IPv4 R&E Routing Table Report 23:05 GMT Sat 25 Nov, 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: 927921 Prefixes after maximum aggregation (per Origin AS): 354710 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454502 Number of IPv4 prefixes with a valid ROA: 429296 Number of IPv4 prefixes with an invalid ROA: 1371 Number of IPv4 prefixes with no ROA: 497254 Total ASes present in the Internet Routing Table: 74885 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64400 Origin ASes announcing only one prefix: 26499 Transit ASes present in the Internet Routing Table: 10485 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1024 Number of instances of unregistered ASNs: 1026 Number of 32-bit ASNs allocated by the RIRs: 43102 Number of 32-bit ASNs visible in the Routing Table: 35379 Prefixes from 32-bit ASNs in the Routing Table: 177180 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3047753472 Equivalent to 181 /8s, 169 /16s and 7 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309365 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243560 Total APNIC prefixes after maximum aggregation: 70973 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236830 Unique aggregates announced from the APNIC address blocks: 99197 APNIC Region origin ASes present in the Internet Routing Table: 13683 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4109 APNIC Region transit ASes present in the Internet Routing Table: 1834 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9079 Number of APNIC addresses announced to Internet: 771251712 Equivalent to 45 /8s, 248 /16s and 94 /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: 272169 Total ARIN prefixes after maximum aggregation: 123752 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276793 Unique aggregates announced from the ARIN address blocks: 132249 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1883 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: 4825 Number of ARIN addresses announced to Internet: 1275749632 Equivalent to 76 /8s, 10 /16s and 101 /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: 261743 Total RIPE prefixes after maximum aggregation: 124715 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256277 Unique aggregates announced from the RIPE address blocks: 160490 RIPE Region origin ASes present in the Internet Routing Table: 28467 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11435 Number of RIPE addresses announced to Internet: 714650880 Equivalent to 42 /8s, 152 /16s and 181 /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: 119364 Total LACNIC prefixes after maximum aggregation: 28556 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118153 Unique aggregates announced from the LACNIC address blocks: 49362 LACNIC Region origin ASes present in the Internet Routing Table: 11046 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2682 LACNIC Region transit ASes present in the Internet Routing Table: 2346 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: 8889 Number of LACNIC addresses announced to Internet: 178349312 Equivalent to 10 /8s, 161 /16s and 101 /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: 30061 Total AfriNIC prefixes after maximum aggregation: 6026 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39343 Unique aggregates announced from the AfriNIC address blocks: 12775 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 635 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: 1151 Number of AfriNIC addresses announced to Internet: 107388416 Equivalent to 6 /8s, 102 /16s and 158 /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 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5686 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4338 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3643 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3382 494 248 BBIL-AP BHARTI Airtel Ltd., IN 45899 3264 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2617 852 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 200 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 9346 11142 3305 AMAZON-02, US 11492 4559 302 677 CABLEONE, US 7155 4166 288 98 VIASAT-SP-BACKBONE, US 6327 3557 1320 67 SHAW, CA 22773 3507 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3143 1393 2309 AKAMAI-AS, US 367 3005 3828 1413 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2589 23619 1604 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 7470 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4004 3397 141 AKAMAI-ASN1, NL 9009 3468 300 1613 M247, RO 8551 3433 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2871 2296 918 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 58224 1614 896 588 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1530 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 12093 3376 606 UNINET, MX 10620 3526 499 871 Telmex Colombia S.A., CO 13999 2469 337 645 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1330 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1302 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 11664 1081 173 433 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 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 1600 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 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 12093 3376 606 UNINET, MX 9808 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9346 11142 3305 AMAZON-02, US 12479 7470 1714 146 UNI2-AS, ES 7545 5686 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4559 302 677 CABLEONE, US 18403 4338 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 98 VIASAT-SP-BACKBONE, US 20940 4004 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 9723 9682 CHINAMOBILE-CN China Mobile Communications Grou 12479 7470 7324 UNI2-AS, ES 16509 9346 6041 AMAZON-02, US 7545 5686 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4338 4313 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4068 VIASAT-SP-BACKBONE, US 11492 4559 3882 CABLEONE, US 20940 4004 3863 AKAMAI-ASN1, NL 7552 3643 3623 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 8.10.69.0/24 174 COGENT-174, 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 3356 LEVEL3, 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 /11:99 /12:298 /13:578 /14:1191 /15:2055 /16:13406 /17:8184 /18:13677 /19:24783 /20:43107 /21:51108 /22:109960 /23:99094 /24:560304 /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 6564 7470 UNI2-AS, ES 8151 6107 12093 UNINET, MX 11492 3472 4559 CABLEONE, US 6327 3367 3557 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3115 4166 VIASAT-SP-BACKBONE, US 8551 2910 3433 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2562 3507 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3526 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) ---------------------------------------------- 1:2234 2:1427 3:275 4:5 5:4384 6:161 7:6 8:1493 9:1 11:172 12:1494 13:375 14:2322 15:303 16:206 17:366 18:684 20:319 21:4 22:188 23:6493 24:2560 25:2 27:2573 29:19 31:2541 32:55 34:33 35:115 36:2036 37:4454 38:5656 39:878 40:149 41:3975 42:2067 43:2292 44:329 45:16634 46:4370 47:373 49:1854 50:1877 51:573 52:1593 54:393 55:877 56:5 57:125 58:1827 59:1113 60:1010 61:2583 62:2723 63:1897 64:5473 65:2353 66:4991 67:3057 68:1351 69:4121 70:1180 71:605 72:2922 74:2623 75:1561 76:624 77:2329 78:1826 79:3019 80:2110 81:1842 82:1514 83:1309 84:1601 85:2964 86:780 87:1946 88:1236 89:3942 90:632 91:7866 92:2143 93:2640 94:3568 95:3992 96:1297 97:316 98:1083 99:739 100:96 101:1418 102:2958 103:32419 104:4776 105:591 106:972 107:2755 108:1135 109:4199 110:2128 111:3130 112:2075 113:1687 114:1718 115:1989 116:1916 117:2568 118:2741 119:1949 120:1769 121:1198 122:2617 123:2181 124:1586 125:2748 128:1430 129:902 130:1049 131:1971 132:815 133:407 134:1714 135:299 136:917 137:1035 138:2689 139:1557 140:1331 141:1332 142:1531 143:1514 144:1003 145:341 146:1986 147:1628 148:2448 149:2299 150:997 151:1254 152:1829 153:524 154:5267 155:1378 156:2100 157:1355 158:1053 159:2200 160:2606 161:1604 162:3559 163:1620 164:1632 165:1863 166:1096 167:1758 168:3817 169:797 170:4663 171:971 172:3764 173:2993 174:953 175:1211 176:3609 177:4552 178:3529 179:2169 180:2263 181:3600 182:3368 183:2019 184:2259 185:20466 186:4771 187:4293 188:4073 189:3952 190:9283 191:1461 192:10970 193:8962 194:7305 195:5198 196:3131 197:2475 198:5933 199:6518 200:8008 201:6249 202:10222 203:10015 204:4557 205:3595 206:4374 207:3406 208:4081 209:4883 210:4236 211:2451 212:4237 213:3381 214:1109 215:72 216:6729 217:2750 218:1290 219:412 220:1801 221:1001 222:691 223:2186 End of report