IPv4 R&E Routing Table Report 23:05 GMT Sun 17 Mar, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 934556 Prefixes after maximum aggregation (per Origin AS): 357615 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458110 Number of IPv4 prefixes with a valid ROA: 453600 Number of IPv4 prefixes with an invalid ROA: 1040 Number of IPv4 prefixes with no ROA: 479916 Total ASes present in the Internet Routing Table: 75300 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64791 Origin ASes announcing only one prefix: 26586 Transit ASes present in the Internet Routing Table: 10509 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2458272) 56 Prefixes from unregistered ASNs in the Routing Table: 1072 Number of instances of unregistered ASNs: 1129 Number of 32-bit ASNs allocated by the RIRs: 43852 Number of 32-bit ASNs visible in the Routing Table: 35967 Prefixes from 32-bit ASNs in the Routing Table: 181681 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 562 Number of addresses announced to Internet: 3026458112 Equivalent to 180 /8s, 100 /16s and 22 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 308413 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246362 Total APNIC prefixes after maximum aggregation: 72158 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239156 Unique aggregates announced from the APNIC address blocks: 99812 APNIC Region origin ASes present in the Internet Routing Table: 13952 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4223 APNIC Region transit ASes present in the Internet Routing Table: 1853 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9383 Number of APNIC addresses announced to Internet: 760212480 Equivalent to 45 /8s, 79 /16s and 236 /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, 131072-153913 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: 273404 Total ARIN prefixes after maximum aggregation: 123725 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278001 Unique aggregates announced from the ARIN address blocks: 132615 ARIN Region origin ASes present in the Internet Routing Table: 19068 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4855 Number of ARIN addresses announced to Internet: 1269521152 Equivalent to 75 /8s, 171 /16s and 91 /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: 262884 Total RIPE prefixes after maximum aggregation: 126089 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257672 Unique aggregates announced from the RIPE address blocks: 162511 RIPE Region origin ASes present in the Internet Routing Table: 28570 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12142 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11661 Number of RIPE addresses announced to Internet: 714433792 Equivalent to 42 /8s, 149 /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 196608-216475 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: 120724 Total LACNIC prefixes after maximum aggregation: 28756 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119136 Unique aggregates announced from the LACNIC address blocks: 49574 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2622 LACNIC Region transit ASes present in the Internet Routing Table: 2355 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8911 Number of LACNIC addresses announced to Internet: 177175296 Equivalent to 10 /8s, 143 /16s and 123 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30110 Total AfriNIC prefixes after maximum aggregation: 6169 AfriNIC Deaggregation factor: 4.88 Prefixes being announced from the AfriNIC address blocks: 40029 Unique aggregates announced from the AfriNIC address blocks: 13150 AfriNIC Region origin ASes present in the Internet Routing Table: 1778 AfriNIC Prefixes per ASN: 22.51 AfriNIC Region origin ASes announcing only one prefix: 639 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 104817152 Equivalent to 6 /8s, 63 /16s and 98 /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 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4576 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3851 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3512 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3291 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2760 864 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2191 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9717 11332 3386 AMAZON-02, US 11492 4587 304 634 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3600 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3598 1320 75 SHAW, CA 174 3440 6645 674 COGENT-174, US 749 3193 54919 2445 DNIC-AS-00749, US 16625 3185 1379 2274 AKAMAI-AS, US 367 2914 3632 1400 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 GOOGLE-CLOUD-PLATFORM, 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 7670 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3854 3395 125 AKAMAI-ASN1, NL 9009 3251 282 1578 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1520 1852 14 TE-AS TE-AS, EG 44477 1496 98 713 STARK-INDUSTRIES, 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 12361 3321 495 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2501 337 652 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1145 179 422 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1065 113 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1549 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1369 1519 282 ETISALAT-MISR, EG 36903 1246 552 110 MT-MPLS, MA 29571 1058 72 133 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 523 55 53 WANANCHI-, KE 36914 465 82 3 KENET-AS, KE 24757 428 73 5 EthioNet-AS, ET 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 12361 3321 495 UNINET, MX 9808 9822 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9717 11332 3386 AMAZON-02, US 12479 7670 1714 147 UNI2-AS, ES 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4587 304 634 CABLEONE, US 18403 4576 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3854 3395 125 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 9808 9822 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7523 UNI2-AS, ES 16509 9717 6331 AMAZON-02, US 7545 5656 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4576 4551 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4587 3953 CABLEONE, US 7552 3851 3831 VIETEL-AS-AP Viettel Group, VN 20940 3854 3729 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 149767 XHOSTS-AS-AP NEAROUTE LIMITED, HK 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 /9:14 /10:36 /11:95 /12:296 /13:574 /14:1188 /15:2061 /16:13233 /17:8114 /18:13565 /19:24507 /20:43087 /21:50780 /22:109940 /23:98120 /24:568922 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6783 7670 UNI2-AS, ES 8151 6371 12361 UNINET, MX 11492 3500 4587 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3396 3598 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2647 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2268 2:1472 3:314 4:6 5:4517 6:162 7:6 8:1501 9:1 11:172 12:1466 13:381 14:2363 15:315 16:210 17:368 18:750 20:355 21:4 22:188 23:6611 24:2711 25:2 27:2630 29:19 31:2626 32:46 34:61 35:122 36:2205 37:4492 38:7416 39:894 40:125 41:3986 42:2193 43:2311 44:314 45:16854 46:4363 47:296 49:1901 50:1899 51:572 52:1586 54:310 55:949 56:5 57:152 58:1972 59:1123 60:1024 61:2607 62:2687 63:1904 64:5519 65:2318 66:4659 67:3051 68:1328 69:4075 70:1196 71:572 72:2895 74:2581 75:1550 76:632 77:2409 78:1843 79:2475 80:2153 81:1930 82:1509 83:1281 84:1641 85:3087 86:825 87:2000 88:1232 89:4021 90:682 91:8004 92:2190 93:2634 94:3636 95:4125 96:1298 97:312 98:1044 99:741 100:92 101:1163 102:3153 103:32465 104:4765 105:580 106:912 107:2759 108:1128 109:4060 110:2140 111:3204 112:2061 113:1765 114:1769 115:2004 116:1872 117:2615 118:2841 119:1958 120:1784 121:1270 122:2683 123:2194 124:1606 125:2832 126:28 128:1413 129:880 130:1081 131:1804 132:808 133:410 134:1710 135:312 136:945 137:1028 138:2807 139:1558 140:1370 141:1355 142:1559 143:1488 144:1015 145:344 146:2013 147:1707 148:2494 149:2562 150:1033 151:1331 152:1970 153:524 154:5897 155:1378 156:2231 157:1592 158:1102 159:2256 160:2512 161:1635 162:3589 163:1706 164:1619 165:2116 166:1064 167:1758 168:3917 169:781 170:4701 171:994 172:3775 173:3033 174:905 175:1216 176:3644 177:4466 178:3582 179:2232 180:2370 181:3667 182:3363 183:2032 184:2262 185:20603 186:4910 187:4405 188:4024 189:4050 190:9317 191:1454 192:10963 193:9028 194:7430 195:5244 196:3119 197:2528 198:5902 199:7488 200:7990 201:6320 202:10206 203:10130 204:4552 205:3708 206:4441 207:3417 208:4120 209:4996 210:4385 211:2475 212:4288 213:3395 214:1102 215:43 216:6751 217:2808 218:1312 219:409 220:1826 221:1029 222:694 223:2206 End of report