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Routing Table Report 08:00 +10GMT Sat 03 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 392657 Prefixes after maximum aggregation: 168331 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 193789 Total ASes present in the Internet Routing Table: 38082 Prefixes per ASN: 10.31 Origin-only ASes present in the Internet Routing Table: 32818 Origin ASes announcing only one prefix: 15535 Transit ASes present in the Internet Routing Table: 5264 Transit-only ASes present in the Internet Routing Table: 131 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: 1147 Unregistered ASNs in the Routing Table: 206 Number of 32-bit ASNs allocated by the RIRs: 2307 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4851 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 434 Number of addresses announced to Internet: 2541245696 Equivalent to 151 /8s, 120 /16s and 85 /24s Percentage of available address space announced: 68.6 Percentage of allocated address space announced: 68.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 165363
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 92801 Total APNIC prefixes after maximum aggregation: 30511 APNIC Deaggregation factor: 3.04 Prefixes being announced from the APNIC address blocks: 90163 Unique aggregates announced from the APNIC address blocks: 39434 APNIC Region origin ASes present in the Internet Routing Table: 4611 APNIC Prefixes per ASN: 19.55 APNIC Region origin ASes announcing only one prefix: 1255 APNIC Region transit ASes present in the Internet Routing Table: 703 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 640992000 Equivalent to 38 /8s, 52 /16s and 195 /24s Percentage of available APNIC address space announced: 81.3
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: 147134 Total ARIN prefixes after maximum aggregation: 74938 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119078 Unique aggregates announced from the ARIN address blocks: 49509 ARIN Region origin ASes present in the Internet Routing Table: 14860 ARIN Prefixes per ASN: 8.01 ARIN Region origin ASes announcing only one prefix: 5677 ARIN Region transit ASes present in the Internet Routing Table: 1511 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 805347328 Equivalent to 48 /8s, 0 /16s and 160 /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: 100203 Total RIPE prefixes after maximum aggregation: 52717 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 91783 Unique aggregates announced from the RIPE address blocks: 56726 RIPE Region origin ASes present in the Internet Routing Table: 16332 RIPE Prefixes per ASN: 5.62 RIPE Region origin ASes announcing only one prefix: 8003 RIPE Region transit ASes present in the Internet Routing Table: 2576 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 501260032 Equivalent to 29 /8s, 224 /16s and 159 /24s Percentage of available RIPE address space announced: 80.7
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 40960-45055, 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: 38181 Total LACNIC prefixes after maximum aggregation: 7975 LACNIC Deaggregation factor: 4.79 Prefixes being announced from the LACNIC address blocks: 38030 Unique aggregates announced from the LACNIC address blocks: 19594 LACNIC Region origin ASes present in the Internet Routing Table: 1562 LACNIC Prefixes per ASN: 24.35 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 276 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 97795072 Equivalent to 5 /8s, 212 /16s and 60 /24s Percentage of available LACNIC address space announced: 64.8
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: 8745 Total AfriNIC prefixes after maximum aggregation: 2083 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 6777 Unique aggregates announced from the AfriNIC address blocks: 2133 AfriNIC Region origin ASes present in the Internet Routing Table: 516 AfriNIC Prefixes per ASN: 13.13 AfriNIC Region origin ASes announcing only one prefix: 165 AfriNIC Region transit ASes present in the Internet Routing Table: 121 Average AfriNIC Region AS path length visible: 3.4 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: 31562496 Equivalent to 1 /8s, 225 /16s and 155 /24s Percentage of available AfriNIC address space announced: 47.0
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 1925 11104 676 Korea Telecom (KIX) 17974 1653 503 37 PT Telekomunikasi Indonesia 7545 1643 303 88 TPG Internet Pty Ltd 4755 1545 386 160 TATA Communications formerly 9829 1182 997 29 National Internet Backbone 9583 1131 83 481 Sify Limited 7552 1090 1062 11 Vietel Corporation 24560 1009 385 167 Bharti Airtel Ltd., Telemedia 4808 979 1946 279 CNCGROUP IP network China169 18101 950 130 155 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 7029 3450 1040 172 Windstream Communications Inc 6389 3420 3807 199 BellSouth.net Inc. 18566 2091 382 177 Covad Communications Co. 1785 1879 680 126 PaeTec Communications, Inc. 20115 1630 1550 632 Charter Communications 4323 1609 1075 383 tw telecom holdings, inc. 22773 1537 2910 110 Cox Communications Inc. 19262 1388 4703 398 Verizon Online LLC 30036 1315 237 733 Mediacom Communications Corp 7018 1291 6995 849 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 1725 544 16 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1088 2184 60 NEUF CEGETEL (formerly LDCOM 34984 656 188 170 BILISIM TELEKOM 6830 642 1927 413 UPC Broadband 20940 622 202 482 Akamai Technologies European 12479 606 644 55 France Telecom Espana SA 8551 600 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s 31148 540 37 9 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 1759 325 169 Types of queries are: POCs, o 28573 1690 1089 60 Types of queries are: POCs, o 8151 1344 2994 340 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina S.A. 26615 881 672 33 Tim Celular S.A. 27947 644 68 107 Telconet S.A 11172 636 107 73 Alestra, S. de R.L. de C.V. 22047 581 322 17 Types of queries are: POCs, o 3816 563 240 89 Types of queries are: POCs, o 6503 562 418 67 Axtel, S.A.B. 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 8452 1249 958 13 TEDATA 24863 826 274 34 LINKdotNET AS number 6713 491 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 211 16 10 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 33776 168 12 19 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited
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 7029 3450 1040 172 Windstream Communications Inc 6389 3420 3807 199 BellSouth.net Inc. 18566 2091 382 177 Covad Communications Co. 4766 1925 11104 676 Korea Telecom (KIX) 1785 1879 680 126 PaeTec Communications, Inc. 10620 1759 325 169 Types of queries are: POCs, o 8402 1725 544 16 Corbina telecom 28573 1690 1089 60 Types of queries are: POCs, o 17974 1653 503 37 PT Telekomunikasi Indonesia 7545 1643 303 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6389 3420 3221 BellSouth.net Inc. 18566 2091 1914 Covad Communications Co. 1785 1879 1753 PaeTec Communications, Inc. 8402 1725 1709 Corbina telecom 28573 1690 1630 Types of queries are: POCs, o 17974 1653 1616 PT Telekomunikasi Indonesia 10620 1759 1590 Types of queries are: POCs, o 7545 1643 1555 TPG Internet Pty Ltd 22773 1537 1427 Cox Communications Inc. 2118 1421 1408 EUnet/RELCOM Autonomous Syste
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 128.0.0.0/21 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 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 23.27.0.0/20 18779 Guru.com 23.27.0.0/16 18779 Guru.com
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 /10:28 /11:81 /12:234 /13:458 /14:815 /15:1473 /16:12118 /17:6207 /18:10343 /19:20456 /20:28302 /21:28966 /22:39330 /23:36784 /24:206485 /25:11 /26:21 /27:20 /28:153 /29:136 /30:66 /31:0 /32:138
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3088 3450 Windstream Communications Inc 6389 2104 3420 BellSouth.net Inc. 18566 2040 2091 Covad Communications Co. 8402 1703 1725 Corbina telecom 10620 1656 1759 Types of queries are: POCs, o 30036 1268 1315 Mediacom Communications Corp 11492 1124 1161 CABLE ONE, INC. 1785 1064 1879 PaeTec Communications, Inc. 8452 1059 1249 TEDATA 7011 1040 1156 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:520 2:713 4:14 6:3 8:391 12:1963 13:1 14:601 15:11 16:3 17:7 20:8 23:135 24:1733 27:1202 31:984 32:60 33:2 34:2 36:9 37:215 38:774 40:116 41:2963 42:120 44:3 46:1383 47:3 49:334 50:496 52:13 54:5 55:9 56:3 57:35 58:926 59:486 60:284 61:1088 62:977 63:2001 64:4096 65:2277 66:4456 67:2033 68:1165 69:3155 70:908 71:409 72:1784 74:2643 75:470 76:318 77:971 78:967 79:489 80:1208 81:886 82:630 83:539 84:587 85:1161 86:731 87:914 88:334 89:1566 90:284 91:4533 92:515 93:1388 94:1376 95:1097 96:416 97:313 98:820 99:38 100:5 101:152 103:841 106:63 107:167 108:178 109:1527 110:722 111:865 112:425 113:527 114:606 115:784 116:857 117:703 118:905 119:1246 120:361 121:702 122:1580 123:1078 124:1302 125:1318 128:498 129:182 130:257 131:588 132:164 133:21 134:224 135:62 136:210 137:181 138:267 139:144 140:466 141:265 142:374 143:401 144:511 145:69 146:479 147:245 148:704 149:299 150:153 151:198 152:446 153:171 154:6 155:397 156:209 157:338 158:162 159:445 160:321 161:227 162:340 163:176 164:526 165:396 166:559 167:458 168:805 169:147 170:839 171:119 172:4 173:1664 174:596 175:418 176:519 177:536 178:1282 180:1183 181:68 182:734 183:284 184:437 185:1 186:2054 187:858 188:1059 189:1185 190:5444 192:5948 193:5576 194:4350 195:3396 196:1266 197:167 198:3584 199:4387 200:5628 201:1743 202:8157 203:8583 204:4277 205:2414 206:2657 207:2721 208:4050 209:3538 210:2684 211:1451 212:1999 213:1869 214:831 215:100 216:5000 217:1512 218:531 219:330 220:1226 221:548 222:295 223:305
End of report
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