Routing Table Report 08:00 +10GMT Thu 04 Oct, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 420916 Prefixes after maximum aggregation: 176581 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 209905 Total ASes present in the Internet Routing Table: 39146 Prefixes per ASN: 10.75 Origin-only ASes present in the Internet Routing Table: 33665 Origin ASes announcing only one prefix: 15798 Transit ASes present in the Internet Routing Table: 5481 Transit-only ASes present in the Internet Routing Table: 127 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 28 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1423 Unregistered ASNs in the Routing Table: 316 Number of 32-bit ASNs allocated by the RIRs: 3343 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 7971 Special use prefixes present in the Routing Table: 18 Prefixes being announced from unallocated address space: 163 Number of addresses announced to Internet: 2623750144 Equivalent to 156 /8s, 99 /16s and 64 /24s Percentage of available address space announced: 70.9 Percentage of allocated address space announced: 70.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.7 Total number of prefixes smaller than registry allocations: 146062 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97386 Total APNIC prefixes after maximum aggregation: 30977 APNIC Deaggregation factor: 3.14 Prefixes being announced from the APNIC address blocks: 98647 Unique aggregates announced from the APNIC address blocks: 42835 APNIC Region origin ASes present in the Internet Routing Table: 4716 APNIC Prefixes per ASN: 20.92 APNIC Region origin ASes announcing only one prefix: 1267 APNIC Region transit ASes present in the Internet Routing Table: 744 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 708340992 Equivalent to 42 /8s, 56 /16s and 109 /24s Percentage of available APNIC address space announced: 82.8 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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, 150/8, 153/8, 163/8, 171/8, 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: 153045 Total ARIN prefixes after maximum aggregation: 77702 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153923 Unique aggregates announced from the ARIN address blocks: 69233 ARIN Region origin ASes present in the Internet Routing Table: 15184 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5757 ARIN Region transit ASes present in the Internet Routing Table: 1543 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: 1086516480 Equivalent to 64 /8s, 194 /16s and 237 /24s Percentage of available ARIN address space announced: 57.5 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, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 108901 Total RIPE prefixes after maximum aggregation: 57165 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 111539 Unique aggregates announced from the RIPE address blocks: 71582 RIPE Region origin ASes present in the Internet Routing Table: 16871 RIPE Prefixes per ASN: 6.61 RIPE Region origin ASes announcing only one prefix: 8138 RIPE Region transit ASes present in the Internet Routing Table: 2690 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 647369728 Equivalent to 38 /8s, 150 /16s and 20 /24s Percentage of available RIPE address space announced: 94.1 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 59392-61439, 196608-199679 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 43211 Total LACNIC prefixes after maximum aggregation: 8445 LACNIC Deaggregation factor: 5.12 Prefixes being announced from the LACNIC address blocks: 46456 Unique aggregates announced from the LACNIC address blocks: 22574 LACNIC Region origin ASes present in the Internet Routing Table: 1651 LACNIC Prefixes per ASN: 28.14 LACNIC Region origin ASes announcing only one prefix: 460 LACNIC Region transit ASes present in the Internet Routing Table: 305 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: 117141760 Equivalent to 6 /8s, 251 /16s and 113 /24s Percentage of available LACNIC address space announced: 69.8 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, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 9714 Total AfriNIC prefixes after maximum aggregation: 2235 AfriNIC Deaggregation factor: 4.35 Prefixes being announced from the AfriNIC address blocks: 10187 Unique aggregates announced from the AfriNIC address blocks: 3535 AfriNIC Region origin ASes present in the Internet Routing Table: 564 AfriNIC Prefixes per ASN: 18.06 AfriNIC Region origin ASes announcing only one prefix: 176 AfriNIC Region transit ASes present in the Internet Routing Table: 126 Average AfriNIC Region AS path length visible: 3.5 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: 41820672 Equivalent to 2 /8s, 126 /16s and 34 /24s Percentage of available AfriNIC address space announced: 41.5 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17974 2363 830 54 PT Telekomunikasi Indonesia 4766 2115 11420 608 Korea Telecom (KIX) 7545 1758 301 87 TPG Internet Pty Ltd 4755 1604 387 162 TATA Communications formerly 9829 1393 1154 41 National Internet Backbone 9583 1222 90 519 Sify Limited 7552 1096 1062 11 Vietel Corporation 24560 1034 385 161 Bharti Airtel Ltd., Telemedia 9498 1017 310 74 BHARTI Airtel Ltd. 18101 1014 135 172 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 3282 3729 178 BellSouth.net Inc. 7029 3162 990 160 Windstream Communications Inc 18566 2085 382 180 Covad Communications Co. 1785 1924 678 128 PaeTec Communications, Inc. 22773 1906 2931 128 Cox Communications Inc. 20115 1656 1581 618 Charter Communications 4323 1573 1170 386 tw telecom holdings, inc. 30036 1362 272 756 Mediacom Communications Corp 7018 1272 10320 846 AT&T Services, Inc. 7011 1205 329 699 Frontier Communications of Am 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 1624 544 16 Corbina telecom 2118 1399 97 14 EUnet/RELCOM Autonomous Syste 12479 845 775 74 France Telecom Espana SA 34984 793 206 181 BILISIM TELEKOM 6830 723 2313 447 UPC Broadband 31148 721 37 9 FreeNet ISP 13188 697 92 149 Ukraine 20940 678 220 527 Akamai Technologies European 58113 631 70 366 LIR DATACENTER TELECOM SRL 8551 599 364 61 Bezeq International 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 2199 378 222 Types of queries are: POCs, o 28573 2128 1251 56 Types of queries are: POCs, o 7303 1566 1035 202 Telecom Argentina S.A. 6503 1514 435 70 Axtel, S.A.B. de C.V. 8151 1453 3058 346 Uninet S.A. de C.V. 27947 702 74 87 Telconet S.A 3816 645 309 69 Types of queries are: POCs, o 11172 593 101 66 Alestra, S. de R.L. de C.V. 14420 588 87 102 CORPORACION NACIONAL DE TELEC 22047 580 326 15 Types of queries are: POCs, o 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 891 275 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 715 958 13 TEDATA 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 267 906 225 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 192 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 29571 164 14 18 Ci Telecom Autonomous system 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 3282 3729 178 BellSouth.net Inc. 7029 3162 990 160 Windstream Communications Inc 17974 2363 830 54 PT Telekomunikasi Indonesia 10620 2199 378 222 Types of queries are: POCs, o 28573 2128 1251 56 Types of queries are: POCs, o 4766 2115 11420 608 Korea Telecom (KIX) 18566 2085 382 180 Covad Communications Co. 1785 1924 678 128 PaeTec Communications, Inc. 22773 1906 2931 128 Cox Communications Inc. 7545 1758 301 87 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 7029 3162 3002 Windstream Communications Inc 17974 2363 2309 PT Telekomunikasi Indonesia 28573 2128 2072 Types of queries are: POCs, o 10620 2199 1977 Types of queries are: POCs, o 18566 2085 1905 Covad Communications Co. 1785 1924 1796 PaeTec Communications, Inc. 22773 1906 1778 Cox Communications Inc. 7545 1758 1671 TPG Internet Pty Ltd 8402 1624 1608 Corbina telecom 4766 2115 1507 Korea Telecom (KIX) Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG 59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o. 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 128.0.24.0/21 41794 Sibirskie Seti Ltd. 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 >>UNKNOWN<< 128.0.160.0/21 23456 32-bit ASN transition 128.0.168.0/21 15772 W-NET Kiev 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 27.112.114.0/24 23884 Proimage Engineering and Comm 41.220.80.0/24 38925 G.I.T. TELECOM LIMITED 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 /8:19 /9:14 /10:30 /11:87 /12:241 /13:475 /14:848 /15:1552 /16:12386 /17:6506 /18:10778 /19:21065 /20:30353 /21:32189 /22:42310 /23:39684 /24:221838 /25:6 /26:13 /27:10 /28:132 /29:164 /30:86 /31:0 /32:130 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2647 3162 Windstream Communications Inc 18566 2035 2085 Covad Communications Co. 6389 1836 3282 BellSouth.net Inc. 8402 1348 1624 Corbina telecom 30036 1295 1362 Mediacom Communications Corp 22773 1245 1906 Cox Communications Inc. 11492 1164 1201 CABLE ONE, INC. 6503 1050 1514 Axtel, S.A.B. de C.V. 1785 1017 1924 PaeTec Communications, Inc. 7011 944 1205 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:590 2:630 3:1 4:13 5:550 6:3 8:463 12:1975 13:1 14:650 15:11 16:3 17:6 20:27 23:200 24:1778 27:1367 31:1043 32:49 33:2 34:2 36:7 37:820 38:824 39:2 40:133 41:2936 42:159 44:3 46:1586 47:2 49:460 50:590 52:12 54:22 55:10 56:3 57:31 58:930 59:534 60:231 61:1181 62:952 63:1985 64:4270 65:2238 66:4510 67:2111 68:1170 69:3220 70:986 71:513 72:1873 74:2597 75:484 76:308 77:948 78:953 79:497 80:1245 81:971 82:640 83:537 84:520 85:1163 86:495 87:928 88:364 89:1814 90:304 91:5230 92:595 93:1445 94:1626 95:1217 96:394 97:325 98:964 99:36 100:24 101:261 103:1604 105:512 106:118 107:199 108:448 109:1556 110:805 111:969 112:437 113:707 114:609 115:884 116:869 117:733 118:955 119:1177 120:334 121:676 122:1597 123:1164 124:1293 125:1279 128:518 129:180 130:269 131:627 132:302 133:22 134:240 135:61 136:219 137:236 138:338 139:169 140:471 141:279 142:470 143:382 144:485 145:82 146:514 147:265 148:721 149:324 150:151 151:193 152:449 153:178 154:19 155:408 156:221 157:329 158:258 159:581 160:344 161:385 162:363 163:180 164:684 165:420 166:526 167:555 168:984 169:126 170:911 171:150 172:7 173:1674 174:617 175:444 176:761 177:1250 178:1615 180:1338 181:148 182:1050 183:296 184:603 185:22 186:2213 187:1271 188:1718 189:1583 190:5954 192:5989 193:5737 194:4748 195:3518 196:1220 197:234 198:3779 199:5014 200:5946 201:1972 202:8427 203:8588 204:4334 205:2519 206:2673 207:2761 208:4048 209:3625 210:2773 211:1521 212:2011 213:1808 214:883 215:86 216:5100 217:1576 218:558 219:295 220:1243 221:511 222:302 223:408 End of report