IPv4 R&E Routing Table Report 23:05 GMT Sat 24 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: 931958 Prefixes after maximum aggregation (per Origin AS): 356441 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457059 Number of IPv4 prefixes with a valid ROA: 447256 Number of IPv4 prefixes with an invalid ROA: 1054 Number of IPv4 prefixes with no ROA: 483648 Total ASes present in the Internet Routing Table: 75259 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64754 Origin ASes announcing only one prefix: 26587 Transit ASes present in the Internet Routing Table: 10505 Transit-only ASes present in the Internet Routing Table: 476 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43704 Number of 32-bit ASNs visible in the Routing Table: 35886 Prefixes from 32-bit ASNs in the Routing Table: 180923 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: 522 Number of addresses announced to Internet: 3041639424 Equivalent to 181 /8s, 75 /16s and 188 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 307776 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245558 Total APNIC prefixes after maximum aggregation: 72209 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238376 Unique aggregates announced from the APNIC address blocks: 99990 APNIC Region origin ASes present in the Internet Routing Table: 13900 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4193 APNIC Region transit ASes present in the Internet Routing Table: 1850 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9336 Number of APNIC addresses announced to Internet: 774048256 Equivalent to 46 /8s, 35 /16s and 10 /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: 272117 Total ARIN prefixes after maximum aggregation: 123176 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276770 Unique aggregates announced from the ARIN address blocks: 132254 ARIN Region origin ASes present in the Internet Routing Table: 19061 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6980 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: 1269989376 Equivalent to 75 /8s, 178 /16s and 128 /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: 262005 Total RIPE prefixes after maximum aggregation: 125534 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256923 Unique aggregates announced from the RIPE address blocks: 161679 RIPE Region origin ASes present in the Internet Routing Table: 28539 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3893 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: 11612 Number of RIPE addresses announced to Internet: 713437952 Equivalent to 42 /8s, 134 /16s and 51 /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: 120989 Total LACNIC prefixes after maximum aggregation: 28756 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119532 Unique aggregates announced from the LACNIC address blocks: 49514 LACNIC Region origin ASes present in the Internet Routing Table: 11066 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2638 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: 8919 Number of LACNIC addresses announced to Internet: 177671424 Equivalent to 10 /8s, 151 /16s and 13 /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: 30231 Total AfriNIC prefixes after maximum aggregation: 6060 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39835 Unique aggregates announced from the AfriNIC address blocks: 13190 AfriNIC Region origin ASes present in the Internet Routing Table: 1824 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1174 Number of AfriNIC addresses announced to Internet: 106190336 Equivalent to 6 /8s, 84 /16s and 86 /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 9820 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4530 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3882 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 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 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 9655 11246 3335 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3608 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3215 1400 2288 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3132 6638 660 COGENT-174, US 367 2883 3641 1402 DNIC-ASBLK-00306-00371, US 396982 2758 3639 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 7611 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3874 3395 126 AKAMAI-ASN1, NL 9009 3252 283 1584 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1502 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 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 12501 3373 609 UNINET, MX 10620 3523 496 891 Telmex Colombia S.A., CO 13999 2522 342 644 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1330 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1309 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1210 349 490 Axtel, S.A.B. de C.V., MX 11664 1143 179 420 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 115 378 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 24835 1550 545 28 RAYA-AS, EG 24863 1545 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1152 74 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 520 55 52 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 464 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 12501 3373 609 UNINET, MX 9808 9820 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9655 11246 3335 AMAZON-02, US 12479 7611 1714 147 UNI2-AS, ES 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4530 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3882 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9820 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7611 7464 UNI2-AS, ES 16509 9655 6320 AMAZON-02, US 7545 5656 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4530 4505 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3882 3861 VIETEL-AS-AP Viettel Group, VN 20940 3874 3748 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 23.172.120.0/24 Origin: 47272 HYEHOST HYEHOST Hosting Solutions, GB 23.172.120.0/24 Transit: 21738 ROZINT, 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 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 /12:300 /13:573 /14:1190 /15:2057 /16:13327 /17:8107 /18:13565 /19:24596 /20:43107 /21:50835 /22:109732 /23:98035 /24:566362 /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 6726 7611 UNI2-AS, ES 8151 6450 12501 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2654 3608 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3523 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2284 2:1518 3:301 4:6 5:4465 6:164 7:6 8:1484 9:1 11:172 12:1468 13:389 14:2347 15:313 16:208 17:366 18:736 20:356 21:4 22:188 23:6595 24:2699 25:2 27:2566 29:19 31:2558 32:45 34:40 35:121 36:2192 37:4498 38:6961 39:892 40:140 41:3977 42:2170 43:2297 44:328 45:16778 46:4342 47:287 49:1895 50:1896 51:575 52:1584 54:312 55:879 56:5 57:149 58:1966 59:1121 60:1019 61:2610 62:2667 63:1905 64:5514 65:2328 66:4651 67:3045 68:1336 69:4044 70:1196 71:575 72:2892 74:2584 75:1554 76:630 77:2401 78:1837 79:2473 80:2133 81:1907 82:1503 83:1242 84:1622 85:3084 86:837 87:1965 88:1225 89:3989 90:676 91:7902 92:2188 93:2631 94:3642 95:4072 96:1285 97:312 98:1029 99:745 100:92 101:1160 102:3080 103:32462 104:4763 105:599 106:929 107:2760 108:1115 109:4025 110:2137 111:3158 112:2057 113:1749 114:1764 115:1979 116:1948 117:2655 118:2754 119:1949 120:1785 121:1267 122:2674 123:2192 124:1562 125:2837 126:28 128:1478 129:915 130:1086 131:1818 132:814 133:412 134:1707 135:312 136:922 137:1025 138:2775 139:1537 140:1368 141:1346 142:1555 143:1473 144:1006 145:343 146:2007 147:1699 148:2507 149:2517 150:1025 151:1322 152:1979 153:525 154:5684 155:1375 156:2089 157:1544 158:1095 159:2221 160:2604 161:1629 162:3596 163:1698 164:1635 165:2107 166:1064 167:1701 168:3926 169:787 170:4692 171:1002 172:3826 173:3015 174:894 175:1216 176:3634 177:4515 178:3546 179:2202 180:2372 181:3637 182:3400 183:2018 184:2263 185:20601 186:4856 187:4411 188:4012 189:4114 190:9312 191:1408 192:10945 193:8983 194:7405 195:5235 196:3118 197:2536 198:5899 199:7214 200:8080 201:6318 202:10148 203:10121 204:4518 205:3718 206:4422 207:3419 208:4109 209:4948 210:4368 211:2479 212:4273 213:3396 214:1116 215:44 216:6702 217:2812 218:1316 219:408 220:1822 221:1021 222:695 223:2205 End of report