IPv4 R&E Routing Table Report 23:05 GMT Sun 09 Feb, 2025 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: 971212 Prefixes after maximum aggregation (per Origin AS): 372083 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473997 Number of IPv4 prefixes with a valid ROA: 528491 Number of IPv4 prefixes with an invalid ROA: 1044 Number of IPv4 prefixes with no ROA: 441677 Total ASes present in the Internet Routing Table: 76437 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65600 Origin ASes announcing only one prefix: 26853 Transit ASes present in the Internet Routing Table: 10837 Transit-only ASes present in the Internet Routing Table: 521 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 72 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1053 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 46100 Number of 32-bit ASNs visible in the Routing Table: 37747 Prefixes from 32-bit ASNs in the Routing Table: 198499 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 486 Number of addresses announced to Internet: 3111321600 Equivalent to 185 /8s, 115 /16s and 0 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 318040 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255225 Total APNIC prefixes after maximum aggregation: 76435 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246723 Unique aggregates announced from the APNIC address blocks: 102632 APNIC Region origin ASes present in the Internet Routing Table: 14447 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4415 APNIC Region transit ASes present in the Internet Routing Table: 1940 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9972 Number of APNIC addresses announced to Internet: 753140992 Equivalent to 44 /8s, 228 /16s and 5 /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: 285681 Total ARIN prefixes after maximum aggregation: 127163 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287167 Unique aggregates announced from the ARIN address blocks: 135102 ARIN Region origin ASes present in the Internet Routing Table: 19169 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7011 ARIN Region transit ASes present in the Internet Routing Table: 1916 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5130 Number of ARIN addresses announced to Internet: 1343310080 Equivalent to 80 /8s, 17 /16s and 73 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 271108 Total RIPE prefixes after maximum aggregation: 131804 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268250 Unique aggregates announced from the RIPE address blocks: 171699 RIPE Region origin ASes present in the Internet Routing Table: 28831 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12067 RIPE Region transit ASes present in the Internet Routing Table: 3961 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12249 Number of RIPE addresses announced to Internet: 732465920 Equivalent to 43 /8s, 168 /16s and 139 /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, 53/8, 57/8, 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: 123476 Total LACNIC prefixes after maximum aggregation: 29227 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120826 Unique aggregates announced from the LACNIC address blocks: 48881 LACNIC Region origin ASes present in the Internet Routing Table: 11195 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2484 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9130 Number of LACNIC addresses announced to Internet: 177872384 Equivalent to 10 /8s, 154 /16s and 30 /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: 34669 Total AfriNIC prefixes after maximum aggregation: 6793 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 47760 Unique aggregates announced from the AfriNIC address blocks: 15275 AfriNIC Region origin ASes present in the Internet Routing Table: 1903 AfriNIC Prefixes per ASN: 25.10 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 370 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 72 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 104269568 Equivalent to 6 /8s, 55 /16s and 7 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6212 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4232 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4211 529 272 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2844 854 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2215 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 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 12721 38945 3720 AMAZON-02, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 174 3633 8757 875 COGENT-174, US 6327 3623 1320 81 SHAW, CA 22773 3379 3034 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2921 3659 446 GOOGLE-CLOUD-PLATFORM, US 16625 2911 1248 2147 AKAMAI-AS, US 30036 2581 359 276 MEDIACOM-ENTERPRISE-BUSINESS, 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 7740 1713 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3888 3395 126 AKAMAI-ASN1, NL 9009 3731 320 1912 M247, RO 12389 2985 2302 890 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1921 139 1416 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1596 1852 14 TE-AS TE-AS, EG 62240 1488 98 748 CLOUVIDER Clouvider - Global ASN, 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 11717 3224 605 UNINET, MX 10620 3543 492 951 Telmex Colombia S.A., CO 13999 2510 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 6147 1108 371 22 Telefonica del Peru S.A.A., PE 22884 1071 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1008 278 33 Techtel LMDS Comunicaciones Interactivas 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 1683 601 30 RAYA-AS, EG 24863 1634 389 16 LINKdotNET-AS, EG 29571 1538 97 99 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 843 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 550 82 3 KENET-AS, 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 16509 12721 38945 3720 AMAZON-02, US 8151 11717 3224 605 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7740 1713 145 UNI2-AS, ES 7545 6212 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 18403 4232 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4211 529 272 BBIL-AP BHARTI Airtel Ltd., IN 7155 4180 287 86 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11717 11112 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7740 7595 UNI2-AS, ES 7545 6212 5547 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4232 4207 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4211 3939 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 3893 VIETEL-AS-AP Viettel Group, VN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 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 CONSOLE-CONNECT-ASN, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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 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 /10:42 /11:93 /12:307 /13:583 /14:1213 /15:2143 /16:13892 /17:8215 /18:13625 /19:24421 /20:43740 /21:51794 /22:111862 /23:100518 /24:598732 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6701 7740 UNI2-AS, ES 8151 5925 11717 UNINET, MX 11492 3555 4698 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2515 3379 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2261 12721 AMAZON-02, US 30036 2241 2581 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2183 3543 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2303 2:1504 3:569 4:9 5:4494 6:165 7:6 8:1545 9:1 11:172 12:1383 13:352 14:2503 15:347 16:270 17:357 18:916 20:450 21:4 22:188 23:7244 24:2734 25:2 27:2710 29:19 31:3120 32:37 34:80 35:200 36:2405 37:4594 38:8582 39:896 40:152 41:4157 42:1922 43:2506 44:348 45:18289 46:4947 47:292 49:1986 50:1882 51:590 52:1572 54:306 55:1097 56:9 57:238 58:2220 59:1177 60:1167 61:2841 62:2930 63:1823 64:5500 65:2201 66:4606 67:3030 68:1119 69:3997 70:1114 71:607 72:2849 74:2780 75:1640 76:628 77:2621 78:1850 79:1704 80:2207 81:2048 82:2284 83:1409 84:1788 85:3300 86:1014 87:2182 88:1276 89:4310 90:754 91:8319 92:2797 93:2859 94:3920 95:4174 96:1291 97:308 98:973 99:736 100:70 101:1379 102:3654 103:32353 104:4661 105:735 106:1019 107:2604 108:1190 109:4073 110:2215 111:3385 112:2044 113:1789 114:1939 115:2167 116:2031 117:2740 118:2843 119:1948 120:1870 121:1349 122:2739 123:2153 124:1600 125:2886 126:94 128:1546 129:951 130:1265 131:1871 132:783 133:450 134:1529 135:322 136:1332 137:1095 138:2904 139:1591 140:1545 141:1470 142:1822 143:1609 144:1056 145:461 146:2128 147:2059 148:2599 149:2853 150:1193 151:1655 152:2150 153:504 154:7971 155:1597 156:3610 157:1875 158:1255 159:2418 160:3539 161:1852 162:3649 163:1786 164:1698 165:2174 166:1351 167:1875 168:4067 169:786 170:5063 171:1001 172:4287 173:3228 174:918 175:1281 176:3600 177:4816 178:3777 179:2248 180:2536 181:3998 182:3366 183:2034 184:2260 185:21444 186:5083 187:4297 188:4217 189:4151 190:9617 191:1524 192:11139 193:9379 194:7732 195:5473 196:3186 197:3559 198:6051 199:8305 200:7948 201:6304 202:10322 203:10519 204:4531 205:3629 206:4601 207:3481 208:4183 209:5119 210:4490 211:2525 212:4524 213:3732 214:1053 215:42 216:6568 217:3104 218:1335 219:376 220:2113 221:1052 222:716 223:2312 End of report