IPv4 R&E Routing Table Report 23:05 GMT Tue 30 Apr, 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: 941034 Prefixes after maximum aggregation (per Origin AS): 360179 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461112 Number of IPv4 prefixes with a valid ROA: 467793 Number of IPv4 prefixes with an invalid ROA: 1365 Number of IPv4 prefixes with no ROA: 471876 Total ASes present in the Internet Routing Table: 75541 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64992 Origin ASes announcing only one prefix: 26606 Transit ASes present in the Internet Routing Table: 10549 Transit-only ASes present in the Internet Routing Table: 492 Paths with bogon ASNs present in the IPv4 Routing Table: 12 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1022 Number of instances of unregistered ASNs: 1024 Number of 32-bit ASNs allocated by the RIRs: 44317 Number of 32-bit ASNs visible in the Routing Table: 36249 Prefixes from 32-bit ASNs in the Routing Table: 185077 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: 596 Number of addresses announced to Internet: 3026678528 Equivalent to 180 /8s, 103 /16s and 115 /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: 310560 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248241 Total APNIC prefixes after maximum aggregation: 73024 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240362 Unique aggregates announced from the APNIC address blocks: 100577 APNIC Region origin ASes present in the Internet Routing Table: 14021 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4251 APNIC Region transit ASes present in the Internet Routing Table: 1868 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9470 Number of APNIC addresses announced to Internet: 760668928 Equivalent to 45 /8s, 86 /16s and 227 /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: 274418 Total ARIN prefixes after maximum aggregation: 124591 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 279235 Unique aggregates announced from the ARIN address blocks: 133467 ARIN Region origin ASes present in the Internet Routing Table: 19108 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 4881 Number of ARIN addresses announced to Internet: 1268367360 Equivalent to 75 /8s, 153 /16s and 192 /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: 264922 Total RIPE prefixes after maximum aggregation: 126817 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 259671 Unique aggregates announced from the RIPE address blocks: 163801 RIPE Region origin ASes present in the Internet Routing Table: 28606 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12128 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11745 Number of RIPE addresses announced to Internet: 714262016 Equivalent to 42 /8s, 146 /16s and 198 /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: 121324 Total LACNIC prefixes after maximum aggregation: 28882 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119572 Unique aggregates announced from the LACNIC address blocks: 49618 LACNIC Region origin ASes present in the Internet Routing Table: 11075 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2608 LACNIC Region transit ASes present in the Internet Routing Table: 2365 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8952 Number of LACNIC addresses announced to Internet: 177181184 Equivalent to 10 /8s, 143 /16s and 146 /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: 31107 Total AfriNIC prefixes after maximum aggregation: 6171 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41598 Unique aggregates announced from the AfriNIC address blocks: 13182 AfriNIC Region origin ASes present in the Internet Routing Table: 1835 AfriNIC Prefixes per ASN: 22.67 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1201 Number of AfriNIC addresses announced to Internet: 105880064 Equivalent to 6 /8s, 79 /16s and 154 /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 9827 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5664 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4617 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3881 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3706 506 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3576 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3288 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2783 862 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2196 434 199 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 9793 11353 3519 AMAZON-02, US 11492 4604 305 616 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3612 1320 79 SHAW, CA 174 3579 6633 841 COGENT-174, US 22773 3496 3040 228 ASN-CXA-ALL-CCI-22773-RDC, US 749 3200 54911 2452 DNIC-AS-00749, US 16625 2995 1297 2182 AKAMAI-AS, US 367 2834 3550 1352 DNIC-ASBLK-00306-00371, US 7018 2792 23652 1784 ATT-INTERNET4, 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 7708 1708 144 UNI2-AS, ES 39891 4741 285 59 ALJAWWALSTC-AS, SA 20940 3823 3396 127 AKAMAI-ASN1, NL 9009 3294 285 1616 M247, RO 12389 2727 2290 861 ROSTELECOM-AS, RU 8551 2640 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2347 363 584 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1565 1852 14 TE-AS TE-AS, EG 212238 1558 111 1135 CDNEXT, 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 12309 3311 498 UNINET, MX 10620 3521 495 912 Telmex Colombia S.A., CO 13999 2541 351 662 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1347 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 788 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1169 175 434 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1098 369 22 Telefonica del Peru S.A.A., PE 26615 1069 2503 52 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 1549 545 28 RAYA-AS, EG 24863 1501 389 20 LINKdotNET-AS, EG 36992 1370 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 77 56 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 534 55 55 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 24757 435 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 12309 3311 498 UNINET, MX 9808 9827 8742 61 CHINAMOBILE-CN China Mobile Communicati 16509 9793 11353 3519 AMAZON-02, US 12479 7708 1708 144 UNI2-AS, ES 7545 5664 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 285 59 ALJAWWALSTC-AS, SA 18403 4617 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4604 305 616 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3881 1330 20 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 9827 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7708 7564 UNI2-AS, ES 16509 9793 6274 AMAZON-02, US 7545 5664 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 4682 ALJAWWALSTC-AS, SA 18403 4617 4594 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4604 3988 CABLEONE, US 7552 3881 3861 VIETEL-AS-AP Viettel Group, VN 20940 3823 3696 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, 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 /11:95 /12:298 /13:578 /14:1181 /15:2060 /16:13212 /17:8130 /18:13574 /19:24481 /20:42969 /21:50968 /22:110400 /23:98524 /24:574490 /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 6817 7708 UNI2-AS, ES 8151 6365 12309 UNINET, MX 11492 3513 4604 CABLEONE, US 39891 3424 4741 ALJAWWALSTC-AS, SA 6327 3409 3612 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2596 3496 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2134 3521 Telmex Colombia S.A., CO 8551 2116 2640 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) ---------------------------------------------- 1:2297 2:1483 3:333 4:6 5:4519 6:163 7:6 8:1502 9:1 11:172 12:1460 13:361 14:2369 15:318 16:210 17:367 18:766 20:364 21:4 22:188 23:6693 24:2709 25:2 27:2603 29:19 31:2532 32:45 34:63 35:129 36:2295 37:4469 38:7424 39:894 40:125 41:4126 42:2223 43:2344 44:314 45:17018 46:4461 47:307 49:1899 50:1902 51:573 52:1579 54:310 55:997 56:5 57:168 58:2011 59:1188 60:1031 61:2623 62:2684 63:1897 64:5525 65:2341 66:4656 67:2992 68:1340 69:4105 70:1190 71:577 72:2882 74:2590 75:1555 76:607 77:2466 78:1856 79:2509 80:2187 81:2012 82:1558 83:1331 84:1652 85:3151 86:848 87:1971 88:1241 89:4079 90:670 91:8088 92:2298 93:2678 94:3659 95:4136 96:1289 97:315 98:1048 99:742 100:73 101:1166 102:3172 103:32506 104:4797 105:654 106:937 107:2790 108:1114 109:4058 110:2138 111:3246 112:2059 113:1803 114:1774 115:2036 116:1875 117:2628 118:2843 119:1971 120:1768 121:1268 122:2656 123:2211 124:1611 125:2853 126:32 128:1429 129:929 130:1131 131:1836 132:795 133:410 134:1731 135:321 136:950 137:1036 138:2810 139:1540 140:1391 141:1354 142:1584 143:1484 144:998 145:358 146:2050 147:1869 148:2494 149:2687 150:1036 151:1346 152:2137 153:524 154:6479 155:1455 156:2475 157:1753 158:1149 159:2318 160:2646 161:1656 162:3545 163:1699 164:1640 165:2137 166:1170 167:1790 168:3884 169:793 170:4832 171:995 172:3819 173:3030 174:892 175:1203 176:3630 177:4689 178:3729 179:2219 180:2353 181:3725 182:3390 183:2019 184:2266 185:20740 186:5016 187:4439 188:4065 189:4129 190:9397 191:1465 192:10938 193:9089 194:7478 195:5261 196:3160 197:2498 198:5908 199:7745 200:7941 201:6329 202:10213 203:10152 204:4557 205:3719 206:4451 207:3421 208:4130 209:5011 210:4389 211:2488 212:4264 213:3435 214:1060 215:50 216:6766 217:2957 218:1311 219:408 220:1819 221:1033 222:703 223:2211 End of report