IPv4 R&E Routing Table Report 23:05 GMT Thu 06 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: 970922 Prefixes after maximum aggregation (per Origin AS): 371948 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473889 Number of IPv4 prefixes with a valid ROA: 527116 Number of IPv4 prefixes with an invalid ROA: 1068 Number of IPv4 prefixes with no ROA: 442738 Total ASes present in the Internet Routing Table: 76413 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65570 Origin ASes announcing only one prefix: 26853 Transit ASes present in the Internet Routing Table: 10843 Transit-only ASes present in the Internet Routing Table: 519 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: 1052 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 46102 Number of 32-bit ASNs visible in the Routing Table: 37711 Prefixes from 32-bit ASNs in the Routing Table: 198295 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: 487 Number of addresses announced to Internet: 3111762944 Equivalent to 185 /8s, 121 /16s and 188 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 318033 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255103 Total APNIC prefixes after maximum aggregation: 76428 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246604 Unique aggregates announced from the APNIC address blocks: 102563 APNIC Region origin ASes present in the Internet Routing Table: 14431 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4404 APNIC Region transit ASes present in the Internet Routing Table: 1936 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: 9953 Number of APNIC addresses announced to Internet: 753164288 Equivalent to 44 /8s, 228 /16s and 96 /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: 285827 Total ARIN prefixes after maximum aggregation: 127210 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287344 Unique aggregates announced from the ARIN address blocks: 135031 ARIN Region origin ASes present in the Internet Routing Table: 19178 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7020 ARIN Region transit ASes present in the Internet Routing Table: 1920 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: 5133 Number of ARIN addresses announced to Internet: 1343610112 Equivalent to 80 /8s, 21 /16s and 221 /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: 271067 Total RIPE prefixes after maximum aggregation: 131730 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268198 Unique aggregates announced from the RIPE address blocks: 171654 RIPE Region origin ASes present in the Internet Routing Table: 28827 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3959 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: 12236 Number of RIPE addresses announced to Internet: 732474368 Equivalent to 43 /8s, 168 /16s and 172 /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: 123059 Total LACNIC prefixes after maximum aggregation: 29196 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120411 Unique aggregates announced from the LACNIC address blocks: 48870 LACNIC Region origin ASes present in the Internet Routing Table: 11182 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2485 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: 9119 Number of LACNIC addresses announced to Internet: 177865984 Equivalent to 10 /8s, 154 /16s and 5 /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: 34814 Total AfriNIC prefixes after maximum aggregation: 6728 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 47878 Unique aggregates announced from the AfriNIC address blocks: 15363 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 25.07 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 374 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: 1270 Number of AfriNIC addresses announced to Internet: 104393984 Equivalent to 6 /8s, 56 /16s and 237 /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 6208 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4205 529 272 BBIL-AP BHARTI Airtel Ltd., IN 18403 4193 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3917 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2841 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 195 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 12723 38945 3722 AMAZON-02, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 174 3630 8757 875 COGENT-174, US 6327 3623 1320 81 SHAW, CA 22773 3381 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2920 3659 446 GOOGLE-CLOUD-PLATFORM, US 16625 2900 1243 2142 AKAMAI-AS, US 30036 2579 359 275 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 7739 1713 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3878 3395 125 AKAMAI-ASN1, NL 9009 3728 320 1911 M247, RO 12389 2985 2302 890 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1914 138 1411 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 11712 3224 605 UNINET, MX 10620 3542 492 953 Telmex Colombia S.A., CO 13999 2511 539 366 Mega Cable, S.A. de C.V., MX 11830 1969 369 64 Instituto Costarricense de Electricidad y 28573 1334 2437 266 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 1104 371 22 Telefonica del Peru S.A.A., PE 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1012 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 1645 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 1018 523 45 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 843 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 545 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 12723 38945 3722 AMAZON-02, US 8151 11712 3224 605 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7739 1713 145 UNI2-AS, ES 7545 6208 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 9498 4205 529 272 BBIL-AP BHARTI Airtel Ltd., IN 18403 4193 347 23 FPT-AS-AP FPT Telecom Company, VN 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 11712 11107 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7739 7594 UNI2-AS, ES 7545 6208 5543 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4193 4170 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4205 3933 BBIL-AP BHARTI Airtel Ltd., IN 7552 3917 3892 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 /13:584 /14:1214 /15:2143 /16:13895 /17:8214 /18:13628 /19:24458 /20:43725 /21:51790 /22:111883 /23:100472 /24:598442 /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 6700 7739 UNI2-AS, ES 8151 5920 11712 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 2516 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2262 12723 AMAZON-02, US 30036 2239 2579 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2182 3542 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 2:1499 3:570 4:9 5:4538 6:165 7:6 8:1545 9:1 11:172 12:1383 13:351 14:2501 15:346 16:270 17:356 18:916 20:451 21:4 22:188 23:7220 24:2732 25:2 27:2694 29:19 31:3116 32:38 34:80 35:200 36:2403 37:4594 38:8578 39:895 40:152 41:4170 42:1920 43:2505 44:347 45:18189 46:4954 47:293 49:1985 50:1873 51:590 52:1573 54:307 55:1143 56:9 57:237 58:2207 59:1181 60:1167 61:2842 62:2933 63:1823 64:5493 65:2199 66:4606 67:3027 68:1162 69:3998 70:1112 71:608 72:2853 74:2781 75:1639 76:628 77:2614 78:1850 79:1691 80:2205 81:2044 82:2241 83:1410 84:1792 85:3298 86:1015 87:2179 88:1275 89:4331 90:754 91:8336 92:2798 93:2857 94:3922 95:4164 96:1291 97:308 98:993 99:734 100:71 101:1378 102:3672 103:32363 104:4663 105:757 106:1017 107:2607 108:1161 109:4072 110:2217 111:3384 112:2043 113:1785 114:1940 115:2159 116:2033 117:2739 118:2840 119:1931 120:1870 121:1349 122:2742 123:2152 124:1597 125:2880 126:94 128:1551 129:951 130:1263 131:1868 132:785 133:450 134:1526 135:322 136:1332 137:1098 138:2886 139:1589 140:1544 141:1469 142:1822 143:1613 144:1053 145:461 146:2134 147:2058 148:2600 149:2847 150:1198 151:1649 152:2031 153:502 154:7994 155:1601 156:3617 157:1877 158:1260 159:2421 160:3536 161:1847 162:3649 163:1778 164:1695 165:2171 166:1321 167:1877 168:4065 169:790 170:5039 171:1001 172:4286 173:3231 174:918 175:1279 176:3601 177:4773 178:3780 179:2220 180:2536 181:3984 182:3367 183:2034 184:2259 185:21438 186:5047 187:4270 188:4213 189:4146 190:9520 191:1528 192:11157 193:9369 194:7727 195:5474 196:3198 197:3697 198:6050 199:8298 200:7998 201:6280 202:10313 203:10521 204:4530 205:3636 206:4608 207:3475 208:4185 209:5118 210:4490 211:2525 212:4510 213:3729 214:1059 215:42 216:6605 217:3104 218:1334 219:376 220:2113 221:1053 222:716 223:2312 End of report