IPv4 R&E Routing Table Report 23:05 GMT Fri 16 Jun, 2023 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: 918950 Prefixes after maximum aggregation (per Origin AS): 349243 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450539 Number of IPv4 prefixes with a valid ROA: 407330 Number of IPv4 prefixes with an invalid ROA: 1755 Number of IPv4 prefixes with no ROA: 509865 Total ASes present in the Internet Routing Table: 74367 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63886 Origin ASes announcing only one prefix: 26260 Transit ASes present in the Internet Routing Table: 10481 Transit-only ASes present in the Internet Routing Table: 441 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1050 Number of 32-bit ASNs allocated by the RIRs: 42067 Number of 32-bit ASNs visible in the Routing Table: 34664 Prefixes from 32-bit ASNs in the Routing Table: 172090 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 583 Number of addresses announced to Internet: 3054501632 Equivalent to 182 /8s, 15 /16s and 255 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307902 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240106 Total APNIC prefixes after maximum aggregation: 68781 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234214 Unique aggregates announced from the APNIC address blocks: 98441 APNIC Region origin ASes present in the Internet Routing Table: 13366 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3942 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8749 Number of APNIC addresses announced to Internet: 773089024 Equivalent to 46 /8s, 20 /16s and 103 /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: 269523 Total ARIN prefixes after maximum aggregation: 122789 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272212 Unique aggregates announced from the ARIN address blocks: 130451 ARIN Region origin ASes present in the Internet Routing Table: 19076 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4805 Number of ARIN addresses announced to Internet: 1279531520 Equivalent to 76 /8s, 68 /16s and 26 /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: 260123 Total RIPE prefixes after maximum aggregation: 122739 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256123 Unique aggregates announced from the RIPE address blocks: 159212 RIPE Region origin ASes present in the Internet Routing Table: 28334 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3965 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11209 Number of RIPE addresses announced to Internet: 717486592 Equivalent to 42 /8s, 195 /16s and 250 /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: 118458 Total LACNIC prefixes after maximum aggregation: 28348 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117588 Unique aggregates announced from the LACNIC address blocks: 49508 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2304 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: 8800 Number of LACNIC addresses announced to Internet: 176860160 Equivalent to 10 /8s, 138 /16s and 172 /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: 29695 Total AfriNIC prefixes after maximum aggregation: 5844 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38230 Unique aggregates announced from the AfriNIC address blocks: 12449 AfriNIC Region origin ASes present in the Internet Routing Table: 1750 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 612 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1101 Number of AfriNIC addresses announced to Internet: 107135488 Equivalent to 6 /8s, 98 /16s and 194 /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 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3670 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3025 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2427 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 199 TATACOMM-AS TATA Communications formerl 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 8509 10865 3116 AMAZON-02, US 11492 4503 298 624 CABLEONE, US 7155 4104 284 78 VIASAT-SP-BACKBONE, US 22773 3559 3051 264 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3123 1556 2349 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2499 359 427 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2460 24006 1559 ATT-INTERNET4, 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 7301 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4081 3398 161 AKAMAI-ASN1, NL 8551 3460 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2661 247 1382 M247, RO 34984 2297 361 606 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1827 946 537 TCI, IR 61317 1641 110 1272 ASDETUK www.heficed.com, US 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 11356 3372 595 Uninet S.A. de C.V., MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2360 353 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1318 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 439 Techtel LMDS Comunicaciones Interactiva 26615 1034 2498 45 TIM SA, BR 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 1579 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1308 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 478 32 1 MOVITEL, MZ 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 11356 3372 595 Uninet S.A. de C.V., MX 9808 9500 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8509 10865 3116 AMAZON-02, US 12479 7301 1706 141 UNI2-AS, ES 7545 5721 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4503 298 624 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4104 284 78 VIASAT-SP-BACKBONE, US 20940 4081 3398 161 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 9500 9463 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7160 UNI2-AS, ES 16509 8509 5393 AMAZON-02, US 7545 5721 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4104 4026 VIASAT-SP-BACKBONE, US 20940 4081 3920 AKAMAI-ASN1, NL 11492 4503 3879 CABLEONE, US 7552 3670 3649 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /8:16 /9:14 /10:38 /11:103 /12:301 /13:579 /14:1197 /15:2099 /16:13416 /17:8167 /18:13722 /19:24837 /20:42935 /21:51024 /22:109267 /23:97994 /24:553232 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6389 7301 UNI2-AS, ES 8151 5312 11356 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3415 4503 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3090 4104 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2630 3559 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2154 2:1315 3:208 4:5 5:4545 6:131 7:6 8:1508 9:1 11:172 12:1528 13:387 14:2307 15:306 16:190 17:370 18:452 20:260 21:4 22:188 23:6296 24:2583 25:6 27:2511 29:19 31:2506 32:78 34:22 35:108 36:1974 37:4676 38:4912 39:846 40:151 41:3929 42:2004 43:2308 44:309 45:16505 46:4289 47:376 49:1744 50:1864 51:584 52:1594 54:393 55:873 56:8 57:118 58:1815 59:1051 60:985 61:2554 62:2665 63:1902 64:5654 65:2321 66:5017 67:3052 68:1343 69:4124 70:1201 71:673 72:2986 74:2623 75:1557 76:612 77:2445 78:1810 79:2990 80:2116 81:1793 82:1495 83:1260 84:1513 85:3002 86:757 87:2017 88:1171 89:3739 90:616 91:7742 92:2046 93:2616 94:3623 95:4045 96:1315 97:336 98:1135 99:744 100:91 101:1311 102:2788 103:31505 104:4597 105:505 106:951 107:2577 108:1048 109:4194 110:2110 111:3124 112:2041 113:1731 114:1663 115:1992 116:1893 117:2554 118:2603 119:1979 120:1798 121:1069 122:2591 123:2124 124:1573 125:2476 128:1410 129:1046 130:1001 131:1967 132:844 133:422 134:1814 135:307 136:881 137:946 138:2571 139:1544 140:1254 141:1436 142:1449 143:1494 144:1122 145:344 146:1942 147:1585 148:2404 149:2240 150:885 151:1158 152:1937 153:491 154:4567 155:1418 156:1814 157:1317 158:1085 159:2263 160:2572 161:1548 162:3511 163:1531 164:1616 165:1833 166:1087 167:1716 168:3832 169:948 170:4591 171:899 172:3578 173:2958 174:1072 175:1171 176:3762 177:4638 178:3615 179:2174 180:2467 181:3476 182:3392 183:2074 184:2334 185:20346 186:4824 187:3972 188:4101 189:3660 190:9196 191:1474 192:10890 193:8900 194:7342 195:5162 196:3212 197:2387 198:5886 199:6088 200:7894 201:5929 202:10316 203:10265 204:4551 205:3672 206:4234 207:3387 208:4109 209:4873 210:4170 211:2435 212:4226 213:3630 214:1085 215:59 216:6664 217:2731 218:1272 219:410 220:1759 221:962 222:683 223:2151 End of report