IPv4 R&E Routing Table Report 23:05 GMT Thu 23 May, 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: 943901 Prefixes after maximum aggregation (per Origin AS): 360672 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 462288 Number of IPv4 prefixes with a valid ROA: 475166 Number of IPv4 prefixes with an invalid ROA: 1126 Number of IPv4 prefixes with no ROA: 467609 Total ASes present in the Internet Routing Table: 75640 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65043 Origin ASes announcing only one prefix: 26683 Transit ASes present in the Internet Routing Table: 10597 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1181 Number of instances of unregistered ASNs: 1183 Number of 32-bit ASNs allocated by the RIRs: 44529 Number of 32-bit ASNs visible in the Routing Table: 36405 Prefixes from 32-bit ASNs in the Routing Table: 186042 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 791 Number of addresses announced to Internet: 3027461632 Equivalent to 180 /8s, 115 /16s and 102 /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: 311815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248874 Total APNIC prefixes after maximum aggregation: 73225 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241097 Unique aggregates announced from the APNIC address blocks: 101072 APNIC Region origin ASes present in the Internet Routing Table: 14066 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4299 APNIC Region transit ASes present in the Internet Routing Table: 1872 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9520 Number of APNIC addresses announced to Internet: 761043712 Equivalent to 45 /8s, 92 /16s and 155 /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: 275245 Total ARIN prefixes after maximum aggregation: 124552 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279884 Unique aggregates announced from the ARIN address blocks: 133635 ARIN Region origin ASes present in the Internet Routing Table: 19119 ARIN Prefixes per ASN: 14.64 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1923 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: 4902 Number of ARIN addresses announced to Internet: 1267673600 Equivalent to 75 /8s, 143 /16s and 42 /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: 266094 Total RIPE prefixes after maximum aggregation: 127050 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260763 Unique aggregates announced from the RIPE address blocks: 164164 RIPE Region origin ASes present in the Internet Routing Table: 28611 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: 3898 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11794 Number of RIPE addresses announced to Internet: 714102784 Equivalent to 42 /8s, 144 /16s and 88 /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: 121317 Total LACNIC prefixes after maximum aggregation: 28978 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119537 Unique aggregates announced from the LACNIC address blocks: 49731 LACNIC Region origin ASes present in the Internet Routing Table: 11081 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2394 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8981 Number of LACNIC addresses announced to Internet: 176976384 Equivalent to 10 /8s, 140 /16s and 114 /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: 31190 Total AfriNIC prefixes after maximum aggregation: 6166 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 41829 Unique aggregates announced from the AfriNIC address blocks: 13175 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 22.75 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1208 Number of AfriNIC addresses announced to Internet: 107205376 Equivalent to 6 /8s, 99 /16s and 211 /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 9829 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5637 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3927 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3740 508 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3640 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2794 863 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2194 434 199 TATACOMM-AS TATA Communications formerl 45090 2153 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 9931 11381 3536 AMAZON-02, US 11492 4621 306 598 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3522 8782 868 COGENT-174, US 22773 3476 3026 227 ASN-CXA-ALL-CCI-22773-RDC, US 749 3224 54904 2476 DNIC-AS-00749, US 16625 3041 1303 2195 AKAMAI-AS, US 7018 2844 23661 1795 ATT-INTERNET4, US 367 2778 3431 1295 DNIC-ASBLK-00306-00371, 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 7756 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3801 3396 129 AKAMAI-ASN1, NL 9009 3494 299 1740 M247, RO 12389 2898 2293 860 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 362 581 TELLCOM-AS, TR 212238 1608 118 1176 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1551 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 12190 3306 500 UNINET, MX 10620 3508 492 940 Telmex Colombia S.A., CO 13999 2542 353 665 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1350 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1188 177 437 Techtel LMDS Comunicaciones Interactiva 6503 1125 314 478 Axtel, S.A.B. de C.V., MX 6147 1084 369 22 Telefonica del Peru S.A.A., PE 26615 1075 2503 53 TIM SA, BR 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 1547 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1378 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1208 77 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 528 56 56 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 24757 434 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 12190 3306 500 UNINET, MX 16509 9931 11381 3536 AMAZON-02, US 9808 9829 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7756 1708 145 UNI2-AS, ES 7545 5637 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4621 306 598 CABLEONE, US 18403 4436 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3927 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 9829 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7756 7611 UNI2-AS, ES 16509 9931 6395 AMAZON-02, US 7545 5637 4962 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4436 4413 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4621 4023 CABLEONE, US 7552 3927 3906 VIETEL-AS-AP Viettel Group, VN 20940 3801 3672 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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: 3491 BTN-ASN, US 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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, 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 /11:93 /12:298 /13:573 /14:1169 /15:2050 /16:13221 /17:8142 /18:13597 /19:24406 /20:43060 /21:51061 /22:110599 /23:98972 /24:576586 /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 6850 7756 UNI2-AS, ES 8151 6229 12190 UNINET, MX 11492 3530 4621 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2578 3476 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2137 3508 Telmex Colombia S.A., CO 16509 2127 9931 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2291 2:1518 3:350 4:6 5:4566 6:162 7:6 8:1509 9:1 11:172 12:1465 13:354 14:2368 15:318 16:211 17:363 18:765 20:378 21:4 22:188 23:6734 24:2720 25:2 27:2550 29:19 31:2572 32:45 34:63 35:133 36:2301 37:4481 38:7537 39:896 40:125 41:4099 42:2151 43:2346 44:317 45:17067 46:4487 47:305 49:1943 50:1905 51:580 52:1582 54:313 55:999 56:5 57:176 58:2011 59:1193 60:1027 61:2626 62:2682 63:1887 64:5471 65:2343 66:4670 67:2993 68:1318 69:4104 70:1183 71:585 72:2869 74:2581 75:1551 76:614 77:2479 78:1851 79:2515 80:2191 81:2009 82:1612 83:1339 84:1658 85:3157 86:901 87:1999 88:1249 89:4101 90:685 91:8116 92:2306 93:2709 94:3737 95:4187 96:1272 97:314 98:1035 99:741 100:73 101:1170 102:3379 103:32528 104:4777 105:677 106:948 107:2761 108:1141 109:4152 110:2146 111:3256 112:2058 113:1770 114:1787 115:2059 116:1879 117:2648 118:2830 119:1975 120:1775 121:1278 122:2680 123:2201 124:1620 125:2861 126:32 128:1417 129:923 130:1141 131:1825 132:803 133:412 134:1737 135:321 136:1053 137:1037 138:2804 139:1533 140:1395 141:1343 142:1571 143:1557 144:1012 145:362 146:2063 147:1937 148:2510 149:2726 150:1034 151:1340 152:2142 153:524 154:6603 155:1457 156:2281 157:1788 158:1151 159:2324 160:2657 161:1684 162:3541 163:1697 164:1651 165:2147 166:1173 167:1793 168:3909 169:805 170:4887 171:1029 172:3848 173:3041 174:887 175:1213 176:3681 177:4772 178:3722 179:2200 180:2367 181:3736 182:3397 183:2004 184:2262 185:20788 186:4955 187:4504 188:4072 189:4145 190:9426 191:1539 192:10980 193:9103 194:7499 195:5278 196:3183 197:2518 198:5908 199:7829 200:7976 201:6229 202:10190 203:10145 204:4571 205:3588 206:4438 207:3480 208:4145 209:4996 210:4392 211:2523 212:4316 213:3439 214:1072 215:48 216:6827 217:2991 218:1294 219:415 220:1817 221:1033 222:713 223:2212 End of report