Global R&E Routing Table Report 23:05 GMT Mon 05 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850206 Prefixes after maximum aggregation (per Origin AS): 323906 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 410952 Total ASes present in the Internet Routing Table: 71421 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 61322 Origin ASes announcing only one prefix: 25330 Transit ASes present in the Internet Routing Table: 10099 Transit-only ASes present in the Internet Routing Table: 332 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 52 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1112 Number of instances of unregistered ASNs: 1121 Number of 32-bit ASNs allocated by the RIRs: 36546 Number of 32-bit ASNs visible in the Routing Table: 30320 Prefixes from 32-bit ASNs in the Routing Table: 137555 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3039665920 Equivalent to 181 /8s, 45 /16s and 159 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 290998 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216736 Total APNIC prefixes after maximum aggregation: 62923 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212424 Unique aggregates announced from the APNIC address blocks: 90379 APNIC Region origin ASes present in the Internet Routing Table: 11620 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 3292 APNIC Region transit ASes present in the Internet Routing Table: 1649 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6846 Number of APNIC addresses announced to Internet: 773947392 Equivalent to 46 /8s, 33 /16s and 128 /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, 131072-147769 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: 249328 Total ARIN prefixes after maximum aggregation: 113836 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249053 Unique aggregates announced from the ARIN address blocks: 118789 ARIN Region origin ASes present in the Internet Routing Table: 18802 ARIN Prefixes per ASN: 13.25 ARIN Region origin ASes announcing only one prefix: 6834 ARIN Region transit ASes present in the Internet Routing Table: 1936 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3954 Number of ARIN addresses announced to Internet: 1271339776 Equivalent to 75 /8s, 199 /16s and 27 /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: 246594 Total RIPE prefixes after maximum aggregation: 114761 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 242914 Unique aggregates announced from the RIPE address blocks: 143259 RIPE Region origin ASes present in the Internet Routing Table: 27992 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12021 RIPE Region transit ASes present in the Internet Routing Table: 3989 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 52 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10276 Number of RIPE addresses announced to Internet: 710698240 Equivalent to 42 /8s, 92 /16s and 101 /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: 110406 Total LACNIC prefixes after maximum aggregation: 26558 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 111605 Unique aggregates announced from the LACNIC address blocks: 47176 LACNIC Region origin ASes present in the Internet Routing Table: 10770 LACNIC Prefixes per ASN: 10.36 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2060 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8413 Number of LACNIC addresses announced to Internet: 176046080 Equivalent to 10 /8s, 126 /16s and 64 /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: 26018 Total AfriNIC prefixes after maximum aggregation: 5084 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 33693 Unique aggregates announced from the AfriNIC address blocks: 10884 AfriNIC Region origin ASes present in the Internet Routing Table: 1492 AfriNIC Prefixes per ASN: 22.58 AfriNIC Region origin ASes announcing only one prefix: 518 AfriNIC Region transit ASes present in the Internet Routing Table: 294 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 831 Number of AfriNIC addresses announced to Internet: 107206912 Equivalent to 6 /8s, 99 /16s and 217 /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 7545 5796 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 7552 3570 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3528 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2879 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2218 11375 563 KIXS-AS-KR Korea Telecom, KR 45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2113 437 190 TATACOMM-AS TATA Communications formerl 24560 1949 840 339 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 5211 9529 2335 AMAZON-02, US 11492 4795 316 671 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3967 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3492 1805 2440 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2582 373 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2537 5037 476 CENTURYLINK-US-LEGACY-QWEST, US 5972 2251 451 786 DNIC-ASBLK-05800-06055, US 20115 2168 2930 492 CHARTER-20115, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 47331 7796 1049 3502 TTNET, TR 12479 6733 1721 140 UNI2-AS, ES 20940 3643 3359 190 AKAMAI-ASN1, NL 8551 3334 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2883 2283 894 ROSTELECOM-AS, RU 9009 2452 259 1309 M247, GB 34984 2218 357 595 TELLCOM-AS, TR 61317 1612 256 816 ASDETUK www.heficed.com, GB 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8536 3443 592 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2509 369 62 Instituto Costarricense de Electricidad 13999 1773 433 462 Mega Cable, S.A. de C.V., MX 6503 1448 359 479 Axtel, S.A.B. de C.V., MX 28573 1419 2285 234 CLARO S.A., BR 3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 374 31 Telefonica del Peru S.A.A., PE 26615 1071 2351 134 TIM SA, BR 11664 991 199 444 Techtel LMDS Comunicaciones Interactiva Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1652 393 22 LINKdotNET-AS, EG 24835 1456 498 30 RAYA-AS, EG 36992 1303 1489 266 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 710 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 495 49 25 WANANCHI-, KE 37342 482 32 1 MOVITEL, MZ 23889 438 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8536 3443 592 Uninet S.A. de C.V., MX 47331 7796 1049 3502 TTNET, TR 12479 6733 1721 140 UNI2-AS, ES 7545 5796 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5211 9529 2335 AMAZON-02, US 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 11492 4795 316 671 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3967 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3643 3359 190 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6733 6593 UNI2-AS, ES 7545 5796 5120 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7796 4294 TTNET, TR 11492 4795 4124 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3967 3704 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3570 3550 VIETEL-AS-AP Viettel Group, VN 7713 3528 3472 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3643 3453 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 41.57.124.0/24 Origin: 37442 UNASSIGNED Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/singapore/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 /9:14 /10:40 /11:100 /12:306 /13:587 /14:1188 /15:2029 /16:13430 /17:8211 /18:13720 /19:24837 /20:40515 /21:49652 /22:105430 /23:90576 /24:499541 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6966 7796 TTNET, TR 12479 5690 6733 UNI2-AS, ES 11492 3806 4795 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3115 4027 VIASAT-SP-BACKBONE, US 8151 3058 8536 Uninet S.A. de C.V., MX 22773 2969 3967 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2798 3334 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2248 2582 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1145 3:142 4:20 5:3568 6:79 7:5 8:1510 11:164 12:1738 13:365 14:2209 15:89 16:17 17:324 18:93 20:122 21:1 22:188 23:4798 24:2434 25:2 27:2520 29:19 31:2298 32:107 34:1 35:45 36:1440 37:3763 38:2164 39:569 40:146 41:3737 42:958 43:2059 44:265 45:15193 46:3686 47:351 49:1605 50:1806 51:101 52:1233 54:219 55:790 56:9 57:54 58:1633 59:1045 60:930 61:2187 62:2323 63:1965 64:5383 65:2366 66:5053 67:2896 68:1173 69:4077 70:1383 71:679 72:3136 74:2591 75:1489 76:698 77:2036 78:3699 79:2656 80:1857 81:1649 82:1362 83:1148 84:1253 85:3424 86:698 87:1826 88:2695 89:3023 90:498 91:7366 92:1796 93:2560 94:3110 95:4478 96:1295 97:343 98:975 99:968 100:77 101:1264 102:1538 103:26297 104:3818 105:441 106:793 107:2239 108:722 109:3862 110:1885 111:2770 112:1814 113:1286 114:1435 115:1950 116:1828 117:2221 118:2324 119:1855 120:1037 121:958 122:2481 123:2158 124:1534 125:1885 128:1250 129:1290 130:867 131:2040 132:740 133:360 134:1616 135:297 136:778 137:939 138:2403 139:1215 140:757 141:1185 142:1194 143:1320 144:1258 145:327 146:1455 147:1351 148:2423 149:1445 150:817 151:1077 152:1546 153:418 154:2834 155:1336 156:1608 157:1198 158:928 159:2019 160:2312 161:1210 162:3309 163:1004 164:1536 165:1426 166:612 167:1808 168:3646 169:694 170:4292 171:791 172:2481 173:2971 174:991 175:1096 176:3162 177:4376 178:2925 179:1875 180:2318 181:2621 182:3162 183:1598 184:2414 185:18483 186:4068 187:3090 188:3341 189:2863 190:8832 191:1410 192:10699 193:8230 194:6711 195:4794 196:2917 197:2194 198:6006 199:6001 200:7399 201:5231 202:10156 203:10113 204:4621 205:3356 206:3493 207:3380 208:4018 209:4698 210:3951 211:2184 212:3719 213:3469 214:1176 215:58 216:6291 217:2573 218:1054 219:463 220:2040 221:901 222:679 223:1722 End of report