IPv4 R&E Routing Table Report 23:05 GMT Fri 24 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: 927920 Prefixes after maximum aggregation (per Origin AS): 354805 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454487 Number of IPv4 prefixes with a valid ROA: 429167 Number of IPv4 prefixes with an invalid ROA: 1369 Number of IPv4 prefixes with no ROA: 497384 Total ASes present in the Internet Routing Table: 74896 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64408 Origin ASes announcing only one prefix: 26516 Transit ASes present in the Internet Routing Table: 10488 Transit-only ASes present in the Internet Routing Table: 455 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: 1012 Number of instances of unregistered ASNs: 1014 Number of 32-bit ASNs allocated by the RIRs: 43101 Number of 32-bit ASNs visible in the Routing Table: 35380 Prefixes from 32-bit ASNs in the Routing Table: 177101 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: 523 Number of addresses announced to Internet: 3048006400 Equivalent to 181 /8s, 172 /16s and 227 /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: 309159 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243566 Total APNIC prefixes after maximum aggregation: 70990 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236823 Unique aggregates announced from the APNIC address blocks: 99183 APNIC Region origin ASes present in the Internet Routing Table: 13687 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4118 APNIC Region transit ASes present in the Internet Routing Table: 1840 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: 9082 Number of APNIC addresses announced to Internet: 771190784 Equivalent to 45 /8s, 247 /16s and 112 /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: 272444 Total ARIN prefixes after maximum aggregation: 123809 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277126 Unique aggregates announced from the ARIN address blocks: 132270 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1884 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: 4826 Number of ARIN addresses announced to Internet: 1276007424 Equivalent to 76 /8s, 14 /16s and 84 /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: 261702 Total RIPE prefixes after maximum aggregation: 124712 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256212 Unique aggregates announced from the RIPE address blocks: 160462 RIPE Region origin ASes present in the Internet Routing Table: 28476 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12114 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: 11437 Number of RIPE addresses announced to Internet: 714640640 Equivalent to 42 /8s, 152 /16s and 141 /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: 119165 Total LACNIC prefixes after maximum aggregation: 28576 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117938 Unique aggregates announced from the LACNIC address blocks: 49368 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2345 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: 8888 Number of LACNIC addresses announced to Internet: 178353152 Equivalent to 10 /8s, 161 /16s and 116 /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: 30031 Total AfriNIC prefixes after maximum aggregation: 6025 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39298 Unique aggregates announced from the AfriNIC address blocks: 12773 AfriNIC Region origin ASes present in the Internet Routing Table: 1803 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 343 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: 1147 Number of AfriNIC addresses announced to Internet: 107385856 Equivalent to 6 /8s, 102 /16s and 148 /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 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4335 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 3381 494 247 BBIL-AP BHARTI Airtel Ltd., IN 45899 3264 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2616 853 365 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 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 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 3017 3862 1419 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 7471 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4004 3397 141 AKAMAI-ASN1, NL 9009 3462 299 1609 M247, RO 8551 3433 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2870 2296 917 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1602 895 608 TCI, IR 8452 1527 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 12092 3376 609 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 1534 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 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 32 1 MOVITEL, MZ 24757 482 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 12092 3376 609 UNINET, MX 9808 9723 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9346 11142 3305 AMAZON-02, US 12479 7471 1714 146 UNI2-AS, ES 7545 5686 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4559 302 677 CABLEONE, US 18403 4335 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 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 7471 7325 UNI2-AS, ES 16509 9346 6041 AMAZON-02, US 7545 5686 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4335 4310 FPT-AS-AP FPT Telecom Company, VN 7155 4163 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 /16:13408 /17:8184 /18:13676 /19:24786 /20:43135 /21:51095 /22:109961 /23:99128 /24:560249 /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 6565 7471 UNI2-AS, ES 8151 6103 12092 UNINET, MX 11492 3472 4559 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 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) ---------------------------------------------- 1:2232 2:1426 3:276 4:5 5:4385 6:162 7:6 8:1494 9:1 11:172 12:1494 13:375 14:2319 15:303 16:206 17:362 18:684 20:319 21:4 22:188 23:6495 24:2560 25:2 27:2571 29:19 31:2537 32:55 34:33 35:115 36:2035 37:4449 38:5673 39:878 40:149 41:3977 42:2065 43:2292 44:329 45:16621 46:4368 47:373 49:1847 50:1876 51:573 52:1593 54:393 55:877 56:5 57:125 58:1827 59:1115 60:1007 61:2583 62:2724 63:1898 64:5466 65:2353 66:4988 67:3057 68:1351 69:4118 70:1180 71:605 72:2922 74:2623 75:1564 76:624 77:2327 78:1826 79:3018 80:2110 81:1844 82:1515 83:1308 84:1601 85:2959 86:780 87:1946 88:1236 89:3939 90:632 91:7870 92:2145 93:2642 94:3567 95:3993 96:1297 97:316 98:1083 99:738 100:96 101:1417 102:2942 103:32429 104:4785 105:590 106:972 107:2768 108:1135 109:4198 110:2129 111:3118 112:2075 113:1687 114:1718 115:1989 116:1917 117:2556 118:2741 119:1950 120:1769 121:1197 122:2617 123:2180 124:1586 125:2748 128:1429 129:902 130:1050 131:1969 132:817 133:407 134:1716 135:299 136:921 137:1035 138:2692 139:1560 140:1332 141:1330 142:1532 143:1521 144:1002 145:341 146:1986 147:1631 148:2462 149:2298 150:1007 151:1253 152:1830 153:524 154:5269 155:1380 156:2100 157:1355 158:1056 159:2201 160:2608 161:1604 162:3565 163:1620 164:1636 165:1863 166:1095 167:1756 168:3809 169:797 170:4652 171:971 172:3764 173:2991 174:953 175:1210 176:3609 177:4531 178:3522 179:2159 180:2275 181:3593 182:3368 183:2019 184:2273 185:20462 186:4702 187:4275 188:4068 189:3947 190:9259 191:1457 192:10982 193:8959 194:7306 195:5196 196:3128 197:2475 198:5934 199:6526 200:8006 201:6238 202:10223 203:10018 204:4556 205:3674 206:4374 207:3405 208:4082 209:4883 210:4236 211:2451 212:4244 213:3380 214:1118 215:72 216:6730 217:2748 218:1291 219:412 220:1801 221:1001 222:691 223:2185 End of report