IPv4 R&E Routing Table Report 23:05 GMT Wed 27 Dec, 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: 930067 Prefixes after maximum aggregation (per Origin AS): 356064 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455618 Number of IPv4 prefixes with a valid ROA: 434548 Number of IPv4 prefixes with an invalid ROA: 770 Number of IPv4 prefixes with no ROA: 494749 Total ASes present in the Internet Routing Table: 74980 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64609 Origin ASes announcing only one prefix: 26548 Transit ASes present in the Internet Routing Table: 10371 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1014 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 35537 Prefixes from 32-bit ASNs in the Routing Table: 178356 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: 509 Number of addresses announced to Internet: 3046522880 Equivalent to 181 /8s, 150 /16s and 64 /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: 309734 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244363 Total APNIC prefixes after maximum aggregation: 71454 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237526 Unique aggregates announced from the APNIC address blocks: 99452 APNIC Region origin ASes present in the Internet Routing Table: 13768 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4145 APNIC Region transit ASes present in the Internet Routing Table: 1838 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9177 Number of APNIC addresses announced to Internet: 770449408 Equivalent to 45 /8s, 236 /16s and 32 /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: 272668 Total ARIN prefixes after maximum aggregation: 124262 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277382 Unique aggregates announced from the ARIN address blocks: 132725 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1838 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4823 Number of ARIN addresses announced to Internet: 1275343104 Equivalent to 76 /8s, 4 /16s and 49 /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: 261919 Total RIPE prefixes after maximum aggregation: 125008 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256512 Unique aggregates announced from the RIPE address blocks: 160844 RIPE Region origin ASes present in the Internet Routing Table: 28486 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3869 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11485 Number of RIPE addresses announced to Internet: 714396928 Equivalent to 42 /8s, 148 /16s and 213 /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: 119790 Total LACNIC prefixes after maximum aggregation: 28611 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118467 Unique aggregates announced from the LACNIC address blocks: 49388 LACNIC Region origin ASes present in the Internet Routing Table: 11046 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2340 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8898 Number of LACNIC addresses announced to Internet: 178299136 Equivalent to 10 /8s, 160 /16s and 161 /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: 30313 Total AfriNIC prefixes after maximum aggregation: 6020 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39671 Unique aggregates announced from the AfriNIC address blocks: 12788 AfriNIC Region origin ASes present in the Internet Routing Table: 1810 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154 Number of AfriNIC addresses announced to Internet: 107741184 Equivalent to 6 /8s, 108 /16s and 0 /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 9779 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3406 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2229 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 9467 11201 3345 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3490 3033 287 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3199 1420 2327 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3859 1420 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2530 23624 1576 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 7559 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 3994 3397 140 AKAMAI-ASN1, NL 9009 3493 300 1631 M247, RO 8551 3346 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2301 912 ROSTELECOM-AS, RU 34984 2332 360 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1453 95 718 STARK-INDUSTRIES, GB 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 12153 3383 597 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1105 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1058 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 517 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 24757 478 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 12153 3383 597 UNINET, MX 9808 9779 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9467 11201 3345 AMAZON-02, US 12479 7559 1714 146 UNI2-AS, ES 7545 5679 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3994 3397 140 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 9779 9729 CHINAMOBILE-CN China Mobile Communications Grou 12479 7559 7413 UNI2-AS, ES 16509 9467 6122 AMAZON-02, US 7545 5679 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4533 4508 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3994 3854 AKAMAI-ASN1, NL 7552 3650 3630 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 36.50.238.0/24 Origin: 152192 GMTECH-AS-AP GM Tech, BD 36.50.238.0/24 Transit: 56264 TOMATOWEB-BD Tomato Web Pvt Limited, BD 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 /13:577 /14:1191 /15:2058 /16:13387 /17:8152 /18:13637 /19:24749 /20:43140 /21:51174 /22:109956 /23:99202 /24:562372 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6648 7559 UNI2-AS, ES 8151 6155 12153 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2823 3346 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2554 3490 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2129 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2282 2:1405 3:283 4:5 5:4394 6:163 7:6 8:1493 9:1 11:172 12:1488 13:373 14:2329 15:309 16:206 17:360 18:711 20:344 21:4 22:188 23:6549 24:2596 25:2 27:2550 29:19 31:2542 32:53 34:36 35:117 36:2123 37:4474 38:5799 39:884 40:147 41:4125 42:2188 43:2297 44:326 45:16648 46:4337 47:283 49:1894 50:1882 51:572 52:1594 54:377 55:893 56:5 57:127 58:1856 59:1112 60:1012 61:2584 62:2740 63:1906 64:5498 65:2343 66:4960 67:3042 68:1337 69:4052 70:1170 71:609 72:2917 74:2620 75:1548 76:625 77:2335 78:1824 79:3005 80:2111 81:1868 82:1522 83:1319 84:1606 85:2968 86:786 87:1964 88:1230 89:3960 90:657 91:7892 92:2175 93:2631 94:3584 95:3991 96:1298 97:316 98:1014 99:738 100:94 101:1150 102:3006 103:32344 104:4774 105:600 106:974 107:2760 108:1142 109:4150 110:2127 111:3156 112:2078 113:1714 114:1743 115:2007 116:1932 117:2617 118:2769 119:1941 120:1754 121:1252 122:2626 123:2173 124:1577 125:2769 128:1425 129:900 130:1065 131:1964 132:820 133:411 134:1700 135:295 136:884 137:1033 138:2726 139:1546 140:1338 141:1351 142:1534 143:1525 144:997 145:339 146:2017 147:1631 148:2485 149:2392 150:1015 151:1309 152:1838 153:528 154:5425 155:1369 156:2094 157:1369 158:1080 159:2202 160:2617 161:1611 162:3595 163:1626 164:1614 165:1854 166:1064 167:1736 168:3813 169:789 170:4695 171:974 172:3770 173:3011 174:890 175:1216 176:3578 177:4613 178:3524 179:2220 180:2353 181:3636 182:3417 183:2022 184:2270 185:20473 186:4796 187:4308 188:4011 189:3957 190:9326 191:1484 192:10993 193:8978 194:7354 195:5222 196:3129 197:2580 198:5903 199:6818 200:8005 201:6249 202:10199 203:10075 204:4565 205:3654 206:4388 207:3386 208:4068 209:4905 210:4323 211:2494 212:4213 213:3369 214:1122 215:50 216:6766 217:2768 218:1289 219:415 220:1818 221:1019 222:686 223:2190 End of report