IPv4 R&E Routing Table Report 23:05 GMT Fri 01 Mar, 2024 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: 932963 Prefixes after maximum aggregation (per Origin AS): 356965 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457978 Number of IPv4 prefixes with a valid ROA: 449192 Number of IPv4 prefixes with an invalid ROA: 1053 Number of IPv4 prefixes with no ROA: 482718 Total ASes present in the Internet Routing Table: 75248 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64758 Origin ASes announcing only one prefix: 26560 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 471 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1084 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 43732 Number of 32-bit ASNs visible in the Routing Table: 35899 Prefixes from 32-bit ASNs in the Routing Table: 181208 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: 546 Number of addresses announced to Internet: 3040670976 Equivalent to 181 /8s, 60 /16s and 245 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308143 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245662 Total APNIC prefixes after maximum aggregation: 72246 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238428 Unique aggregates announced from the APNIC address blocks: 100073 APNIC Region origin ASes present in the Internet Routing Table: 13914 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4199 APNIC Region transit ASes present in the Internet Routing Table: 1844 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9352 Number of APNIC addresses announced to Internet: 774051328 Equivalent to 46 /8s, 35 /16s and 22 /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: 272505 Total ARIN prefixes after maximum aggregation: 123363 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277251 Unique aggregates announced from the ARIN address blocks: 132564 ARIN Region origin ASes present in the Internet Routing Table: 19059 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4843 Number of ARIN addresses announced to Internet: 1270000384 Equivalent to 75 /8s, 178 /16s and 171 /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: 262445 Total RIPE prefixes after maximum aggregation: 125831 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257329 Unique aggregates announced from the RIPE address blocks: 162124 RIPE Region origin ASes present in the Internet Routing Table: 28541 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3889 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11623 Number of RIPE addresses announced to Internet: 712595712 Equivalent to 42 /8s, 121 /16s and 89 /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: 120913 Total LACNIC prefixes after maximum aggregation: 28766 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119423 Unique aggregates announced from the LACNIC address blocks: 49547 LACNIC Region origin ASes present in the Internet Routing Table: 11052 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2621 LACNIC Region transit ASes present in the Internet Routing Table: 2368 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: 8905 Number of LACNIC addresses announced to Internet: 177576704 Equivalent to 10 /8s, 149 /16s and 155 /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: 30354 Total AfriNIC prefixes after maximum aggregation: 6045 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39986 Unique aggregates announced from the AfriNIC address blocks: 13227 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1176 Number of AfriNIC addresses announced to Internet: 106134272 Equivalent to 6 /8s, 83 /16s and 123 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4561 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3870 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2746 862 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9665 11262 3358 AMAZON-02, US 11492 4577 304 663 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3602 3043 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 16625 3214 1400 2288 AKAMAI-AS, US 174 3209 6642 667 COGENT-174, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2908 3647 1405 DNIC-ASBLK-00306-00371, US 396982 2760 3640 397 GOOGLE-CLOUD-PLATFORM, 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 7613 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3889 3395 126 AKAMAI-ASN1, NL 9009 3280 285 1599 M247, RO 12389 2893 2304 908 ROSTELECOM-AS, RU 8551 2655 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2350 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1505 1852 14 TE-AS TE-AS, EG 44477 1491 98 710 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 12525 3356 609 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2526 343 645 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1342 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 373 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 24835 1550 545 28 RAYA-AS, EG 24863 1518 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1159 74 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 531 55 53 WANANCHI-, KE 36914 484 82 3 KENET-AS, KE 24757 449 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 12525 3356 609 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9665 11262 3358 AMAZON-02, US 12479 7613 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4577 304 663 CABLEONE, US 18403 4561 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3889 3395 126 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7613 7466 UNI2-AS, ES 16509 9665 6307 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4561 4536 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4577 3914 CABLEONE, US 7552 3870 3849 VIETEL-AS-AP Viettel Group, VN 20940 3889 3763 AKAMAI-ASN1, NL 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 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 /10:36 /11:98 /12:299 /13:573 /14:1191 /15:2058 /16:13334 /17:8120 /18:13570 /19:24564 /20:43090 /21:50846 /22:109760 /23:97970 /24:567416 /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 6728 7613 UNI2-AS, ES 8151 6468 12525 UNINET, MX 11492 3493 4577 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2649 3602 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2131 2655 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2129 3524 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) ---------------------------------------------- 1:2285 2:1525 3:306 4:6 5:4495 6:161 7:6 8:1498 9:1 11:172 12:1469 13:388 14:2350 15:313 16:208 17:366 18:741 20:356 21:4 22:188 23:6612 24:2698 25:2 27:2567 29:19 31:2618 32:45 34:44 35:122 36:2195 37:4496 38:7064 39:893 40:140 41:4069 42:2184 43:2303 44:323 45:16860 46:4344 47:287 49:1896 50:1892 51:575 52:1583 54:311 55:887 56:5 57:147 58:1968 59:1121 60:1021 61:2610 62:2691 63:1901 64:5510 65:2328 66:4664 67:3046 68:1338 69:4052 70:1197 71:574 72:2894 74:2583 75:1553 76:630 77:2402 78:1835 79:2473 80:2141 81:1918 82:1501 83:1244 84:1643 85:3085 86:836 87:1968 88:1229 89:4007 90:684 91:7941 92:2196 93:2630 94:3648 95:4102 96:1286 97:313 98:1036 99:742 100:91 101:1161 102:3082 103:32478 104:4755 105:608 106:927 107:2765 108:1125 109:4030 110:2138 111:3165 112:2054 113:1754 114:1767 115:1978 116:1945 117:2648 118:2763 119:1952 120:1786 121:1269 122:2673 123:2195 124:1561 125:2833 126:28 128:1498 129:913 130:1085 131:1810 132:812 133:410 134:1708 135:311 136:920 137:1026 138:2787 139:1539 140:1369 141:1347 142:1551 143:1478 144:1019 145:343 146:2014 147:1700 148:2485 149:2545 150:1022 151:1322 152:1978 153:526 154:5728 155:1385 156:2092 157:1565 158:1099 159:2226 160:2604 161:1627 162:3593 163:1702 164:1624 165:2112 166:1064 167:1700 168:3936 169:788 170:4705 171:999 172:3840 173:3019 174:898 175:1217 176:3633 177:4490 178:3554 179:2215 180:2369 181:3664 182:3401 183:2021 184:2263 185:20588 186:4857 187:4396 188:4007 189:4084 190:9278 191:1432 192:10964 193:8993 194:7440 195:5249 196:3134 197:2552 198:5897 199:7299 200:8048 201:6354 202:10140 203:10111 204:4552 205:3701 206:4438 207:3406 208:4141 209:4960 210:4372 211:2481 212:4279 213:3389 214:1108 215:44 216:6699 217:2811 218:1313 219:406 220:1826 221:1023 222:695 223:2207 End of report