Orbit

Routing Table Report 08:00 +10GMT Tue 17 Sep, 2013

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary ----------------

BGP routing table entries examined: 461783 Prefixes after maximum aggregation: 186965 Deaggregation factor: 2.47 Unique aggregates announced to Internet: 231887 Total ASes present in the Internet Routing Table: 40936 Prefixes per ASN: 11.28 Origin-only ASes present in the Internet Routing Table: 35153 Origin ASes announcing only one prefix: 16313 Transit ASes present in the Internet Routing Table: 5776 Transit-only ASes present in the Internet Routing Table: 144 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: 269905 Unregistered ASNs in the Routing Table: 21120 Number of 32-bit ASNs allocated by the RIRs: 5040 Number of 32-bit ASNs visible in the Routing Table: 7 Prefixes from 32-bit ASNs in the Routing Table: 12111 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 447 Number of addresses announced to Internet: 2662558976 Equivalent to 158 /8s, 179 /16s and 109 /24s Percentage of available address space announced: 71.9 Percentage of allocated address space announced: 71.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.0 Total number of prefixes smaller than registry allocations: 161015

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 106949 Total APNIC prefixes after maximum aggregation: 32851 APNIC Deaggregation factor: 3.26 Prefixes being announced from the APNIC address blocks: 109557 Unique aggregates announced from the APNIC address blocks: 46533 APNIC Region origin ASes present in the Internet Routing Table: 4836 APNIC Prefixes per ASN: 22.65 APNIC Region origin ASes announcing only one prefix: 1239 APNIC Region transit ASes present in the Internet Routing Table: 822 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1 Number of APNIC addresses announced to Internet: 726744832 Equivalent to 43 /8s, 81 /16s and 63 /24s Percentage of available APNIC address space announced: 84.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 160446 Total ARIN prefixes after maximum aggregation: 80777 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 161109 Unique aggregates announced from the ARIN address blocks: 75687 ARIN Region origin ASes present in the Internet Routing Table: 15823 ARIN Prefixes per ASN: 10.18 ARIN Region origin ASes announcing only one prefix: 6026 ARIN Region transit ASes present in the Internet Routing Table: 1601 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: 2 Number of ARIN addresses announced to Internet: 1071129600 Equivalent to 63 /8s, 216 /16s and 36 /24s Percentage of available ARIN address space announced: 56.7

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, 62464-63487, 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: 118767 Total RIPE prefixes after maximum aggregation: 61106 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 122553 Unique aggregates announced from the RIPE address blocks: 79254 RIPE Region origin ASes present in the Internet Routing Table: 17417 RIPE Prefixes per ASN: 7.04 RIPE Region origin ASes announcing only one prefix: 8279 RIPE Region transit ASes present in the Internet Routing Table: 2779 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: 1 Number of RIPE addresses announced to Internet: 655949824 Equivalent to 39 /8s, 25 /16s and 0 /24s Percentage of available RIPE address space announced: 95.4

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, 61952-62463, 196608-200191 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: 50903 Total LACNIC prefixes after maximum aggregation: 9607 LACNIC Deaggregation factor: 5.30 Prefixes being announced from the LACNIC address blocks: 55683 Unique aggregates announced from the LACNIC address blocks: 26009 LACNIC Region origin ASes present in the Internet Routing Table: 2004 LACNIC Prefixes per ASN: 27.79 LACNIC Region origin ASes announcing only one prefix: 568 LACNIC Region transit ASes present in the Internet Routing Table: 361 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2 Number of LACNIC addresses announced to Internet: 138910976 Equivalent to 8 /8s, 71 /16s and 157 /24s Percentage of available LACNIC address space announced: 82.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 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: 11830 Total AfriNIC prefixes after maximum aggregation: 2562 AfriNIC Deaggregation factor: 4.62 Prefixes being announced from the AfriNIC address blocks: 12433 Unique aggregates announced from the AfriNIC address blocks: 3993 AfriNIC Region origin ASes present in the Internet Routing Table: 661 AfriNIC Prefixes per ASN: 18.81 AfriNIC Region origin ASes announcing only one prefix: 201 AfriNIC Region transit ASes present in the Internet Routing Table: 132 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: 1 Number of AfriNIC addresses announced to Internet: 46607872 Equivalent to 2 /8s, 199 /16s and 46 /24s Percentage of available AfriNIC address space announced: 46.3

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 2677 903 91 >>UNKNOWN<< 4766 2120 11553 622 Korea Telecom 7545 2065 320 110 TPG Telecom Limited 4755 1805 403 195 TATA Communications formerly 9829 1549 1237 45 >>UNKNOWN<< 9583 1230 92 508 Sify Limited 9498 1188 309 72 BHARTI Airtel Ltd. 7552 1152 1080 13 >>UNKNOWN<< 24560 1089 380 164 >>UNKNOWN<< 4808 1073 2023 313 CNCGROUP IP network China169

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 3068 3689 62 BellSouth.net Inc. 18566 2063 382 183 Covad Communications Co. 22773 2043 2933 125 >>UNKNOWN<< 1785 2012 679 125 >>UNKNOWN<< 20115 1678 1649 629 Charter Communications 4323 1618 1119 412 >>UNKNOWN<< 701 1529 11136 798 >>UNKNOWN<< 30036 1351 305 632 >>UNKNOWN<< 7018 1323 11293 835 >>UNKNOWN<< 11492 1222 218 365 >>UNKNOWN<<

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 1615 544 16 >>UNKNOWN<< 34984 1330 244 220 >>UNKNOWN<< 20940 1017 375 785 >>UNKNOWN<< 31148 985 43 20 >>UNKNOWN<< 6830 895 2367 427 >>UNKNOWN<< 13188 847 99 70 >>UNKNOWN<< 8551 762 370 41 Bezeqint Internet Backbone 12479 673 797 53 >>UNKNOWN<< 9116 553 326 34 >>UNKNOWN<< 35228 526 246 16 >>UNKNOWN<<

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 28573 3247 1724 95 >>UNKNOWN<< 10620 2559 418 246 >>UNKNOWN<< 7303 1708 1133 225 >>UNKNOWN<< 18881 1430 844 20 >>UNKNOWN<< 8151 1267 2754 391 >>UNKNOWN<< 11830 865 364 15 >>UNKNOWN<< 27947 813 94 93 Telconet S.A 6503 808 434 65 Axtel, S.A.B. de C.V. 7738 779 1498 36 >>UNKNOWN<< 6147 738 376 21 Telefonica del Peru S.A.A.

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 36998 1861 112 5 MOBITEL 24863 870 274 30 >>UNKNOWN<< 6713 554 633 26 Itissalat Al-MAGHRIB 8452 450 956 9 >>UNKNOWN<< 24835 291 80 8 >>UNKNOWN<< 3741 258 921 216 >>UNKNOWN<< 36992 222 501 28 >>UNKNOWN<< 15706 221 32 6 >>UNKNOWN<< 29571 221 17 12 >>UNKNOWN<< 29975 191 667 21 >>UNKNOWN<<

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 28573 3247 1724 95 >>UNKNOWN<< 6389 3068 3689 62 BellSouth.net Inc. 17974 2677 903 91 >>UNKNOWN<< 10620 2559 418 246 >>UNKNOWN<< 4766 2120 11553 622 Korea Telecom 7545 2065 320 110 TPG Telecom Limited 18566 2063 382 183 Covad Communications Co. 22773 2043 2933 125 >>UNKNOWN<< 1785 2012 679 125 >>UNKNOWN<< 36998 1861 112 5 MOBITEL

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 3068 3006 BellSouth.net Inc. 17974 2677 2586 >>UNKNOWN<< 10620 2559 2313 >>UNKNOWN<< 7545 2065 1955 TPG Telecom Limited 22773 2043 1918 >>UNKNOWN<< 1785 2012 1887 >>UNKNOWN<< 18566 2063 1880 Covad Communications Co. 36998 1861 1856 MOBITEL 4755 1805 1610 TATA Communications formerly 8402 1615 1599 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 9944 UNALLOCATED 1.232.48.0/24 4766 Korea Telecom 16477 UNALLOCATED 1.232.49.0/24 4766 Korea Telecom 9944 UNALLOCATED 1.232.50.0/24 4766 Korea Telecom 9944 UNALLOCATED 1.232.51.0/24 4766 Korea Telecom 38423 UNALLOCATED 1.232.97.0/24 9318 Hanaro Telecom Inc. 9772 UNALLOCATED 1.232.171.0/24 4766 Korea Telecom 2385 UNALLOCATED 1.232.172.0/24 4766 Korea Telecom 38413 UNALLOCATED 1.233.22.0/24 4766 Korea Telecom 4665 UNALLOCATED 1.233.206.0/24 9318 Hanaro Telecom Inc. 4665 UNALLOCATED 1.233.206.0/23 9318 Hanaro Telecom 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 100.64.0.0/10 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.0.0/24 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 198.51.100.0/24 65333 Internet Assigned Numbers Aut 203.0.113.0/24 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 23.90.128.0/18 27418 >>UNKNOWN<< 23.90.192.0/18 36086 >>UNKNOWN<< 23.91.0.0/19 40676 >>UNKNOWN<< 23.91.32.0/19 36315 >>UNKNOWN<< 23.91.96.0/20 40676 >>UNKNOWN<< 23.91.112.0/21 32475 >>UNKNOWN<< 23.91.160.0/22 36493 FIBERNETICS CORPORATION 23.91.160.0/19 36493 FIBERNETICS CORPORATION 23.91.164.0/22 36493 FIBERNETICS CORPORATION 23.91.168.0/22 36493 FIBERNETICS CORPORATION

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 /8:17 /9:11 /10:32 /11:93 /12:250 /13:474 /14:913 /15:1625 /16:12748 /17:6717 /18:11108 /19:22916 /20:32553 /21:34985 /22:49060 /23:42514 /24:245144 /25:8 /26:11 /27:11 /28:129 /29:197 /30:136 /31:0 /32:131

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 18566 2014 2063 Covad Communications Co. 36998 1826 1861 MOBITEL 6389 1713 3068 BellSouth.net Inc. 8402 1383 1615 >>UNKNOWN<< 22773 1330 2043 >>UNKNOWN<< 30036 1211 1351 >>UNKNOWN<< 11492 1183 1222 >>UNKNOWN<< 1785 1083 2012 >>UNKNOWN<< 6983 1025 1150 ITC^Deltacom 7011 932 1175 Frontier Communications of Am

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:804 2:865 3:3 4:16 5:949 6:19 8:599 12:1890 13:3 14:843 15:11 16:3 17:11 18:19 20:21 23:392 24:1741 27:1567 31:1438 32:40 33:2 34:5 36:80 37:1839 38:899 39:3 40:179 41:3328 42:251 44:13 46:1968 47:6 49:669 50:791 52:12 54:37 55:6 57:29 58:1090 59:627 60:337 61:1479 62:1193 63:1981 64:4559 65:2363 66:4161 67:2078 68:1087 69:3285 70:865 71:495 72:2004 74:2553 75:328 76:303 77:1142 78:1022 79:620 80:1327 81:1030 82:643 83:580 84:580 85:1272 86:484 87:1050 88:557 89:1803 90:158 91:5667 92:607 93:1641 94:2021 95:1561 96:517 97:342 98:1038 99:41 100:30 101:356 103:3301 105:519 106:142 107:208 108:488 109:1874 110:949 111:1120 112:570 113:788 114:703 115:1032 116:961 117:797 118:1159 119:1256 120:351 121:850 122:1794 123:1250 124:1344 125:1422 128:535 129:212 130:308 131:666 132:344 133:161 134:399 135:67 136:269 137:264 138:348 139:177 140:170 141:314 142:538 143:394 144:491 145:98 146:515 147:479 148:670 149:356 150:153 151:601 152:412 153:195 154:46 155:483 156:271 157:371 158:285 159:674 160:351 161:427 162:670 163:208 164:616 165:562 166:259 167:609 168:1039 169:124 170:1083 171:194 172:25 173:1598 174:516 175:485 176:1187 177:2264 178:1890 179:130 180:1526 181:716 182:1261 183:460 184:626 185:841 186:2491 187:1455 188:1818 189:1315 190:7061 192:6861 193:5655 194:4066 195:3327 196:1361 197:1074 198:4604 199:5396 200:6002 201:2532 202:8794 203:8826 204:4446 205:2599 206:2755 207:2819 208:3997 209:3585 210:2845 211:1548 212:2304 213:2047 214:920 215:99 216:5269 217:1646 218:612 219:326 220:1274 221:557 222:324 223:495

End of report