IPv4 R&E Routing Table Report 23:05 GMT Wed 04 Oct, 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: 924855 Prefixes after maximum aggregation (per Origin AS): 352351 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453070 Number of IPv4 prefixes with a valid ROA: 423675 Number of IPv4 prefixes with an invalid ROA: 1735 Number of IPv4 prefixes with no ROA: 499445 Total ASes present in the Internet Routing Table: 74717 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64270 Origin ASes announcing only one prefix: 26444 Transit ASes present in the Internet Routing Table: 10447 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 992 Number of instances of unregistered ASNs: 994 Number of 32-bit ASNs allocated by the RIRs: 42761 Number of 32-bit ASNs visible in the Routing Table: 35142 Prefixes from 32-bit ASNs in the Routing Table: 175240 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3052248576 Equivalent to 181 /8s, 237 /16s and 158 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309316 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241409 Total APNIC prefixes after maximum aggregation: 70229 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235026 Unique aggregates announced from the APNIC address blocks: 98892 APNIC Region origin ASes present in the Internet Routing Table: 13592 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4079 APNIC Region transit ASes present in the Internet Routing Table: 1808 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8983 Number of APNIC addresses announced to Internet: 772251904 Equivalent to 46 /8s, 7 /16s and 161 /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: 272087 Total ARIN prefixes after maximum aggregation: 123432 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 275618 Unique aggregates announced from the ARIN address blocks: 131744 ARIN Region origin ASes present in the Internet Routing Table: 19041 ARIN Prefixes per ASN: 14.47 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1875 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1277201920 Equivalent to 76 /8s, 32 /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: 261618 Total RIPE prefixes after maximum aggregation: 123642 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256764 Unique aggregates announced from the RIPE address blocks: 159965 RIPE Region origin ASes present in the Internet Routing Table: 28418 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11347 Number of RIPE addresses announced to Internet: 716189952 Equivalent to 42 /8s, 176 /16s and 49 /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: 118616 Total LACNIC prefixes after maximum aggregation: 28370 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117586 Unique aggregates announced from the LACNIC address blocks: 49341 LACNIC Region origin ASes present in the Internet Routing Table: 11029 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8853 Number of LACNIC addresses announced to Internet: 178479872 Equivalent to 10 /8s, 163 /16s and 99 /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: 30133 Total AfriNIC prefixes after maximum aggregation: 5985 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39334 Unique aggregates announced from the AfriNIC address blocks: 12689 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 632 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146 Number of AfriNIC addresses announced to Internet: 107697408 Equivalent to 6 /8s, 107 /16s and 85 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3597 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3333 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3194 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2531 850 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 201 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 9103 10992 3253 AMAZON-02, US 11492 4537 301 673 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3520 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3017 3845 1422 DNIC-ASBLK-00306-00371, US 16625 2987 1406 2286 AKAMAI-AS, US 396982 2700 3597 396 GOOGLE-CLOUD-PLATFORM, US 30036 2494 358 385 MEDIACOM-ENTERPRISE-BUSINESS, 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 7372 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4069 3398 152 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2903 2296 913 ROSTELECOM-AS, RU 9009 2884 264 1472 M247, RO 34984 2336 363 595 TELLCOM-AS, TR 58224 1721 923 531 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1520 1852 16 TE-AS TE-AS, EG 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 11811 3380 603 UNINET, MX 10620 3533 504 857 Telmex Colombia S.A., CO 13999 2410 331 624 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1076 169 427 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1572 393 19 LINKdotNET-AS, EG 24835 1535 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 527 55 51 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 477 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 11811 3380 603 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9103 10992 3253 AMAZON-02, US 12479 7372 1713 145 UNI2-AS, ES 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 673 CABLEONE, US 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4069 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7372 7227 UNI2-AS, ES 16509 9103 5850 AMAZON-02, US 7545 5734 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4245 4220 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4069 3917 AKAMAI-ASN1, NL 11492 4537 3864 CABLEONE, US 7552 3597 3577 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 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 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 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:37 /11:101 /12:299 /13:578 /14:1194 /15:2094 /16:13448 /17:8223 /18:13735 /19:24863 /20:43336 /21:51172 /22:109605 /23:98553 /24:557578 /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 6458 7372 UNI2-AS, ES 8151 5836 11811 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2575 3520 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3533 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) ---------------------------------------------- 1:2202 2:1411 3:266 4:5 5:4441 6:137 7:6 8:1498 9:1 11:172 12:1513 13:371 14:2317 15:304 16:191 17:368 18:658 20:287 21:4 22:188 23:6429 24:2508 25:2 27:2584 29:19 31:2542 32:75 34:26 35:114 36:2002 37:4542 38:5370 39:865 40:143 41:4027 42:2057 43:2269 44:321 45:16594 46:4272 47:370 49:1825 50:1879 51:582 52:1593 54:392 55:914 56:5 57:124 58:1785 59:1115 60:1003 61:2540 62:2677 63:1907 64:5656 65:2354 66:4963 67:3029 68:1342 69:4153 70:1189 71:666 72:2939 74:2609 75:1563 76:624 77:2298 78:1828 79:2992 80:2100 81:1823 82:1518 83:1306 84:1544 85:3089 86:764 87:1998 88:1205 89:3912 90:621 91:7822 92:2060 93:2620 94:3533 95:4060 96:1300 97:315 98:1081 99:732 100:90 101:1288 102:2918 103:32117 104:4746 105:577 106:905 107:2725 108:1130 109:4229 110:2132 111:3142 112:2056 113:1750 114:1686 115:1995 116:1877 117:2534 118:2699 119:1957 120:1776 121:1120 122:2599 123:2166 124:1573 125:2548 128:1394 129:914 130:1037 131:1984 132:836 133:408 134:1782 135:306 136:972 137:975 138:2632 139:1588 140:1287 141:1331 142:1511 143:1556 144:1005 145:352 146:1955 147:1602 148:2466 149:2277 150:872 151:1228 152:1987 153:523 154:5072 155:1386 156:1997 157:1340 158:1058 159:2178 160:2641 161:1591 162:3516 163:1607 164:1696 165:1861 166:1072 167:1736 168:3726 169:796 170:4634 171:922 172:3796 173:2960 174:980 175:1183 176:3764 177:4468 178:3551 179:2149 180:2460 181:3530 182:3363 183:1992 184:2269 185:20632 186:4736 187:4155 188:4146 189:3868 190:9282 191:1377 192:10950 193:8970 194:7299 195:5206 196:3186 197:2471 198:5919 199:6149 200:7905 201:6164 202:10170 203:10001 204:4536 205:3694 206:4324 207:3401 208:4116 209:4871 210:4213 211:2446 212:4276 213:3385 214:1112 215:70 216:6685 217:2775 218:1267 219:405 220:1801 221:980 222:661 223:2145 End of report