggregation: 74011 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116879 Unique aggregates announced from the ARIN address blocks: 48476 ARIN Region origin ASes present in the Internet Routing Table: 14661 ARIN Prefixes per ASN: 7.97 ARIN Region origin ASes announcing only one prefix: 5626 ARIN Region transit ASes present in the Internet Routing Table: 1490 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 804739328 Equivalent to 47 /8s, 247 /16s and 89 /24s Percentage of available ARIN address space announced: 64.0
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, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 92160 Total RIPE prefixes after maximum aggregation: 50971 RIPE Deaggregation factor: 1.81 Prefixes being announced from the RIPE address blocks: 84575 Unique aggregates announced from the RIPE address blocks: 54487 RIPE Region origin ASes present in the Internet Routing Table: 16074 RIPE Prefixes per ASN: 5.26 RIPE Region origin ASes announcing only one prefix: 7968 RIPE Region transit ASes present in the Internet Routing Table: 2520 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 491674368 Equivalent to 29 /8s, 78 /16s and 91 /24s Percentage of available RIPE address space announced: 79.2
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 40960-45055, 47104-52223, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 35364 Total LACNIC prefixes after maximum aggregation: 7807 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 34947 Unique aggregates announced from the LACNIC address blocks: 18551 LACNIC Region origin ASes present in the Internet Routing Table: 1525 LACNIC Prefixes per ASN: 22.92 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 267 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 92799488 Equivalent to 5 /8s, 136 /16s and 2 /24s Percentage of available LACNIC address space announced: 61.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 8541 Total AfriNIC prefixes after maximum aggregation: 2024 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 6619 Unique aggregates announced from the AfriNIC address blocks: 1986 AfriNIC Region origin ASes present in the Internet Routing Table: 496 AfriNIC Prefixes per ASN: 13.34 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 109 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 27601920 Equivalent to 1 /8s, 165 /16s and 44 /24s Percentage of available AfriNIC address space announced: 41.1
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1948 11121 665 Korea Telecom (KIX) 7545 1610 303 86 TPG Internet Pty Ltd 17974 1604 511 36 PT Telekomunikasi Indonesia 4755 1499 377 172 TATA Communications formerly 9829 1166 989 28 National Internet Backbone 9583 1093 80 501 Sify Limited 7552 987 1062 11 Vietel Corporation 4808 973 2009 278 CNCGROUP IP network China169 24560 964 343 218 Bharti Airtel Ltd., Telemedia 18101 955 135 150 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3548 3815 222 BellSouth.net Inc. 7029 2370 1042 211 Windstream Communications Inc 18566 2094 382 176 Covad Communications Co. 1785 1847 680 122 PaeTec Communications, Inc. 4323 1621 1093 388 tw telecom holdings, inc. 20115 1595 1547 621 Charter Communications 22773 1487 2909 103 Cox Communications Inc. 30036 1404 253 671 Mediacom Communications Corp 19262 1395 4728 400 Verizon Online LLC 7018 1323 7063 869 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8402 1445 416 14 Corbina telecom 6830 647 1927 412 UPC Broadband 34984 595 110 183 BILISIM TELEKOM 20940 551 182 433 Akamai Technologies European 12479 547 628 51 France Telecom Espana SA 9116 541 326 31 Goldenlines main autonomous s 3320 507 8169 387 Deutsche Telekom AG 3292 483 2074 408 TDC Data Networks 8866 461 133 26 Bulgarian Telecommunication C 31148 406 22 114 FreeNet ISP
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 10620 1699 314 156 Types of queries are: POCs, o 28573 1474 1043 79 Types of queries are: POCs, o 8151 1289 2918 343 Uninet S.A. de C.V. 7303 1236 751 171 Telecom Argentina S.A. 22047 580 322 17 Types of queries are: POCs, o 27947 580 72 85 Telconet S.A 6503 555 434 69 Axtel, S.A.B. de C.V. 7738 553 1050 31 Telecomunicacoes da Bahia S.A 3816 540 233 95 Types of queries are: POCs, o 11172 525 102 98 Alestra, S. de R.L. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 797 146 33 LINKdotNET AS number 8452 652 446 12 TEDATA 15475 455 74 8 Nile Online 36992 284 415 20 Etisalat MISR 3741 281 939 230 The Internet Solution 15706 240 32 6 Sudatel Internet Exchange Aut 6713 235 519 14 Itissalat Al-MAGHRIB 33776 220 12 12 Starcomms Nigeria Limited 29571 218 17 13 Ci Telecom Autonomous system 12258 197 28 58 Vodacom Internet Company
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3548 3815 222 BellSouth.net Inc. 7029 2370 1042 211 Windstream Communications Inc 18566 2094 382 176 Covad Communications Co. 4766 1948 11121 665 Korea Telecom (KIX) 1785 1847 680 122 PaeTec Communications, Inc. 10620 1699 314 156 Types of queries are: POCs, o 4323 1621 1093 388 tw telecom holdings, inc. 7545 1610 303 86 TPG Internet Pty Ltd 17974 1604 511 36 PT Telekomunikasi Indonesia 20115 1595 1547 621 Charter Communications
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7029 2370 2159 Windstream Communications Inc 18566 2094 1918 Covad Communications Co. 1785 1847 1725 PaeTec Communications, Inc. 17974 1604 1568 PT Telekomunikasi Indonesia 10620 1699 1543 Types of queries are: POCs, o 7545 1610 1524 TPG Internet Pty Ltd 8402 1445 1431 Corbina telecom 28573 1474 1395 Types of queries are: POCs, o 22773 1487 1384 Cox Communications Inc. 4755 1499 1327 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 128.0.0.0/16 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 37345 MEDALLION Communications 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV 62.61.221.0/24 24974 Tachyon Europe BV
Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:12 /10:27 /11:81 /12:237 /13:465 /14:807 /15:1417 /16:11982 /17:6039 /18:10033 /19:20038 /20:27524 /21:27605 /22:36868 /23:34882 /24:196234 /25:12 /26:21 /27:22 /28:154 /29:126 /30:63 /31:0 /32:129
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2187 3548 BellSouth.net Inc. 18566 2044 2094 Covad Communications Co. 7029 2022 2370 Windstream Communications Inc 10620 1594 1699 Types of queries are: POCs, o 8402 1420 1445 Corbina telecom 30036 1364 1404 Mediacom Communications Corp 11492 1117 1154 CABLE ONE, INC. 1785 1057 1847 PaeTec Communications, Inc. 7011 1051 1169 Frontier Communications of Am 22773 949 1487 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:417 2:476 4:15 5:1 6:3 8:357 12:1954 13:1 14:530 15:11 16:3 17:7 20:9 23:58 24:1678 27:1021 31:664 32:60 33:2 34:2 36:4 38:750 40:110 41:2686 42:55 44:3 46:1027 47:3 49:295 50:444 52:13 55:7 56:2 57:43 58:856 59:484 60:359 61:1028 62:1097 63:1958 64:4021 65:2301 66:4263 67:2003 68:1163 69:3181 70:879 71:385 72:1803 74:2603 75:388 76:316 77:963 78:867 79:471 80:1120 81:819 82:525 83:526 84:620 85:1151 86:406 87:974 88:357 89:1591 90:237 91:4253 92:536 93:1536 94:1301 95:1073 96:422 97:286 98:935 99:37 101:106 103:429 106:8 107:84 108:72 109:1152 110:639 111:794 112:334 113:466 114:608 115:678 116:865 117:696 118:869 119:1225 120:342 121:669 122:1560 123:1010 124:1294 125:1302 128:211 129:181 130:158 131:623 132:142 133:21 134:213 135:54 136:210 137:139 138:286 139:120 140:459 141:316 142:371 143:407 144:473 145:62 146:459 147:224 148:615 149:266 150:164 151:194 152:445 153:178 154:6 155:386 156:205 157:329 158:154 159:417 160:333 161:204 162:368 163:163 164:507 165:367 166:540 167:441 168:804 169:144 170:880 171:87 172:4 173:1710 174:678 175:400 176:280 177:372 178:1083 180:1134 181:38 182:638 183:212 184:388 185:1 186:1326 187:787 188:1059 189:1146 190:5134 192:5879 193:5049 194:3557 195:3130 196:1251 197:168 198:3575 199:4165 200:5439 201:1689 202:8208 203:8377 204:4235 205:2348 206:2586 207:2752 208:4028 209:3551 210:2640 211:1448 212:2099 213:1783 214:808 215:94 216:4890 217:1597 218:555 219:335 220:1214 221:501 222:296 223:264
End of report
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