IPv4 R&E Routing Table Report 23:05 GMT Sat 08 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: 971376 Prefixes after maximum aggregation (per Origin AS): 372019 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474011 Number of IPv4 prefixes with a valid ROA: 527686 Number of IPv4 prefixes with an invalid ROA: 1037 Number of IPv4 prefixes with no ROA: 442653 Total ASes present in the Internet Routing Table: 76427 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65597 Origin ASes announcing only one prefix: 26852 Transit ASes present in the Internet Routing Table: 10830 Transit-only ASes present in the Internet Routing Table: 518 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: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1052 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 46088 Number of 32-bit ASNs visible in the Routing Table: 37731 Prefixes from 32-bit ASNs in the Routing Table: 198407 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: 3111515392 Equivalent to 185 /8s, 117 /16s and 245 /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: 318218 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255180 Total APNIC prefixes after maximum aggregation: 76410 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246677 Unique aggregates announced from the APNIC address blocks: 102598 APNIC Region origin ASes present in the Internet Routing Table: 14439 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4410 APNIC Region transit ASes present in the Internet Routing Table: 1937 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: 9963 Number of APNIC addresses announced to Internet: 753194240 Equivalent to 44 /8s, 228 /16s and 213 /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: 285649 Total ARIN prefixes after maximum aggregation: 127141 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287129 Unique aggregates announced from the ARIN address blocks: 135081 ARIN Region origin ASes present in the Internet Routing Table: 19168 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7014 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 5126 Number of ARIN addresses announced to Internet: 1343314176 Equivalent to 80 /8s, 17 /16s and 89 /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: 271120 Total RIPE prefixes after maximum aggregation: 131802 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268251 Unique aggregates announced from the RIPE address blocks: 171724 RIPE Region origin ASes present in the Internet Routing Table: 28830 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12071 RIPE Region transit ASes present in the Internet Routing Table: 3957 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: 12245 Number of RIPE addresses announced to Internet: 732447488 Equivalent to 43 /8s, 168 /16s and 67 /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: 123431 Total LACNIC prefixes after maximum aggregation: 29223 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120785 Unique aggregates announced from the LACNIC address blocks: 48871 LACNIC Region origin ASes present in the Internet Routing Table: 11197 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: 177878272 Equivalent to 10 /8s, 154 /16s and 53 /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: 34944 Total AfriNIC prefixes after maximum aggregation: 6783 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 48048 Unique aggregates announced from the AfriNIC address blocks: 15329 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 25.24 AfriNIC Region origin ASes announcing only one prefix: 691 AfriNIC Region transit ASes present in the Internet Routing Table: 373 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 104418560 Equivalent to 6 /8s, 57 /16s and 77 /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 4247 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 12724 38945 3719 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 3380 3035 184 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 3730 320 1912 M247, RO 12389 2985 2302 890 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1921 139 1416 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 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 2512 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 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1134 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 371 22 Telefonica del Peru S.A.A., PE 22884 1071 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1010 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 1682 601 30 RAYA-AS, EG 24863 1644 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 548 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 12724 38945 3719 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 4247 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 4247 4222 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 23.133.205.0/24 Origin: 23506 TMW, US 23.133.205.0/24 Transit: 215828 TMW-GLOBAL-NETWORKS TMW Global Networks, 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 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 /16:13891 /17:8215 /18:13631 /19:24429 /20:43736 /21:51812 /22:111906 /23:100518 /24:598825 /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 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2262 12724 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 2:1503 3:570 4:9 5:4506 6:165 7:6 8:1545 9:1 11:172 12:1383 13:352 14:2503 15:347 16:270 17:357 18:916 20:451 21:4 22:188 23:7243 24:2732 25:2 27:2709 29:19 31:3125 32:37 34:80 35:200 36:2405 37:4596 38:8577 39:895 40:152 41:4154 42:1929 43:2506 44:348 45:18270 46:4948 47:292 49:1986 50:1883 51:590 52:1572 54:306 55:1098 56:9 57:238 58:2221 59:1177 60:1167 61:2840 62:2931 63:1819 64:5499 65:2201 66:4606 67:3029 68:1119 69:3999 70:1115 71:607 72:2849 74:2781 75:1639 76:628 77:2616 78:1850 79:1697 80:2211 81:2048 82:2283 83:1409 84:1791 85:3301 86:1015 87:2182 88:1275 89:4317 90:754 91:8331 92:2794 93:2858 94:3923 95:4173 96:1291 97:308 98:973 99:736 100:70 101:1377 102:3664 103:32339 104:4654 105:752 106:1017 107:2605 108:1189 109:4073 110:2215 111:3384 112:2044 113:1792 114:1939 115:2160 116:2031 117:2740 118:2849 119:1939 120:1870 121:1349 122:2739 123:2151 124:1600 125:2886 126:94 128:1546 129:953 130:1259 131:1871 132:781 133:450 134:1528 135:322 136:1332 137:1093 138:2900 139:1589 140:1545 141:1476 142:1822 143:1610 144:1055 145:461 146:2134 147:2059 148:2599 149:2850 150:1193 151:1655 152:2148 153:504 154:7964 155:1599 156:3607 157:1878 158:1255 159:2419 160:3543 161:1852 162:3650 163:1786 164:1695 165:2173 166:1354 167:1875 168:4064 169:789 170:5058 171:1001 172:4283 173:3230 174:918 175:1280 176:3601 177:4816 178:3773 179:2245 180:2536 181:3994 182:3366 183:2034 184:2260 185:21438 186:5083 187:4291 188:4212 189:4145 190:9612 191:1523 192:11141 193:9373 194:7733 195:5473 196:3216 197:3727 198:6047 199:8303 200:7948 201:6302 202:10309 203:10510 204:4531 205:3620 206:4602 207:3483 208:4181 209:5117 210:4490 211:2525 212:4516 213:3730 214:1055 215:42 216:6567 217:3106 218:1335 219:376 220:2114 221:1052 222:716 223:2311 End of report