Orbit

Routing Table Report 08:00 +10GMT Sat 31 Aug, 2013

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

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

BGP routing table entries examined: 460375 Prefixes after maximum aggregation: 186106 Deaggregation factor: 2.47 Unique aggregates announced to Internet: 231108 Total ASes present in the Internet Routing Table: 40849 Prefixes per ASN: 11.27 Origin-only ASes present in the Internet Routing Table: 35057 Origin ASes announcing only one prefix: 16285 Transit ASes present in the Internet Routing Table: 5785 Transit-only ASes present in the Internet Routing Table: 154 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: 279953 Unregistered ASNs in the Routing Table: 22558 Number of 32-bit ASNs allocated by the RIRs: 4989 Number of 32-bit ASNs visible in the Routing Table: 7 Prefixes from 32-bit ASNs in the Routing Table: 11753 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 363 Number of addresses announced to Internet: 2659902976 Equivalent to 158 /8s, 138 /16s and 230 /24s Percentage of available address space announced: 71.8 Percentage of allocated address space announced: 71.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.9 Total number of prefixes smaller than registry allocations: 160344

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

Prefixes being announced by APNIC Region ASes: 106361 Total APNIC prefixes after maximum aggregation: 32689 APNIC Deaggregation factor: 3.25 Prefixes being announced from the APNIC address blocks: 108901 Unique aggregates announced from the APNIC address blocks: 46496 APNIC Region origin ASes present in the Internet Routing Table: 4837 APNIC Prefixes per ASN: 22.51 APNIC Region origin ASes announcing only one prefix: 1252 APNIC Region transit ASes present in the Internet Routing Table: 807 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: 726407936 Equivalent to 43 /8s, 76 /16s and 27 /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, 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: 159979 Total ARIN prefixes after maximum aggregation: 80521 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 160515 Unique aggregates announced from the ARIN address blocks: 75520 ARIN Region origin ASes present in the Internet Routing Table: 15795 ARIN Prefixes per ASN: 10.16 ARIN Region origin ASes announcing only one prefix: 6023 ARIN Region transit ASes present in the Internet Routing Table: 1626 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: 1070899456 Equivalent to 63 /8s, 212 /16s and 161 /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: 119639 Total RIPE prefixes after maximum aggregation: 60852 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 123524 Unique aggregates announced from the RIPE address blocks: 79151 RIPE Region origin ASes present in the Internet Routing Table: 17375 RIPE Prefixes per ASN: 7.11 RIPE Region origin ASes announcing only one prefix: 8247 RIPE Region transit ASes present in the Internet Routing Table: 2785 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: 657220352 Equivalent to 39 /8s, 44 /16s and 99 /24s Percentage of available RIPE address space announced: 95.5

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: 50221 Total LACNIC prefixes after maximum aggregation: 9463 LACNIC Deaggregation factor: 5.31 Prefixes being announced from the LACNIC address blocks: 54813 Unique aggregates announced from the LACNIC address blocks: 25720 LACNIC Region origin ASes present in the Internet Routing Table: 1990 LACNIC Prefixes per ASN: 27.54 LACNIC Region origin ASes announcing only one prefix: 566 LACNIC Region transit ASes present in the Internet Routing Table: 358 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: 135844096 Equivalent to 8 /8s, 24 /16s and 209 /24s Percentage of available LACNIC address space announced: 81.0

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: 11660 Total AfriNIC prefixes after maximum aggregation: 2534 AfriNIC Deaggregation factor: 4.60 Prefixes being announced from the AfriNIC address blocks: 12258 Unique aggregates announced from the AfriNIC address blocks: 3881 AfriNIC Region origin ASes present in the Internet Routing Table: 657 AfriNIC Prefixes per ASN: 18.66 AfriNIC Region origin ASes announcing only one prefix: 197 AfriNIC Region transit ASes present in the Internet Routing Table: 135 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: 46509568 Equivalent to 2 /8s, 197 /16s and 174 /24s Percentage of available AfriNIC address space announced: 46.2

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 2663 903 90 >>UNKNOWN<< 4766 2112 11553 619 Korea Telecom 7545 2057 321 113 TPG Telecom Limited 4755 1797 401 193 TATA Communications formerly 9829 1535 1221 45 >>UNKNOWN<< 9583 1225 92 509 Sify Limited 9498 1183 309 71 BHARTI Airtel Ltd. 7552 1128 1080 13 >>UNKNOWN<< 24560 1089 394 160 >>UNKNOWN<< 4808 1068 2022 309 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 3069 3689 62 BellSouth.net Inc. 18566 2063 382 183 Covad Communications Co. 22773 2046 2933 126 >>UNKNOWN<< 1785 2006 679 125 >>UNKNOWN<< 20115 1673 1645 629 Charter Communications 4323 1623 1119 409 >>UNKNOWN<< 701 1520 11119 797 >>UNKNOWN<< 30036 1347 301 645 >>UNKNOWN<< 7018 1320 11309 837 >>UNKNOWN<< 11492 1218 217 371 >>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 1594 544 16 >>UNKNOWN<< 2118 1368 97 13 >>UNKNOWN<< 34984 1307 244 221 >>UNKNOWN<< 31148 975 43 18 >>UNKNOWN<< 20940 972 350 749 >>UNKNOWN<< 6830 896 2367 429 >>UNKNOWN<< 13188 846 99 72 >>UNKNOWN<< 8551 793 370 41 Bezeqint Internet Backbone 12479 687 797 53 >>UNKNOWN<< 9116 553 326 34 >>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 3225 1695 101 >>UNKNOWN<< 10620 2615 422 239 >>UNKNOWN<< 7303 1733 1158 223 >>UNKNOWN<< 18881 1452 844 20 >>UNKNOWN<< 8151 1271 2772 387 >>UNKNOWN<< 11830 945 364 15 >>UNKNOWN<< 27947 812 95 92 Telconet S.A 6503 789 434 65 Axtel, S.A.B. de C.V. 3816 727 303 85 >>UNKNOWN<< 7738 698 1370 35 >>UNKNOWN<<

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 543 633 26 Itissalat Al-MAGHRIB 8452 435 956 9 >>UNKNOWN<< 24835 291 80 8 >>UNKNOWN<< 3741 258 921 217 >>UNKNOWN<< 36992 222 501 28 >>UNKNOWN<< 15706 221 32 6 >>UNKNOWN<< 29571 220 17 12 >>UNKNOWN<< 12258 193 28 71 MWEB-12258

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 3225 1695 101 >>UNKNOWN<< 6389 3069 3689 62 BellSouth.net Inc. 17974 2663 903 90 >>UNKNOWN<< 10620 2615 422 239 >>UNKNOWN<< 4766 2112 11553 619 Korea Telecom 18566 2063 382 183 Covad Communications Co. 7545 2057 321 113 TPG Telecom Limited 22773 2046 2933 126 >>UNKNOWN<< 1785 2006 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 3069 3007 BellSouth.net Inc. 17974 2663 2573 >>UNKNOWN<< 10620 2615 2376 >>UNKNOWN<< 7545 2057 1944 TPG Telecom Limited 22773 2046 1920 >>UNKNOWN<< 1785 2006 1881 >>UNKNOWN<< 18566 2063 1880 Covad Communications Co. 36998 1861 1856 MOBITEL 4755 1797 1604 TATA Communications formerly 8402 1594 1578 >>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 45996 UNALLOCATED 1.11.92.0/23 9318 Hanaro Telecom Inc. 45996 UNALLOCATED 1.11.94.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.16.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.17.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.18.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.19.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.20.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.21.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.22.0/24 9318 Hanaro Telecom Inc. 38132 UNALLOCATED 1.214.23.0/24 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<< 23.92.16.0/21 8001 >>UNKNOWN<< 23.92.24.0/22 6939 Hurricane Electric, Inc. 23.92.48.0/20 62471 >>UNKNOWN<< 23.92.64.0/24 54540 >>UNKNOWN<< 23.92.65.0/24 54540 >>UNKNOWN<< 23.92.66.0/24 54540 >>UNKNOWN<<

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 /10:31 /11:92 /12:251 /13:478 /14:904 /15:1620 /16:12743 /17:6680 /18:11013 /19:22640 /20:32365 /21:34877 /22:48676 /23:42515 /24:244820 /25:8 /26:11 /27:11 /28:130 /29:207 /30:133 /31:0 /32:142

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

ASN No of nets Total ann. Description 18566 2014 2063 Covad Communications Co. 36998 1826 1861 MOBITEL 6389 1714 3069 BellSouth.net Inc. 22773 1332 2046 >>UNKNOWN<< 8402 1327 1594 >>UNKNOWN<< 30036 1210 1347 >>UNKNOWN<< 11492 1179 1218 >>UNKNOWN<< 1785 1078 2006 >>UNKNOWN<< 6983 1025 1151 ITC^Deltacom 10620 944 2615 >>UNKNOWN<<

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

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

1:800 2:820 3:3 4:15 5:912 6:19 8:595 12:1898 13:2 14:846 15:11 16:3 17:11 18:19 20:18 23:370 24:1738 27:1552 31:1419 32:40 33:2 34:5 36:73 37:1841 38:897 39:4 40:179 41:3286 42:242 44:9 46:1947 47:5 49:665 50:804 52:12 54:37 55:5 57:29 58:1083 59:649 60:333 61:1474 62:1222 63:1986 64:4564 65:2296 66:4156 67:2071 68:1087 69:3291 70:863 71:494 72:2002 74:2537 75:326 76:304 77:1132 78:1047 79:628 80:1318 81:1022 82:641 83:584 84:577 85:1236 86:479 87:1049 88:539 89:1822 90:158 91:5592 92:635 93:1668 94:2021 95:1535 96:524 97:347 98:1040 99:41 100:28 101:348 103:3214 105:519 106:139 107:210 108:479 109:1861 110:940 111:1111 112:568 113:788 114:685 115:1063 116:956 117:784 118:1127 119:1272 120:350 121:848 122:1791 123:1242 124:1347 125:1415 128:576 129:203 130:298 131:663 132:344 133:160 134:271 135:67 136:265 137:264 138:347 139:175 140:170 141:308 142:530 143:380 144:489 145:100 146:525 147:480 148:672 149:352 150:150 151:561 152:406 153:195 154:30 155:480 156:271 157:358 158:282 159:663 160:351 161:430 162:621 163:203 164:623 165:554 166:255 167:605 168:1022 169:125 170:1079 171:191 172:25 173:1595 174:516 175:482 176:1179 177:2127 178:1908 179:117 180:1516 181:668 182:1237 183:441 184:635 185:788 186:2470 187:1394 188:1905 189:1277 190:6871 192:6877 193:5842 194:4701 195:3590 196:1348 197:1016 198:4591 199:5403 200:5999 201:2581 202:8745 203:8812 204:4454 205:2580 206:2747 207:2830 208:3992 209:3618 210:2828 211:1551 212:2295 213:2055 214:912 215:101 216:5275 217:1651 218:612 219:327 220:1273 221:555 222:322 223:501

End of report