IPv4 R&E Routing Table Report 23:05 GMT Tue 13 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: 933039 Prefixes after maximum aggregation (per Origin AS): 356613 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456802 Number of IPv4 prefixes with a valid ROA: 443884 Number of IPv4 prefixes with an invalid ROA: 1058 Number of IPv4 prefixes with no ROA: 488097 Total ASes present in the Internet Routing Table: 75189 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64699 Origin ASes announcing only one prefix: 26527 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 470 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: 1061 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 43610 Number of 32-bit ASNs visible in the Routing Table: 35794 Prefixes from 32-bit ASNs in the Routing Table: 180537 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: 491 Number of addresses announced to Internet: 3040485888 Equivalent to 181 /8s, 58 /16s and 34 /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: 309420 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245475 Total APNIC prefixes after maximum aggregation: 72071 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238285 Unique aggregates announced from the APNIC address blocks: 99987 APNIC Region origin ASes present in the Internet Routing Table: 13880 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4182 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: 9304 Number of APNIC addresses announced to Internet: 773935104 Equivalent to 46 /8s, 33 /16s and 80 /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: 273642 Total ARIN prefixes after maximum aggregation: 123484 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278425 Unique aggregates announced from the ARIN address blocks: 132108 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1894 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: 4838 Number of ARIN addresses announced to Internet: 1269269248 Equivalent to 75 /8s, 167 /16s and 131 /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: 261791 Total RIPE prefixes after maximum aggregation: 125576 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256540 Unique aggregates announced from the RIPE address blocks: 161520 RIPE Region origin ASes present in the Internet Routing Table: 28521 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12097 RIPE Region transit ASes present in the Internet Routing Table: 3890 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: 11570 Number of RIPE addresses announced to Internet: 713373696 Equivalent to 42 /8s, 133 /16s and 56 /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: 120550 Total LACNIC prefixes after maximum aggregation: 28705 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119138 Unique aggregates announced from the LACNIC address blocks: 49545 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2363 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: 8912 Number of LACNIC addresses announced to Internet: 177382144 Equivalent to 10 /8s, 146 /16s and 163 /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: 30520 Total AfriNIC prefixes after maximum aggregation: 6072 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40160 Unique aggregates announced from the AfriNIC address blocks: 13236 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 642 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: 1170 Number of AfriNIC addresses announced to Internet: 106230016 Equivalent to 6 /8s, 84 /16s and 241 /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 9814 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3483 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2700 860 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 197 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 9646 11228 3361 AMAZON-02, US 11492 4579 304 654 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 22773 3610 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3593 1320 75 SHAW, CA 16625 3204 1394 2284 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3119 6641 663 COGENT-174, US 367 2931 3731 1430 DNIC-ASBLK-00306-00371, US 396982 2752 3639 394 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 7590 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3864 3396 132 AKAMAI-ASN1, NL 9009 3291 286 1596 M247, RO 12389 2895 2302 909 ROSTELECOM-AS, RU 8551 2643 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1482 97 713 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 12347 3371 621 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2506 338 639 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 340 498 Axtel, S.A.B. de C.V., MX 11664 1134 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 375 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 1546 545 28 RAYA-AS, EG 24863 1526 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1127 72 57 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 539 82 3 KENET-AS, KE 15399 523 55 52 WANANCHI-, KE 24757 487 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 12347 3371 621 UNINET, MX 9808 9814 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9646 11228 3361 AMAZON-02, US 12479 7590 1698 149 UNI2-AS, ES 7545 5674 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4579 304 654 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 7552 3877 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 9814 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7590 7441 UNI2-AS, ES 16509 9646 6285 AMAZON-02, US 7545 5674 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4082 VIASAT-SP-BACKBONE, US 11492 4579 3925 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3864 3732 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 /13:574 /14:1190 /15:2059 /16:13315 /17:8091 /18:13547 /19:24625 /20:43118 /21:51151 /22:109813 /23:98770 /24:566314 /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 6707 7590 UNI2-AS, ES 8151 6332 12347 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3593 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3122 4178 VIASAT-SP-BACKBONE, US 22773 2656 3610 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2119 2643 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) ---------------------------------------------- 1:2307 2:1536 3:297 4:6 5:4471 6:165 7:6 8:1495 9:1 11:172 12:1468 13:387 14:2343 15:311 16:203 17:359 18:733 20:353 21:4 22:188 23:6577 24:2705 25:2 27:2551 29:19 31:2550 32:45 34:39 35:121 36:2173 37:4476 38:6889 39:900 40:140 41:4058 42:2215 43:2287 44:331 45:16828 46:4334 47:286 49:1899 50:1893 51:568 52:1591 54:335 55:882 56:5 57:145 58:1966 59:1144 60:1018 61:2624 62:2670 63:1921 64:5521 65:2329 66:4890 67:3047 68:1334 69:4088 70:1197 71:578 72:2911 74:2641 75:1551 76:628 77:2352 78:1843 79:2459 80:2131 81:1891 82:1523 83:1248 84:1634 85:3068 86:783 87:1966 88:1219 89:3979 90:672 91:7909 92:2187 93:2632 94:3632 95:4058 96:1285 97:313 98:1031 99:744 100:95 101:1152 102:3090 103:32466 104:4766 105:597 106:916 107:2761 108:1128 109:4018 110:2146 111:3158 112:2059 113:1738 114:1747 115:1980 116:1952 117:2643 118:2751 119:1942 120:1785 121:1261 122:2632 123:2183 124:1558 125:2812 126:28 128:1467 129:916 130:1084 131:1823 132:817 133:411 134:1700 135:310 136:921 137:1010 138:2778 139:1535 140:1363 141:1348 142:1557 143:1513 144:1005 145:343 146:2007 147:1693 148:2507 149:2507 150:1022 151:1324 152:1977 153:527 154:5689 155:1370 156:2096 157:1507 158:1095 159:2200 160:2611 161:1626 162:3600 163:1691 164:1630 165:2108 166:1059 167:1707 168:3805 169:793 170:4707 171:996 172:3824 173:3004 174:897 175:1216 176:3632 177:4554 178:3531 179:2228 180:2363 181:3685 182:3420 183:2014 184:2267 185:20557 186:4824 187:4383 188:3982 189:4060 190:9310 191:1438 192:10973 193:8984 194:7383 195:5252 196:3150 197:2656 198:5902 199:7157 200:8044 201:6265 202:10142 203:10110 204:4535 205:3695 206:4365 207:3400 208:4104 209:4914 210:4364 211:2505 212:4264 213:3402 214:1112 215:44 216:6790 217:2757 218:1313 219:423 220:1823 221:1019 222:692 223:2201 End of report