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[bgp-stats] Global IPv4 Routing Table Report - London view
Global IPv4 Routing Table Report 08:00 +10GMT Sat 06 Nov, 2021
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 869964 Prefixes after maximum aggregation (per Origin AS): 331095 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 419999 Total ASes present in the Internet Routing Table: 72066 Prefixes per ASN: 12.07 Origin-only ASes present in the Internet Routing Table: 61875 Origin ASes announcing only one prefix: 25515 Transit ASes present in the Internet Routing Table: 10191 Transit-only ASes present in the Internet Routing Table: 357 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 851 Number of instances of unregistered ASNs: 857 Number of 32-bit ASNs allocated by the RIRs: 37762 Number of 32-bit ASNs visible in the Routing Table: 31259 Prefixes from 32-bit ASNs in the Routing Table: 143277 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 439 Number of addresses announced to Internet: 3072316928 Equivalent to 183 /8s, 31 /16s and 214 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 296053
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 223988 Total APNIC prefixes after maximum aggregation: 64032 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 219232 Unique aggregates announced from the APNIC address blocks: 92601 APNIC Region origin ASes present in the Internet Routing Table: 11991 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 3397 APNIC Region transit ASes present in the Internet Routing Table: 1668 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7231 Number of APNIC addresses announced to Internet: 773323520 Equivalent to 46 /8s, 23 /16s and 251 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 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: 254515 Total ARIN prefixes after maximum aggregation: 117654 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 254494 Unique aggregates announced from the ARIN address blocks: 121903 ARIN Region origin ASes present in the Internet Routing Table: 18896 ARIN Prefixes per ASN: 13.47 ARIN Region origin ASes announcing only one prefix: 6851 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4186 Number of ARIN addresses announced to Internet: 1301855744 Equivalent to 77 /8s, 152 /16s and 190 /24s 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, 64198-64296, 393216-401308 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, 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: 250645 Total RIPE prefixes after maximum aggregation: 116539 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246794 Unique aggregates announced from the RIPE address blocks: 146343 RIPE Region origin ASes present in the Internet Routing Table: 28109 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3981 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10504 Number of RIPE addresses announced to Internet: 712333824 Equivalent to 42 /8s, 117 /16s and 90 /24s 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, 64396-64495 196608-213403 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: 112938 Total LACNIC prefixes after maximum aggregation: 26974 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 113811 Unique aggregates announced from the LACNIC address blocks: 47486 LACNIC Region origin ASes present in the Internet Routing Table: 10777 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2606 LACNIC Region transit ASes present in the Internet Routing Table: 2119 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8444 Number of LACNIC addresses announced to Internet: 176421376 Equivalent to 10 /8s, 131 /16s and 250 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 27027 Total AfriNIC prefixes after maximum aggregation: 5247 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 35194 Unique aggregates announced from the AfriNIC address blocks: 11283 AfriNIC Region origin ASes present in the Internet Routing Table: 1565 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 551 AfriNIC Region transit ASes present in the Internet Routing Table: 306 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 39 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 894 Number of AfriNIC addresses announced to Internet: 108114176 Equivalent to 6 /8s, 113 /16s and 177 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9808 8620 8999 54 CHINAMOBILE-CN China Mobile Communicati 7545 5848 785 683 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1023 57 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3117 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2253 11374 573 KIXS-AS-KR Korea Telecom, KR 9498 2171 472 237 BBIL-AP BHARTI Airtel Ltd., IN 45090 2126 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2121 429 202 TATACOMM-AS TATA Communications formerl 24560 1981 834 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 16509 5884 9962 2548 AMAZON-02, US 11492 4632 307 800 CABLEONE, US 22773 4066 3074 388 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3954 264 30 VIASAT-SP-BACKBONE, US 16625 3663 1892 2550 AKAMAI-AS, US 6327 3381 1318 68 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2595 373 155 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2527 5028 445 CENTURYLINK-US-LEGACY-QWEST, US 7018 2244 24163 1433 ATT-INTERNET4, US
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 47331 8242 1098 3276 TTNET, TR 12479 6879 1725 145 UNI2-AS, ES 20940 3920 3360 197 AKAMAI-ASN1, NL 8551 3275 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2905 2279 897 ROSTELECOM-AS, RU 9009 2502 258 1313 M247, GB 34984 2205 356 597 TELLCOM-AS, TR 58224 1708 904 582 TCI, IR 61317 1689 224 954 ASDETUK www.heficed.com, GB
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 8151 10153 3463 573 Uninet S.A. de C.V., MX 10620 3249 492 817 Telmex Colombia S.A., CO 11830 2470 369 62 Instituto Costarricense de Electricidad 13999 1639 289 454 Mega Cable, S.A. de C.V., MX 6503 1531 359 473 Axtel, S.A.B. de C.V., MX 28573 1433 2312 259 CLARO S.A., BR 3816 1240 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1130 2351 137 TIM SA, BR 6147 1099 370 22 Telefonica del Peru S.A.A., PE 11664 965 187 442 Techtel LMDS Comunicaciones Interactiva
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 1636 393 21 LINKdotNET-AS, EG 24835 1553 507 33 RAYA-AS, EG 36992 1273 1414 268 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 778 68 11 ORANGE-COTE-IVOIRE, CI 36935 682 523 44 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 50 31 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 425 232 16 MauritiusTelecom, MU
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 8151 10153 3463 573 Uninet S.A. de C.V., MX 9808 8620 8999 54 CHINAMOBILE-CN China Mobile Communicati 47331 8242 1098 3276 TTNET, TR 12479 6879 1725 145 UNI2-AS, ES 16509 5884 9962 2548 AMAZON-02, US 7545 5848 785 683 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4632 307 800 CABLEONE, US 22773 4066 3074 388 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3954 264 30 VIASAT-SP-BACKBONE, US 20940 3920 3360 197 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 9808 8620 8566 CHINAMOBILE-CN China Mobile Communications Grou 12479 6879 6734 UNI2-AS, ES 7545 5848 5165 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 8242 4966 TTNET, TR 7155 3954 3924 VIASAT-SP-BACKBONE, US 11492 4632 3832 CABLEONE, US 20940 3920 3723 AKAMAI-ASN1, NL 22773 4066 3678 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3590 3571 VIETEL-AS-AP Viettel Group, VN 7713 3498 3441 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name 398418 UNALLOCATED 8.2.200.0/24 2914 NTT-COMMUNICATIONS-2914, US 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Advertised Unallocated Addresses --------------------------------
Unassigned Network ASN Information AS Name 23.132.208.0/24 Origin: 7850 CITYLINKFIBER, US 23.132.208.0/24 Transit: 15164 UPNLLC, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 174 COGENT-174, US
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 /8:16 /9:13 /10:40 /11:99 /12:305 /13:595 /14:1209 /15:2079 /16:13571 /17:8199 /18:13776 /19:24969 /20:41693 /21:50735 /22:107093 /23:94104 /24:511460 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 47331 7409 8242 TTNET, TR 12479 5843 6879 UNI2-AS, ES 8151 4111 10153 Uninet S.A. de C.V., MX 11492 3585 4632 CABLEONE, US 6327 3190 3381 SHAW, CA 7155 3044 3954 VIASAT-SP-BACKBONE, US 22773 3016 4066 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 8551 2739 3275 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2249 2595 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1907 2:1047 3:145 4:19 5:3661 6:100 7:5 8:1504 11:172 12:1718 13:407 14:2256 15:121 16:27 17:372 18:124 20:134 21:4 22:188 23:5259 24:2389 25:2 27:2552 29:19 31:2390 32:103 34:1 35:47 36:1691 37:3920 38:2346 39:618 40:149 41:3820 42:1062 43:2059 44:289 45:15617 46:3708 47:324 49:1658 50:1869 51:100 52:1333 54:283 55:729 56:4 57:57 58:1636 59:1044 60:935 61:2233 62:2352 63:1956 64:5391 65:2354 66:4932 67:2873 68:1169 69:4083 70:1352 71:678 72:3072 74:2621 75:1500 76:704 77:2059 78:3888 79:2581 80:1868 81:1651 82:1369 83:1168 84:1299 85:3603 86:709 87:1868 88:2686 89:3101 90:504 91:7453 92:1845 93:2569 94:3165 95:4511 96:1295 97:347 98:978 99:925 100:75 101:1296 102:1765 103:27364 104:4049 105:437 106:825 107:2380 108:743 109:3919 110:1928 111:3087 112:1955 113:1361 114:1524 115:1972 116:1854 117:2423 118:2257 119:1867 120:1573 121:998 122:2509 123:2107 124:1541 125:1892 128:1326 129:1104 130:902 131:2065 132:772 133:364 134:1890 135:330 136:797 137:860 138:2406 139:1214 140:826 141:1298 142:1204 143:1377 144:1275 145:327 146:1569 147:1462 148:2253 149:1481 150:847 151:1082 152:1666 153:433 154:3236 155:1358 156:1796 157:1186 158:990 159:2039 160:2297 161:1275 162:3386 163:1108 164:1662 165:1495 166:591 167:1689 168:3616 169:679 170:4273 171:808 172:2781 173:3038 174:1002 175:1140 176:3384 177:4566 178:3013 179:1956 180:2304 181:2611 182:3099 183:1917 184:2415 185:19005 186:4260 187:3457 188:3583 189:2996 190:8755 191:1336 192:10941 193:8399 194:6877 195:4894 196:2883 197:2217 198:5984 199:5956 200:7379 201:5594 202:10172 203:10034 204:4489 205:3379 206:3747 207:3327 208:4001 209:4681 210:3994 211:2330 212:3805 213:3395 214:1157 215:64 216:6376 217:2629 218:1185 219:446 220:1918 221:973 222:678 223:1987
End of report
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