IPv4 R&E Routing Table Report 23:05 GMT Sun 20 Aug, 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: 921248 Prefixes after maximum aggregation (per Origin AS): 350740 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452471 Number of IPv4 prefixes with a valid ROA: 417414 Number of IPv4 prefixes with an invalid ROA: 1513 Number of IPv4 prefixes with no ROA: 502321 Total ASes present in the Internet Routing Table: 74559 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64130 Origin ASes announcing only one prefix: 26335 Transit ASes present in the Internet Routing Table: 10429 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 21 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1010 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 42488 Number of 32-bit ASNs visible in the Routing Table: 34928 Prefixes from 32-bit ASNs in the Routing Table: 173701 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3050800896 Equivalent to 181 /8s, 215 /16s and 135 /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: 99.6 Total number of prefixes smaller than registry allocations: 307980 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241138 Total APNIC prefixes after maximum aggregation: 69733 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234770 Unique aggregates announced from the APNIC address blocks: 98863 APNIC Region origin ASes present in the Internet Routing Table: 13508 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4004 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8891 Number of APNIC addresses announced to Internet: 772821248 Equivalent to 46 /8s, 16 /16s and 81 /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: 270579 Total ARIN prefixes after maximum aggregation: 123434 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272666 Unique aggregates announced from the ARIN address blocks: 130854 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1881 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1275220480 Equivalent to 76 /8s, 2 /16s and 82 /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: 260332 Total RIPE prefixes after maximum aggregation: 122525 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257177 Unique aggregates announced from the RIPE address blocks: 160026 RIPE Region origin ASes present in the Internet Routing Table: 28387 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3908 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: 11286 Number of RIPE addresses announced to Internet: 716315392 Equivalent to 42 /8s, 178 /16s and 27 /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: 118095 Total LACNIC prefixes after maximum aggregation: 28413 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117165 Unique aggregates announced from the LACNIC address blocks: 49562 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2324 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8819 Number of LACNIC addresses announced to Internet: 178436096 Equivalent to 10 /8s, 162 /16s and 184 /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: 30094 Total AfriNIC prefixes after maximum aggregation: 5938 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38945 Unique aggregates announced from the AfriNIC address blocks: 12732 AfriNIC Region origin ASes present in the Internet Routing Table: 1771 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1116 Number of AfriNIC addresses announced to Internet: 107625984 Equivalent to 6 /8s, 106 /16s and 62 /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 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5702 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3085 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2483 844 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 8849 10968 3211 AMAZON-02, US 11492 4527 300 624 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3551 3039 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3081 1502 2321 AKAMAI-AS, US 367 2977 3826 1405 DNIC-ASBLK-00306-00371, US 396982 2685 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2498 358 396 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 7340 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 154 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2294 916 ROSTELECOM-AS, RU 9009 2675 247 1386 M247, RO 34984 2322 362 599 TELLCOM-AS, TR 58224 1816 943 541 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1523 102 1188 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 11603 3358 607 UNINET, MX 10620 3528 506 848 Telmex Colombia S.A., CO 13999 2439 365 643 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1271 344 510 Axtel, S.A.B. de C.V., MX 6147 1113 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 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 1594 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 24757 477 73 5 EthioNet-AS, ET 37342 472 32 1 MOVITEL, MZ 15399 440 54 48 WANANCHI-, KE 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 11603 3358 607 UNINET, MX 9808 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8849 10968 3211 AMAZON-02, US 12479 7340 1713 145 UNI2-AS, ES 7545 5702 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 624 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4078 3398 154 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 9519 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7340 7195 UNI2-AS, ES 16509 8849 5638 AMAZON-02, US 7545 5702 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4078 3924 AKAMAI-ASN1, NL 11492 4527 3903 CABLEONE, US 7552 3730 3709 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 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 /11:102 /12:296 /13:573 /14:1193 /15:2098 /16:13460 /17:8200 /18:13732 /19:24827 /20:43376 /21:51035 /22:109417 /23:98489 /24:554373 /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 6426 7340 UNI2-AS, ES 8151 5645 11603 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3437 4527 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2600 3551 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3528 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) ---------------------------------------------- 1:2229 2:1373 3:226 4:5 5:4553 6:138 7:6 8:1510 9:1 11:172 12:1508 13:378 14:2306 15:302 16:194 17:373 18:603 20:280 21:4 22:188 23:6389 24:2483 25:6 27:2529 29:19 31:2526 32:78 34:26 35:114 36:1990 37:4617 38:5146 39:858 40:147 41:3993 42:2086 43:2291 44:321 45:16521 46:4310 47:384 49:1790 50:1856 51:595 52:1598 54:392 55:967 56:8 57:122 58:1816 59:1116 60:996 61:2509 62:2694 63:1912 64:5571 65:2331 66:4902 67:3008 68:1324 69:4086 70:1194 71:656 72:2952 74:2611 75:1569 76:614 77:2449 78:1837 79:2984 80:2121 81:1795 82:1499 83:1277 84:1522 85:2975 86:759 87:1982 88:1173 89:3843 90:617 91:7811 92:2069 93:2595 94:3513 95:4003 96:1295 97:317 98:1082 99:734 100:90 101:1315 102:2916 103:31940 104:4560 105:568 106:881 107:2564 108:1126 109:4248 110:2112 111:3136 112:2065 113:1740 114:1649 115:1994 116:1903 117:2538 118:2693 119:1976 120:1788 121:1086 122:2574 123:2141 124:1577 125:2478 128:1413 129:1036 130:1022 131:1953 132:850 133:420 134:1788 135:306 136:906 137:968 138:2635 139:1551 140:1248 141:1294 142:1468 143:1491 144:997 145:340 146:1949 147:1609 148:2393 149:2132 150:868 151:1205 152:1960 153:515 154:4769 155:1385 156:1928 157:1321 158:1083 159:2229 160:2604 161:1554 162:3501 163:1586 164:1702 165:1836 166:999 167:1730 168:3822 169:901 170:4604 171:900 172:3654 173:2972 174:988 175:1179 176:3774 177:4463 178:3543 179:2124 180:2456 181:3483 182:3414 183:2003 184:2289 185:20501 186:4740 187:4112 188:4131 189:3699 190:9250 191:1381 192:10916 193:8926 194:7293 195:5172 196:3209 197:2472 198:5924 199:6068 200:7858 201:6016 202:10235 203:9998 204:4531 205:3657 206:4254 207:3379 208:4094 209:4882 210:4184 211:2440 212:4252 213:3564 214:1090 215:60 216:6658 217:2767 218:1266 219:411 220:1797 221:975 222:665 223:2151 End of report