IPv4 R&E Routing Table Report 23:05 GMT Sun 16 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: 971669 Prefixes after maximum aggregation (per Origin AS): 372291 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474894 Number of IPv4 prefixes with a valid ROA: 529931 Number of IPv4 prefixes with an invalid ROA: 997 Number of IPv4 prefixes with no ROA: 440741 Total ASes present in the Internet Routing Table: 76464 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65624 Origin ASes announcing only one prefix: 26893 Transit ASes present in the Internet Routing Table: 10840 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: 46152 Number of 32-bit ASNs visible in the Routing Table: 37772 Prefixes from 32-bit ASNs in the Routing Table: 198850 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: 477 Number of addresses announced to Internet: 3111323648 Equivalent to 185 /8s, 115 /16s and 8 /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: 318457 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255348 Total APNIC prefixes after maximum aggregation: 76485 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246876 Unique aggregates announced from the APNIC address blocks: 102745 APNIC Region origin ASes present in the Internet Routing Table: 14468 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4427 APNIC Region transit ASes present in the Internet Routing Table: 1942 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: 9987 Number of APNIC addresses announced to Internet: 753267968 Equivalent to 44 /8s, 229 /16s and 245 /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: 285549 Total ARIN prefixes after maximum aggregation: 127168 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287025 Unique aggregates announced from the ARIN address blocks: 135308 ARIN Region origin ASes present in the Internet Routing Table: 19170 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7023 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: 5137 Number of ARIN addresses announced to Internet: 1343143168 Equivalent to 80 /8s, 14 /16s and 189 /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: 271348 Total RIPE prefixes after maximum aggregation: 131969 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268608 Unique aggregates announced from the RIPE address blocks: 172212 RIPE Region origin ASes present in the Internet Routing Table: 28831 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12066 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: 12247 Number of RIPE addresses announced to Internet: 732503808 Equivalent to 43 /8s, 169 /16s and 31 /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: 123318 Total LACNIC prefixes after maximum aggregation: 29214 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120634 Unique aggregates announced from the LACNIC address blocks: 48937 LACNIC Region origin ASes present in the Internet Routing Table: 11191 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2480 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: 9131 Number of LACNIC addresses announced to Internet: 177864192 Equivalent to 10 /8s, 153 /16s and 254 /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: 35069 Total AfriNIC prefixes after maximum aggregation: 6805 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 48049 Unique aggregates announced from the AfriNIC address blocks: 15290 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 25.14 AfriNIC Region origin ASes announcing only one prefix: 699 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: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 104285696 Equivalent to 6 /8s, 55 /16s and 70 /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 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4235 530 274 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 3255 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2837 851 537 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 12733 38948 3726 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 3375 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 2915 1245 2159 AKAMAI-AS, US 30036 2588 359 266 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 7763 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3892 3395 127 AKAMAI-ASN1, NL 9009 3732 322 1919 M247, RO 12389 2990 2303 892 ROSTELECOM-AS, RU 34984 2367 361 579 TELLCOM-AS, TR 212238 2009 145 1486 CDNEXT, GB 8452 1617 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 11750 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 1130 374 163 Axtel, S.A.B. de C.V., MX 6147 1111 371 22 Telefonica del Peru S.A.A., PE 22884 1076 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 1647 389 16 LINKdotNET-AS, EG 29571 1548 98 101 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 558 1861 35 IAM-AS, MA 15399 522 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 12733 38948 3726 AMAZON-02, US 8151 11750 3229 596 UNINET, MX 9808 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7763 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 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4235 530 274 BBIL-AP BHARTI Airtel Ltd., IN 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 11750 11154 UNINET, MX 9808 10335 10247 CHINAMOBILE-CN China Mobile Communications Grou 12479 7763 7618 UNI2-AS, ES 7545 6211 5548 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4242 4217 FPT-AS-AP FPT Telecom Company, VN 11492 4702 4141 CABLEONE, US 7155 4170 4087 VIASAT-SP-BACKBONE, US 9498 4235 3961 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 /14:1214 /15:2139 /16:13900 /17:8226 /18:13610 /19:24420 /20:43729 /21:51802 /22:111921 /23:100558 /24:599093 /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 6720 7763 UNI2-AS, ES 8151 5954 11750 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 2511 3375 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2271 12733 AMAZON-02, US 30036 2248 2588 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 2:1505 3:570 4:10 5:4516 6:165 7:6 8:1553 9:1 11:172 12:1383 13:347 14:2508 15:348 16:273 17:358 18:917 20:450 21:4 22:188 23:7267 24:2735 25:2 27:2695 29:19 31:3140 32:37 34:81 35:200 36:2406 37:4591 38:8573 39:895 40:153 41:4160 42:1926 43:2524 44:351 45:18206 46:4969 47:291 49:1971 50:1881 51:590 52:1570 54:300 55:1082 56:9 57:239 58:2225 59:1188 60:1167 61:2840 62:2936 63:1819 64:5494 65:2191 66:4601 67:3029 68:1103 69:3978 70:1111 71:606 72:2847 74:2776 75:1636 76:611 77:2626 78:1852 79:1715 80:2208 81:2028 82:2463 83:1408 84:1788 85:3338 86:1024 87:2149 88:1276 89:4331 90:759 91:8310 92:2808 93:2854 94:3911 95:4192 96:1343 97:308 98:980 99:738 100:71 101:1375 102:3693 103:32326 104:4657 105:807 106:992 107:2591 108:1191 109:4077 110:2224 111:3373 112:2048 113:1788 114:1942 115:2170 116:2043 117:2744 118:2865 119:1945 120:1870 121:1352 122:2749 123:2162 124:1608 125:2885 126:94 128:1555 129:954 130:1264 131:1842 132:788 133:450 134:1527 135:324 136:1318 137:1102 138:2884 139:1595 140:1556 141:1481 142:1828 143:1588 144:1066 145:467 146:2123 147:2064 148:2603 149:2838 150:1222 151:1674 152:2104 153:504 154:7868 155:1593 156:3552 157:1879 158:1244 159:2417 160:3552 161:1887 162:3680 163:1802 164:1689 165:2174 166:1356 167:1873 168:4052 169:790 170:5056 171:1002 172:4265 173:3238 174:915 175:1277 176:3600 177:4748 178:3743 179:2245 180:2544 181:3996 182:3367 183:2034 184:2257 185:21424 186:5081 187:4285 188:4216 189:4157 190:9610 191:1530 192:11138 193:9331 194:7730 195:5462 196:3267 197:3758 198:6055 199:8318 200:8013 201:6295 202:10311 203:10543 204:4530 205:3642 206:4567 207:3466 208:4172 209:5153 210:4511 211:2530 212:4516 213:3731 214:1057 215:42 216:6576 217:3103 218:1333 219:376 220:2116 221:1053 222:717 223:2312 End of report