Global R&E Routing Table Report 23:15 GMT Mon 03 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 837465 Prefixes after maximum aggregation (per Origin AS): 318210 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 406726 Total ASes present in the Internet Routing Table: 71041 Prefixes per ASN: 11.79 Origin-only ASes present in the Internet Routing Table: 60989 Origin ASes announcing only one prefix: 25221 Transit ASes present in the Internet Routing Table: 10052 Transit-only ASes present in the Internet Routing Table: 329 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1075 Number of instances of unregistered ASNs: 1090 Number of 32-bit ASNs allocated by the RIRs: 35910 Number of 32-bit ASNs visible in the Routing Table: 29812 Prefixes from 32-bit ASNs in the Routing Table: 134853 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: 578 Number of addresses announced to Internet: 3031256832 Equivalent to 180 /8s, 173 /16s and 79 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 282611 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215278 Total APNIC prefixes after maximum aggregation: 62964 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211514 Unique aggregates announced from the APNIC address blocks: 89405 APNIC Region origin ASes present in the Internet Routing Table: 11432 APNIC Prefixes per ASN: 18.50 APNIC Region origin ASes announcing only one prefix: 3273 APNIC Region transit ASes present in the Internet Routing Table: 1622 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6647 Number of APNIC addresses announced to Internet: 773180672 Equivalent to 46 /8s, 21 /16s and 205 /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, 131072-143673 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: 246136 Total ARIN prefixes after maximum aggregation: 112792 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246550 Unique aggregates announced from the ARIN address blocks: 117837 ARIN Region origin ASes present in the Internet Routing Table: 18753 ARIN Prefixes per ASN: 13.15 ARIN Region origin ASes announcing only one prefix: 6795 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3841 Number of ARIN addresses announced to Internet: 1263504896 Equivalent to 75 /8s, 79 /16s and 142 /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: 236677 Total RIPE prefixes after maximum aggregation: 110360 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 232607 Unique aggregates announced from the RIPE address blocks: 141576 RIPE Region origin ASes present in the Internet Routing Table: 27899 RIPE Prefixes per ASN: 8.34 RIPE Region origin ASes announcing only one prefix: 11970 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 58 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10153 Number of RIPE addresses announced to Internet: 710686720 Equivalent to 42 /8s, 92 /16s and 56 /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: 112452 Total LACNIC prefixes after maximum aggregation: 26396 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 113551 Unique aggregates announced from the LACNIC address blocks: 46922 LACNIC Region origin ASes present in the Internet Routing Table: 10753 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2036 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8376 Number of LACNIC addresses announced to Internet: 176394240 Equivalent to 10 /8s, 131 /16s and 144 /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: 25835 Total AfriNIC prefixes after maximum aggregation: 4929 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 32665 Unique aggregates announced from the AfriNIC address blocks: 10467 AfriNIC Region origin ASes present in the Internet Routing Table: 1446 AfriNIC Prefixes per ASN: 22.59 AfriNIC Region origin ASes announcing only one prefix: 491 AfriNIC Region transit ASes present in the Internet Routing Table: 291 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 795 Number of AfriNIC addresses announced to Internet: 107047168 Equivalent to 6 /8s, 97 /16s and 105 /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 5727 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3492 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2883 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2339 481 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2206 11358 560 KIXS-AS-KR Korea Telecom, KR 4755 2120 441 191 TATACOMM-AS TATA Communications formerl 45090 2097 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1949 314 16 TOT-NET TOT Public Company Limited, TH 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 5060 9365 2246 AMAZON-02, US 11492 4771 316 644 CABLEONE, US 7155 4028 264 32 VIASAT-SP-BACKBONE, US 22773 3927 2998 244 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3465 1785 2433 AKAMAI-AS, US 6327 3351 1317 68 SHAW, CA 30036 2558 372 157 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2536 5039 485 CENTURYLINK-US-LEGACY-QWEST, US 5650 2299 2989 1606 FRONTIER-FRTR, US 5972 2229 451 789 DNIC-ASBLK-05800-06055, 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 12479 6566 1725 146 UNI2-AS, ES 20940 3604 3359 190 AKAMAI-ASN1, NL 8551 3396 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2884 2284 895 ROSTELECOM-AS, RU 9009 2419 247 1297 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1587 885 581 TCI, IR 61317 1561 286 788 ASDETUK http://www.heficed.com, GB 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 8544 3476 577 Uninet S.A. de C.V., MX 10620 3414 526 617 Telmex Colombia S.A., CO 11830 2491 369 62 Instituto Costarricense de Electricidad 7303 1944 2058 69 Telecom Argentina S.A., AR 13999 1691 448 427 Mega Cable, S.A. de C.V., MX 6503 1449 311 477 Axtel, S.A.B. de C.V., MX 28573 1383 2280 225 CLARO S.A., BR 3816 1229 644 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 377 39 Telefonica del Peru S.A.A., PE 11664 1002 210 400 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 1583 393 22 LINKdotNET-AS, EG 24835 1445 494 28 RAYA-AS, EG 36992 1185 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 731 68 11 ORANGE-COTE-IVOIRE, CI 6713 594 1863 34 IAM-AS, MA 36935 521 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 485 48 22 WANANCHI-, KE 23889 439 232 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 8544 3476 577 Uninet S.A. de C.V., MX 12479 6566 1725 146 UNI2-AS, ES 7545 5727 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5060 9365 2246 AMAZON-02, US 11492 4771 316 644 CABLEONE, US 7155 4028 264 32 VIASAT-SP-BACKBONE, US 22773 3927 2998 244 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3604 3359 190 AKAMAI-ASN1, NL 7713 3519 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 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 6566 6420 UNI2-AS, ES 9808 5181 5129 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5727 5055 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4771 4127 CABLEONE, US 7155 4028 3996 VIASAT-SP-BACKBONE, US 22773 3927 3683 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3519 3463 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3604 3414 AKAMAI-ASN1, NL 8551 3396 3356 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 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 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, 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 23.142.80.0/24 Origin: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /8:16 /9:13 /10:40 /11:101 /12:298 /13:584 /14:1188 /15:2033 /16:13476 /17:8237 /18:13651 /19:25263 /20:40682 /21:49412 /22:104333 /23:89358 /24:488768 /25:0 /26:1 /27:0 /28:0 /29:1 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5519 6566 UNI2-AS, ES 11492 3817 4771 CABLEONE, US 6327 3160 3351 SHAW, CA 7155 3116 4028 VIASAT-SP-BACKBONE, US 8151 3109 8544 Uninet S.A. de C.V., MX 22773 2967 3927 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2861 3396 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2229 2558 MEDIACOM-ENTERPRISE-BUSINESS, US 5650 1953 2299 FRONTIER-FRTR, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1886 2:1203 3:122 4:19 5:3537 6:65 7:5 8:1495 11:164 12:1752 13:360 14:2200 15:74 16:15 17:322 18:93 20:122 21:1 22:188 23:4693 24:2400 25:2 27:2515 29:19 31:2337 32:105 34:2 35:40 36:1242 37:3772 38:2080 39:580 40:159 41:3777 42:927 43:2104 44:243 45:15013 46:3653 47:320 49:1598 50:1777 51:92 52:1236 54:224 55:777 56:8 57:59 58:1598 59:1070 60:892 61:2242 62:2243 63:1957 64:5324 65:2381 66:5136 67:2887 68:1155 69:4078 70:1399 71:686 72:3157 74:2586 75:1487 76:686 77:2020 78:1673 79:2562 80:1872 81:1518 82:1348 83:1120 84:1264 85:2677 86:704 87:1803 88:945 89:2994 90:450 91:7327 92:1754 93:2521 94:3112 95:3477 96:1271 97:346 98:991 99:971 100:75 101:1201 102:1427 103:25973 104:3742 105:436 106:721 107:2265 108:710 109:4005 110:1894 111:2702 112:1859 113:1305 114:1441 115:1934 116:1809 117:2219 118:2260 119:1829 120:1068 121:985 122:2240 123:2192 124:1515 125:1897 128:1163 129:1212 130:844 131:2028 132:741 133:360 134:1591 135:289 136:748 137:927 138:2302 139:1164 140:717 141:1189 142:1157 143:1281 144:1262 145:330 146:1398 147:1298 148:2216 149:1399 150:807 151:1074 152:1551 153:394 154:2415 155:1330 156:1491 157:1174 158:918 159:2043 160:2136 161:1149 162:3265 163:986 164:1529 165:1392 166:587 167:1796 168:3556 169:675 170:4267 171:770 172:2172 173:2950 174:994 175:1068 176:3125 177:4282 178:2891 179:1932 180:2319 181:2602 182:3164 183:1641 184:2423 185:18229 186:4215 187:3174 188:3293 189:2864 190:8904 191:1372 192:10671 193:8045 194:6599 195:4715 196:2888 197:2185 198:6016 199:6009 200:7410 201:5309 202:10183 203:10107 204:4616 205:3320 206:3459 207:3321 208:4009 209:4652 210:3978 211:2072 212:3653 213:3352 214:1224 215:61 216:6182 217:2536 218:1040 219:476 220:2053 221:933 222:691 223:1703 End of report