IPv4 R&E Routing Table Report 23:05 GMT Thu 29 Feb, 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: 932690 Prefixes after maximum aggregation (per Origin AS): 356807 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457820 Number of IPv4 prefixes with a valid ROA: 448623 Number of IPv4 prefixes with an invalid ROA: 1063 Number of IPv4 prefixes with no ROA: 483004 Total ASes present in the Internet Routing Table: 75247 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64749 Origin ASes announcing only one prefix: 26559 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 470 Paths with bogon ASNs present in the IPv4 Routing Table: 13 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: 1078 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 43719 Number of 32-bit ASNs visible in the Routing Table: 35897 Prefixes from 32-bit ASNs in the Routing Table: 181103 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3040833024 Equivalent to 181 /8s, 63 /16s and 110 /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: 308075 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245624 Total APNIC prefixes after maximum aggregation: 72226 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238396 Unique aggregates announced from the APNIC address blocks: 100064 APNIC Region origin ASes present in the Internet Routing Table: 13904 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4190 APNIC Region transit ASes present in the Internet Routing Table: 1849 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: 9341 Number of APNIC addresses announced to Internet: 774009344 Equivalent to 46 /8s, 34 /16s and 114 /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: 272398 Total ARIN prefixes after maximum aggregation: 123254 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277115 Unique aggregates announced from the ARIN address blocks: 132531 ARIN Region origin ASes present in the Internet Routing Table: 19061 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6968 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4845 Number of ARIN addresses announced to Internet: 1269996288 Equivalent to 75 /8s, 178 /16s and 155 /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: 262344 Total RIPE prefixes after maximum aggregation: 125797 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257261 Unique aggregates announced from the RIPE address blocks: 162075 RIPE Region origin ASes present in the Internet Routing Table: 28544 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3890 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11626 Number of RIPE addresses announced to Internet: 712663296 Equivalent to 42 /8s, 122 /16s and 97 /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: 121000 Total LACNIC prefixes after maximum aggregation: 28772 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119515 Unique aggregates announced from the LACNIC address blocks: 49506 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2626 LACNIC Region transit ASes present in the Internet Routing Table: 2372 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: 8909 Number of LACNIC addresses announced to Internet: 177667072 Equivalent to 10 /8s, 150 /16s and 252 /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: 30246 Total AfriNIC prefixes after maximum aggregation: 6053 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39858 Unique aggregates announced from the AfriNIC address blocks: 13202 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 106188544 Equivalent to 6 /8s, 84 /16s and 79 /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 9806 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4559 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3879 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 2745 862 371 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 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 9652 11259 3336 AMAZON-02, US 11492 4582 304 645 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3602 3043 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 174 3219 6642 667 COGENT-174, US 16625 3208 1398 2287 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2910 3649 1406 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 7614 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3884 3395 126 AKAMAI-ASN1, NL 9009 3286 285 1599 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2353 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1505 1852 14 TE-AS TE-AS, EG 44477 1468 96 697 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 12513 3356 608 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2527 343 645 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1342 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1310 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1142 179 424 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 1544 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 1157 74 60 ORANGE-COTE-IVOIRE, CI 36935 934 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 531 55 53 WANANCHI-, KE 36914 472 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 12513 3356 608 UNINET, MX 9808 9806 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9652 11259 3336 AMAZON-02, US 12479 7614 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4582 304 645 CABLEONE, US 18403 4559 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3884 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 9806 9754 CHINAMOBILE-CN China Mobile Communications Grou 12479 7614 7467 UNI2-AS, ES 16509 9652 6316 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4559 4534 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4582 3937 CABLEONE, US 7552 3879 3858 VIETEL-AS-AP Viettel Group, VN 20940 3884 3758 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 23.172.200.0/24 Origin: 201217 RADISHCLOUD, US 23.172.200.0/24 Transit: 210000 DAOPORTNETWORKS DAOport Infrastructures, 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 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 /17:8113 /18:13565 /19:24571 /20:43075 /21:50832 /22:109731 /23:97915 /24:567261 /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 6729 7614 UNI2-AS, ES 8151 6461 12513 UNINET, MX 11492 3495 4582 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 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 2129 2653 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) ---------------------------------------------- 1:2286 2:1518 3:305 4:6 5:4496 6:161 7:6 8:1495 9:1 11:172 12:1470 13:384 14:2349 15:313 16:208 17:366 18:739 20:356 21:4 22:188 23:6610 24:2698 25:2 27:2570 29:19 31:2616 32:45 34:45 35:122 36:2195 37:4497 38:7064 39:893 40:139 41:4053 42:2182 43:2300 44:324 45:16844 46:4345 47:285 49:1896 50:1885 51:576 52:1584 54:311 55:888 56:5 57:147 58:1968 59:1120 60:1021 61:2610 62:2689 63:1901 64:5508 65:2326 66:4660 67:3047 68:1338 69:4050 70:1197 71:574 72:2894 74:2582 75:1554 76:630 77:2406 78:1834 79:2474 80:2142 81:1918 82:1499 83:1245 84:1640 85:3092 86:836 87:1967 88:1229 89:3991 90:681 91:7939 92:2196 93:2614 94:3648 95:4080 96:1285 97:313 98:1036 99:744 100:91 101:1161 102:3065 103:32470 104:4749 105:598 106:927 107:2768 108:1121 109:4033 110:2138 111:3165 112:2057 113:1754 114:1767 115:1982 116:1948 117:2648 118:2765 119:1952 120:1786 121:1269 122:2673 123:2194 124:1561 125:2835 126:28 128:1496 129:913 130:1081 131:1817 132:811 133:410 134:1707 135:311 136:917 137:1026 138:2786 139:1538 140:1369 141:1345 142:1559 143:1479 144:1016 145:343 146:2018 147:1700 148:2489 149:2511 150:1018 151:1322 152:1979 153:528 154:5705 155:1382 156:2087 157:1562 158:1132 159:2224 160:2605 161:1628 162:3590 163:1701 164:1624 165:2102 166:1057 167:1695 168:3933 169:786 170:4709 171:1001 172:3837 173:3020 174:898 175:1216 176:3631 177:4484 178:3552 179:2234 180:2365 181:3648 182:3401 183:2023 184:2264 185:20592 186:4851 187:4447 188:4004 189:4114 190:9306 191:1422 192:10957 193:8989 194:7441 195:5248 196:3135 197:2544 198:5901 199:7288 200:8057 201:6345 202:10144 203:10115 204:4546 205:3696 206:4439 207:3411 208:4139 209:4962 210:4372 211:2481 212:4269 213:3393 214:1104 215:44 216:6697 217:2807 218:1313 219:406 220:1826 221:1023 222:695 223:2207 End of report