IPv4 R&E Routing Table Report 23:05 GMT Tue 31 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: 925806 Prefixes after maximum aggregation (per Origin AS): 354106 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 454059 Number of IPv4 prefixes with a valid ROA: 426230 Number of IPv4 prefixes with an invalid ROA: 1332 Number of IPv4 prefixes with no ROA: 498244 Total ASes present in the Internet Routing Table: 74783 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64296 Origin ASes announcing only one prefix: 26456 Transit ASes present in the Internet Routing Table: 10487 Transit-only ASes present in the Internet Routing Table: 461 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1031 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 42955 Number of 32-bit ASNs visible in the Routing Table: 35238 Prefixes from 32-bit ASNs in the Routing Table: 175915 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3049548544 Equivalent to 181 /8s, 196 /16s and 107 /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: 308957 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242293 Total APNIC prefixes after maximum aggregation: 70658 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 235821 Unique aggregates announced from the APNIC address blocks: 98969 APNIC Region origin ASes present in the Internet Routing Table: 13606 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 4082 APNIC Region transit ASes present in the Internet Routing Table: 1825 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9008 Number of APNIC addresses announced to Internet: 771510272 Equivalent to 45 /8s, 252 /16s and 80 /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: 272530 Total ARIN prefixes after maximum aggregation: 123988 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276544 Unique aggregates announced from the ARIN address blocks: 132260 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4822 Number of ARIN addresses announced to Internet: 1276473600 Equivalent to 76 /8s, 21 /16s and 113 /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: 261148 Total RIPE prefixes after maximum aggregation: 124339 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256028 Unique aggregates announced from the RIPE address blocks: 160462 RIPE Region origin ASes present in the Internet Routing Table: 28444 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12097 RIPE Region transit ASes present in the Internet Routing Table: 3920 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11395 Number of RIPE addresses announced to Internet: 715285248 Equivalent to 42 /8s, 162 /16s and 99 /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: 118721 Total LACNIC prefixes after maximum aggregation: 28416 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117645 Unique aggregates announced from the LACNIC address blocks: 49309 LACNIC Region origin ASes present in the Internet Routing Table: 11031 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2337 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: 8867 Number of LACNIC addresses announced to Internet: 178353408 Equivalent to 10 /8s, 161 /16s and 117 /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: 30083 Total AfriNIC prefixes after maximum aggregation: 5999 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39264 Unique aggregates announced from the AfriNIC address blocks: 12635 AfriNIC Region origin ASes present in the Internet Routing Table: 1803 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 626 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 107506432 Equivalent to 6 /8s, 104 /16s and 107 /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 9526 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3612 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3322 1840 100 VNPT-AS-VN VNPT Corp, VN 9498 3229 490 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2562 849 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2193 442 203 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 9101 11004 3334 AMAZON-02, US 11492 4540 301 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3514 3038 297 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54942 2412 DNIC-AS-00749, US 367 3070 3867 1432 DNIC-ASBLK-00306-00371, US 16625 3066 1403 2317 AKAMAI-AS, US 396982 2708 3598 399 GOOGLE-CLOUD-PLATFORM, US 7018 2542 23614 1595 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 7410 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4027 3397 141 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3380 294 1600 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1663 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1502 1852 14 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 11939 3373 612 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2413 329 630 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1602 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 53 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 531 55 51 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 24757 480 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 11939 3373 612 UNINET, MX 9808 9526 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9101 11004 3334 AMAZON-02, US 12479 7410 1713 145 UNI2-AS, ES 7545 5715 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4540 301 673 CABLEONE, US 18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4027 3397 141 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 9526 9486 CHINAMOBILE-CN China Mobile Communications Grou 12479 7410 7265 UNI2-AS, ES 16509 9101 5767 AMAZON-02, US 7545 5715 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4260 4235 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 20940 4027 3886 AKAMAI-ASN1, NL 11492 4540 3867 CABLEONE, US 7552 3612 3592 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 23.164.152.0/24 Origin: 210912 Twistic Limited, GB 23.164.152.0/24 Transit: 52041 SCALEBLADE, GB 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 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 /11:100 /12:299 /13:578 /14:1193 /15:2056 /16:13416 /17:8213 /18:13651 /19:24771 /20:43160 /21:51079 /22:109694 /23:98596 /24:558923 /25:0 /26:2 /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 6499 7410 UNI2-AS, ES 8151 5964 11939 UNINET, MX 11492 3453 4540 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2570 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2116 3542 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) ---------------------------------------------- 1:2219 2:1429 3:269 4:5 5:4383 6:159 7:6 8:1500 9:1 11:172 12:1504 13:347 14:2308 15:304 16:202 17:364 18:662 20:313 21:4 22:188 23:6472 24:2522 25:2 27:2584 29:19 31:2544 32:70 34:28 35:115 36:2021 37:4465 38:5454 39:865 40:149 41:3974 42:2070 43:2262 44:324 45:16673 46:4321 47:372 49:1869 50:1872 51:577 52:1588 54:394 55:954 56:5 57:125 58:1812 59:1112 60:1011 61:2555 62:2685 63:1905 64:5502 65:2354 66:4957 67:3050 68:1342 69:4123 70:1185 71:624 72:2939 74:2627 75:1563 76:636 77:2331 78:1827 79:3005 80:2107 81:1829 82:1522 83:1308 84:1602 85:2993 86:766 87:1941 88:1226 89:3949 90:625 91:7871 92:2075 93:2622 94:3562 95:3993 96:1301 97:315 98:1083 99:733 100:91 101:1384 102:2918 103:32111 104:4778 105:575 106:979 107:2793 108:1138 109:4237 110:2133 111:3132 112:2058 113:1744 114:1693 115:1990 116:1915 117:2560 118:2703 119:1951 120:1753 121:1182 122:2610 123:2172 124:1577 125:2593 128:1398 129:908 130:1041 131:1971 132:810 133:408 134:1709 135:299 136:910 137:983 138:2695 139:1566 140:1318 141:1329 142:1545 143:1516 144:996 145:343 146:1959 147:1618 148:2463 149:2361 150:875 151:1240 152:1835 153:535 154:5281 155:1400 156:2038 157:1356 158:1059 159:2189 160:2620 161:1595 162:3510 163:1602 164:1682 165:1848 166:1063 167:1743 168:3830 169:784 170:4644 171:955 172:3867 173:2995 174:976 175:1189 176:3605 177:4485 178:3529 179:2147 180:2518 181:3582 182:3370 183:1988 184:2267 185:20598 186:4710 187:4181 188:4052 189:3909 190:9313 191:1393 192:10951 193:8953 194:7303 195:5214 196:3124 197:2559 198:5923 199:6414 200:7954 201:6190 202:10214 203:10020 204:4532 205:3680 206:4365 207:3405 208:4100 209:4888 210:4212 211:2448 212:4236 213:3395 214:1121 215:71 216:6701 217:2762 218:1278 219:408 220:1801 221:996 222:678 223:2156 End of report