IPv4 R&E Routing Table Report 23:05 GMT Fri 14 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: 971239 Prefixes after maximum aggregation (per Origin AS): 372337 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474758 Number of IPv4 prefixes with a valid ROA: 529873 Number of IPv4 prefixes with an invalid ROA: 992 Number of IPv4 prefixes with no ROA: 440374 Total ASes present in the Internet Routing Table: 76442 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65609 Origin ASes announcing only one prefix: 26881 Transit ASes present in the Internet Routing Table: 10833 Transit-only ASes present in the Internet Routing Table: 525 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1037 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 46132 Number of 32-bit ASNs visible in the Routing Table: 37751 Prefixes from 32-bit ASNs in the Routing Table: 198808 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 481 Number of addresses announced to Internet: 3111268864 Equivalent to 185 /8s, 114 /16s and 50 /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: 318187 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255184 Total APNIC prefixes after maximum aggregation: 76478 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246785 Unique aggregates announced from the APNIC address blocks: 102745 APNIC Region origin ASes present in the Internet Routing Table: 14461 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4424 APNIC Region transit ASes present in the Internet Routing Table: 1945 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9981 Number of APNIC addresses announced to Internet: 753230336 Equivalent to 44 /8s, 229 /16s and 98 /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, 131072-155961 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: 285556 Total ARIN prefixes after maximum aggregation: 127180 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287063 Unique aggregates announced from the ARIN address blocks: 135291 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: 7025 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: 5133 Number of ARIN addresses announced to Internet: 1343212800 Equivalent to 80 /8s, 15 /16s and 205 /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: 271382 Total RIPE prefixes after maximum aggregation: 131987 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268620 Unique aggregates announced from the RIPE address blocks: 172088 RIPE Region origin ASes present in the Internet Routing Table: 28826 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 3955 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: 732483328 Equivalent to 43 /8s, 168 /16s and 207 /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: 123469 Total LACNIC prefixes after maximum aggregation: 29229 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120804 Unique aggregates announced from the LACNIC address blocks: 48953 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: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2481 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: 9134 Number of LACNIC addresses announced to Internet: 177878016 Equivalent to 10 /8s, 154 /16s and 52 /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: 34611 Total AfriNIC prefixes after maximum aggregation: 6814 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 47486 Unique aggregates announced from the AfriNIC address blocks: 15275 AfriNIC Region origin ASes present in the Internet Routing Table: 1899 AfriNIC Prefixes per ASN: 25.01 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 367 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: 1258 Number of AfriNIC addresses announced to Internet: 104204544 Equivalent to 6 /8s, 54 /16s and 9 /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 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6211 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4231 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2838 851 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2182 434 195 TATACOMM-AS TATA Communications formerly 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 12730 38948 3727 AMAZON-02, US 11492 4702 312 561 CABLEONE, US 7155 4170 286 83 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3605 8758 890 COGENT-174, US 22773 3376 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2925 3659 448 GOOGLE-CLOUD-PLATFORM, US 16625 2904 1240 2153 AKAMAI-AS, US 30036 2589 360 263 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 7761 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3886 3395 127 AKAMAI-ASN1, NL 9009 3733 322 1920 M247, RO 12389 2990 2303 892 ROSTELECOM-AS, RU 34984 2366 360 579 TELLCOM-AS, TR 212238 2010 145 1487 CDNEXT, GB 8452 1615 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 11748 3229 596 UNINET, MX 10620 3543 492 950 Telmex Colombia S.A., CO 13999 2514 539 365 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1349 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1127 374 163 Axtel, S.A.B. de C.V., MX 6147 1111 371 22 Telefonica del Peru S.A.A., PE 22884 1072 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1010 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 1684 601 30 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 29571 1544 97 101 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 15399 518 57 58 WANANCHI-, 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 12730 38948 3727 AMAZON-02, US 8151 11748 3229 596 UNINET, MX 9808 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7761 1714 145 UNI2-AS, ES 7545 6211 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4702 312 561 CABLEONE, US 9498 4231 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4170 286 83 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 11748 11152 UNINET, MX 9808 10335 10247 CHINAMOBILE-CN China Mobile Communications Grou 12479 7761 7616 UNI2-AS, ES 7545 6211 5548 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4222 4197 FPT-AS-AP FPT Telecom Company, VN 11492 4702 4141 CABLEONE, US 7155 4170 4087 VIASAT-SP-BACKBONE, US 9498 4231 3957 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 23.134.124.0/24 Origin: 19468 VALEX, US 23.134.124.0/24 Transit: 29802 HVC-AS, US 23.134.164.0/24 Origin: 399291 FIBERNETPR-ASN, PR 23.134.164.0/24 Transit: 21559 OSNET, PR 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 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 /14:1214 /15:2140 /16:13898 /17:8222 /18:13616 /19:24418 /20:43732 /21:51813 /22:111928 /23:100590 /24:598611 /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 6718 7761 UNI2-AS, ES 8151 5951 11748 UNINET, MX 11492 3556 4702 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3119 4170 VIASAT-SP-BACKBONE, US 22773 2512 3376 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12730 AMAZON-02, US 30036 2249 2589 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) ---------------------------------------------- 1:2304 2:1504 3:570 4:10 5:4510 6:165 7:6 8:1556 9:1 11:172 12:1383 13:347 14:2507 15:348 16:270 17:358 18:917 20:450 21:4 22:188 23:7263 24:2733 25:2 27:2667 29:19 31:3138 32:37 34:81 35:200 36:2406 37:4595 38:8571 39:895 40:153 41:4019 42:1916 43:2529 44:348 45:18231 46:4971 47:291 49:1974 50:1881 51:590 52:1570 54:300 55:1038 56:9 57:239 58:2225 59:1184 60:1167 61:2841 62:2932 63:1820 64:5490 65:2195 66:4607 67:3027 68:1104 69:3979 70:1111 71:606 72:2849 74:2779 75:1638 76:611 77:2625 78:1851 79:1711 80:2210 81:2029 82:2461 83:1407 84:1788 85:3338 86:1024 87:2151 88:1275 89:4345 90:759 91:8308 92:2809 93:2854 94:3911 95:4192 96:1343 97:308 98:980 99:738 100:71 101:1376 102:3667 103:32314 104:4647 105:815 106:992 107:2611 108:1192 109:4081 110:2224 111:3368 112:2043 113:1788 114:1941 115:2171 116:2040 117:2744 118:2846 119:1945 120:1868 121:1351 122:2748 123:2163 124:1608 125:2885 126:94 128:1552 129:954 130:1268 131:1842 132:786 133:450 134:1530 135:325 136:1330 137:1107 138:2886 139:1591 140:1555 141:1483 142:1824 143:1597 144:1066 145:466 146:2140 147:2064 148:2601 149:2828 150:1216 151:1672 152:2103 153:504 154:7830 155:1593 156:3464 157:1884 158:1246 159:2420 160:3552 161:1935 162:3677 163:1796 164:1664 165:2176 166:1358 167:1874 168:4054 169:786 170:5066 171:1002 172:4258 173:3244 174:915 175:1278 176:3601 177:4753 178:3755 179:2249 180:2542 181:3996 182:3368 183:2034 184:2257 185:21424 186:5079 187:4288 188:4217 189:4169 190:9610 191:1527 192:11149 193:9355 194:7733 195:5462 196:3201 197:3565 198:6046 199:8327 200:8023 201:6293 202:10337 203:10546 204:4528 205:3641 206:4571 207:3475 208:4174 209:5128 210:4509 211:2530 212:4520 213:3723 214:1055 215:42 216:6575 217:3104 218:1335 219:376 220:2116 221:1052 222:717 223:2311 End of report