IPv4 R&E Routing Table Report 23:05 GMT Wed 11 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: 925598 Prefixes after maximum aggregation (per Origin AS): 352568 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453462 Number of IPv4 prefixes with a valid ROA: 425452 Number of IPv4 prefixes with an invalid ROA: 1728 Number of IPv4 prefixes with no ROA: 498418 Total ASes present in the Internet Routing Table: 74720 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64262 Origin ASes announcing only one prefix: 26453 Transit ASes present in the Internet Routing Table: 10458 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: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 995 Number of instances of unregistered ASNs: 998 Number of 32-bit ASNs allocated by the RIRs: 42807 Number of 32-bit ASNs visible in the Routing Table: 35173 Prefixes from 32-bit ASNs in the Routing Table: 175395 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3051896832 Equivalent to 181 /8s, 232 /16s and 64 /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: 309497 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241673 Total APNIC prefixes after maximum aggregation: 70296 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235238 Unique aggregates announced from the APNIC address blocks: 98961 APNIC Region origin ASes present in the Internet Routing Table: 13603 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4076 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: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8992 Number of APNIC addresses announced to Internet: 772219648 Equivalent to 46 /8s, 7 /16s and 35 /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: 272320 Total ARIN prefixes after maximum aggregation: 123363 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 275955 Unique aggregates announced from the ARIN address blocks: 131921 ARIN Region origin ASes present in the Internet Routing Table: 19045 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4818 Number of ARIN addresses announced to Internet: 1277080832 Equivalent to 76 /8s, 30 /16s and 181 /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: 261936 Total RIPE prefixes after maximum aggregation: 123866 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256994 Unique aggregates announced from the RIPE address blocks: 160164 RIPE Region origin ASes present in the Internet Routing Table: 28406 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3912 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: 11351 Number of RIPE addresses announced to Internet: 716084736 Equivalent to 42 /8s, 174 /16s and 150 /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: 118520 Total LACNIC prefixes after maximum aggregation: 28382 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117487 Unique aggregates announced from the LACNIC address blocks: 49320 LACNIC Region origin ASes present in the Internet Routing Table: 11042 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2709 LACNIC Region transit ASes present in the Internet Routing Table: 2334 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: 8869 Number of LACNIC addresses announced to Internet: 178456064 Equivalent to 10 /8s, 163 /16s and 6 /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: 30154 Total AfriNIC prefixes after maximum aggregation: 5979 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39406 Unique aggregates announced from the AfriNIC address blocks: 12665 AfriNIC Region origin ASes present in the Internet Routing Table: 1797 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 340 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: 1143 Number of AfriNIC addresses announced to Internet: 107635456 Equivalent to 6 /8s, 106 /16s and 99 /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 5738 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3333 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3205 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2536 850 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2191 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 9105 10992 3280 AMAZON-02, US 11492 4538 301 670 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3524 3039 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54958 2414 DNIC-AS-00749, US 367 3037 3852 1427 DNIC-ASBLK-00306-00371, US 16625 2987 1390 2280 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 30036 2499 359 367 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 7389 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4074 3398 152 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3090 276 1514 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 58224 1713 922 551 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1521 1852 15 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 11854 3378 607 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2414 331 627 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1332 2324 232 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 1071 169 428 Techtel LMDS Comunicaciones Interactiva 26615 1031 2501 50 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 1605 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 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 540 55 53 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 24757 479 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 11854 3378 607 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9105 10992 3280 AMAZON-02, US 12479 7389 1713 145 UNI2-AS, ES 7545 5738 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 670 CABLEONE, US 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4074 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 7389 7244 UNI2-AS, ES 16509 9105 5825 AMAZON-02, US 7545 5738 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4247 4222 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4074 3922 AKAMAI-ASN1, NL 11492 4538 3868 CABLEONE, US 7552 3594 3574 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 /14:1193 /15:2091 /16:13438 /17:8226 /18:13714 /19:24844 /20:43309 /21:51208 /22:109747 /23:98624 /24:558150 /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 6475 7389 UNI2-AS, ES 8151 5877 11854 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2578 3524 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2108 3534 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) ---------------------------------------------- 1:2207 2:1434 3:266 4:5 5:4385 6:137 7:6 8:1498 9:1 11:172 12:1502 13:365 14:2318 15:303 16:194 17:367 18:659 20:300 21:4 22:188 23:6440 24:2516 25:2 27:2582 29:19 31:2543 32:75 34:26 35:114 36:2002 37:4531 38:5389 39:870 40:143 41:4038 42:2059 43:2271 44:321 45:16556 46:4284 47:371 49:1826 50:1881 51:581 52:1592 54:391 55:898 56:5 57:128 58:1785 59:1114 60:1003 61:2545 62:2695 63:1911 64:5643 65:2349 66:4971 67:3035 68:1345 69:4125 70:1188 71:667 72:2941 74:2619 75:1566 76:628 77:2298 78:1827 79:3004 80:2096 81:1823 82:1524 83:1308 84:1553 85:3048 86:759 87:2014 88:1202 89:3910 90:623 91:7840 92:2062 93:2626 94:3546 95:4073 96:1299 97:316 98:1083 99:733 100:90 101:1292 102:2906 103:32141 104:4736 105:577 106:907 107:2723 108:1134 109:4231 110:2136 111:3145 112:2057 113:1751 114:1681 115:1994 116:1878 117:2535 118:2711 119:1959 120:1784 121:1133 122:2598 123:2173 124:1577 125:2560 128:1396 129:912 130:1040 131:1965 132:853 133:408 134:1782 135:304 136:1013 137:973 138:2640 139:1590 140:1299 141:1320 142:1514 143:1603 144:1003 145:350 146:1960 147:1611 148:2445 149:2327 150:877 151:1231 152:1955 153:523 154:5125 155:1393 156:1995 157:1344 158:1059 159:2194 160:2641 161:1578 162:3516 163:1602 164:1694 165:1857 166:1068 167:1737 168:3817 169:794 170:4623 171:950 172:3794 173:2964 174:983 175:1180 176:3756 177:4477 178:3552 179:2144 180:2463 181:3517 182:3369 183:1993 184:2278 185:20620 186:4747 187:4166 188:4150 189:3882 190:9317 191:1372 192:10968 193:8944 194:7295 195:5209 196:3179 197:2469 198:5926 199:6216 200:7931 201:6167 202:10191 203:9998 204:4533 205:3693 206:4315 207:3408 208:4102 209:4882 210:4213 211:2449 212:4280 213:3391 214:1110 215:70 216:6695 217:2770 218:1270 219:407 220:1803 221:982 222:662 223:2146 End of report