IPv4 R&E Routing Table Report 23:05 GMT Mon 12 Aug, 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: 947526 Prefixes after maximum aggregation (per Origin AS): 363108 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464714 Number of IPv4 prefixes with a valid ROA: 490956 Number of IPv4 prefixes with an invalid ROA: 1300 Number of IPv4 prefixes with no ROA: 455270 Total ASes present in the Internet Routing Table: 75878 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65254 Origin ASes announcing only one prefix: 26742 Transit ASes present in the Internet Routing Table: 10624 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 15 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 977 Number of instances of unregistered ASNs: 984 Number of 32-bit ASNs allocated by the RIRs: 45169 Number of 32-bit ASNs visible in the Routing Table: 36829 Prefixes from 32-bit ASNs in the Routing Table: 189910 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 560 Number of addresses announced to Internet: 3026748672 Equivalent to 180 /8s, 104 /16s and 133 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 311176 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250274 Total APNIC prefixes after maximum aggregation: 74275 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242313 Unique aggregates announced from the APNIC address blocks: 102124 APNIC Region origin ASes present in the Internet Routing Table: 14221 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4320 APNIC Region transit ASes present in the Internet Routing Table: 1877 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9686 Number of APNIC addresses announced to Internet: 761415680 Equivalent to 45 /8s, 98 /16s and 72 /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: 277002 Total ARIN prefixes after maximum aggregation: 125232 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281283 Unique aggregates announced from the ARIN address blocks: 134295 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4958 Number of ARIN addresses announced to Internet: 1266128384 Equivalent to 75 /8s, 119 /16s and 150 /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, 393216-402332 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: 265613 Total RIPE prefixes after maximum aggregation: 128129 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261177 Unique aggregates announced from the RIPE address blocks: 165808 RIPE Region origin ASes present in the Internet Routing Table: 28666 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11914 Number of RIPE addresses announced to Internet: 716171520 Equivalent to 42 /8s, 175 /16s and 233 /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: 121836 Total LACNIC prefixes after maximum aggregation: 28397 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 119741 Unique aggregates announced from the LACNIC address blocks: 48051 LACNIC Region origin ASes present in the Internet Routing Table: 11142 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2434 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: 9041 Number of LACNIC addresses announced to Internet: 177927168 Equivalent to 10 /8s, 154 /16s and 244 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31824 Total AfriNIC prefixes after maximum aggregation: 6437 AfriNIC Deaggregation factor: 4.94 Prefixes being announced from the AfriNIC address blocks: 42452 Unique aggregates announced from the AfriNIC address blocks: 13971 AfriNIC Region origin ASes present in the Internet Routing Table: 1869 AfriNIC Prefixes per ASN: 22.71 AfriNIC Region origin ASes announcing only one prefix: 674 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1230 Number of AfriNIC addresses announced to Internet: 104732160 Equivalent to 6 /8s, 62 /16s and 22 /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 9889 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5673 841 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4192 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3952 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3787 507 259 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2812 856 450 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2201 434 198 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10513 11592 3742 AMAZON-02, US 11492 4629 308 545 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3946 8785 899 COGENT-174, US 6327 3597 1320 79 SHAW, CA 22773 3422 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54897 2507 DNIC-AS-00749, US 16625 2954 1265 2137 AKAMAI-AS, US 7018 2943 23674 1844 ATT-INTERNET4, US 396982 2771 3567 416 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 7703 1708 145 UNI2-AS, ES 39891 4471 269 58 ALJAWWALSTC-AS, SA 20940 3790 3396 129 AKAMAI-ASN1, NL 9009 3620 310 1855 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2333 360 582 TELLCOM-AS, TR 8551 1785 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1741 124 1275 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 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 11840 3290 517 UNINET, MX 10620 3532 493 935 Telmex Colombia S.A., CO 13999 2549 619 39 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1342 2310 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 777 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1121 313 480 Axtel, S.A.B. de C.V., MX 19037 1085 278 31 AMX Argentina S.A., AR 26615 1085 2503 53 TIM SA, BR 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1614 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1233 79 218 ORANGE-COTE-IVOIRE, CI 36935 939 521 42 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 543 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 15399 512 56 57 WANANCHI-, KE 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 11840 3290 517 UNINET, MX 16509 10513 11592 3742 AMAZON-02, US 9808 9889 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7703 1708 145 UNI2-AS, ES 7545 5673 841 663 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 545 CABLEONE, US 39891 4471 269 58 ALJAWWALSTC-AS, SA 18403 4192 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3952 1331 22 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 9889 9814 CHINAMOBILE-CN China Mobile Communications Grou 12479 7703 7558 UNI2-AS, ES 16509 10513 6771 AMAZON-02, US 7545 5673 5010 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4471 4413 ALJAWWALSTC-AS, SA 18403 4192 4169 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4084 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3952 3930 VIETEL-AS-AP Viettel Group, VN 20940 3790 3661 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.130.112.0/24 Origin: 62390 NEXONHOST, RO 23.130.112.0/24 Transit: 9002 RETN-AS, GB 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 6453 AS6453, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /9:16 /10:37 /11:92 /12:294 /13:574 /14:1162 /15:2050 /16:13117 /17:8134 /18:13565 /19:24340 /20:43138 /21:51260 /22:110876 /23:99333 /24:579514 /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 6790 7703 UNI2-AS, ES 8151 5930 11840 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3393 3597 SHAW, CA 39891 3357 4471 ALJAWWALSTC-AS, SA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2560 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2161 3532 Telmex Colombia S.A., CO 16509 2147 10513 AMAZON-02, US 30036 2147 2484 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2272 2:1496 3:411 4:6 5:4382 6:162 7:6 8:1518 9:1 11:172 12:1429 13:358 14:2355 15:323 16:258 17:363 18:862 20:407 21:4 22:188 23:6785 24:2705 25:2 27:2612 29:19 31:2633 32:44 34:68 35:136 36:2344 37:4518 38:8252 39:914 40:151 41:4089 42:2005 43:2403 44:329 45:17424 46:4563 47:300 49:1985 50:1842 51:515 52:1578 54:317 55:937 56:8 57:213 58:2152 59:1198 60:1060 61:2688 62:2766 63:1852 64:5445 65:2277 66:4627 67:3002 68:1344 69:4036 70:1153 71:556 72:2855 74:2631 75:1562 76:614 77:2505 78:1847 79:1782 80:2188 81:2017 82:1655 83:1362 84:1695 85:3161 86:976 87:2027 88:1247 89:4201 90:696 91:8192 92:2396 93:2705 94:3737 95:4206 96:1273 97:318 98:1049 99:736 100:73 101:1161 102:3320 103:32271 104:4507 105:699 106:982 107:2374 108:1157 109:4065 110:2140 111:3227 112:2059 113:1800 114:1813 115:2047 116:1949 117:2649 118:2808 119:1982 120:1799 121:1295 122:2688 123:2255 124:1609 125:2831 126:64 128:1355 129:931 130:1184 131:1858 132:807 133:429 134:1471 135:311 136:1131 137:1063 138:2847 139:1528 140:1430 141:1450 142:1668 143:1638 144:1023 145:363 146:2093 147:2035 148:2561 149:2770 150:1061 151:1356 152:2224 153:504 154:6504 155:1432 156:2392 157:1808 158:1177 159:2441 160:2936 161:1695 162:3549 163:1736 164:1682 165:2146 166:1269 167:1856 168:4038 169:802 170:4918 171:1034 172:3893 173:3069 174:900 175:1247 176:3451 177:4660 178:3647 179:2179 180:2420 181:3822 182:3330 183:1977 184:2262 185:20942 186:4992 187:4338 188:4087 189:4146 190:9497 191:1533 192:11036 193:9227 194:7461 195:5297 196:3211 197:2730 198:5908 199:8039 200:8051 201:6262 202:10223 203:10346 204:4528 205:3648 206:4458 207:3529 208:4158 209:5038 210:4522 211:2548 212:4395 213:3630 214:1059 215:49 216:6719 217:2937 218:1329 219:434 220:1812 221:1035 222:699 223:2221 End of report