IPv4 R&E Routing Table Report 23:05 GMT Sat 15 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: 971588 Prefixes after maximum aggregation (per Origin AS): 372391 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474673 Number of IPv4 prefixes with a valid ROA: 529859 Number of IPv4 prefixes with an invalid ROA: 996 Number of IPv4 prefixes with no ROA: 440733 Total ASes present in the Internet Routing Table: 76443 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65618 Origin ASes announcing only one prefix: 26868 Transit ASes present in the Internet Routing Table: 10825 Transit-only ASes present in the Internet Routing Table: 523 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: 1033 Number of instances of unregistered ASNs: 1038 Number of 32-bit ASNs allocated by the RIRs: 46137 Number of 32-bit ASNs visible in the Routing Table: 37751 Prefixes from 32-bit ASNs in the Routing Table: 198749 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: 478 Number of addresses announced to Internet: 3111275776 Equivalent to 185 /8s, 114 /16s and 77 /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: 318497 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255161 Total APNIC prefixes after maximum aggregation: 76475 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246674 Unique aggregates announced from the APNIC address blocks: 102618 APNIC Region origin ASes present in the Internet Routing Table: 14459 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: 1936 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: 9977 Number of APNIC addresses announced to Internet: 753215744 Equivalent to 44 /8s, 229 /16s and 41 /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: 285543 Total ARIN prefixes after maximum aggregation: 127243 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 287023 Unique aggregates announced from the ARIN address blocks: 135263 ARIN Region origin ASes present in the Internet Routing Table: 19166 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7017 ARIN Region transit ASes present in the Internet Routing Table: 1917 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: 5135 Number of ARIN addresses announced to Internet: 1343068672 Equivalent to 80 /8s, 13 /16s and 154 /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: 271406 Total RIPE prefixes after maximum aggregation: 132003 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268650 Unique aggregates announced from the RIPE address blocks: 172127 RIPE Region origin ASes present in the Internet Routing Table: 28829 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3951 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: 12244 Number of RIPE addresses announced to Internet: 732557056 Equivalent to 43 /8s, 169 /16s and 239 /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: 123352 Total LACNIC prefixes after maximum aggregation: 29219 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120693 Unique aggregates announced from the LACNIC address blocks: 48954 LACNIC Region origin ASes present in the Internet Routing Table: 11193 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2482 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: 177875712 Equivalent to 10 /8s, 154 /16s and 43 /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: 35093 Total AfriNIC prefixes after maximum aggregation: 6802 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 48070 Unique aggregates announced from the AfriNIC address blocks: 15308 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 25.22 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 371 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: 1264 Number of AfriNIC addresses announced to Internet: 104299520 Equivalent to 6 /8s, 55 /16s and 124 /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 4235 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4223 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 2837 851 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2179 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 12725 38947 3729 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 2916 1245 2158 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 7763 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3892 3395 127 AKAMAI-ASN1, NL 9009 3733 322 1920 M247, RO 12389 2990 2303 892 ROSTELECOM-AS, RU 34984 2367 361 579 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 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 1110 371 21 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 555 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 12725 38947 3729 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 9498 4235 530 274 BBIL-AP BHARTI Airtel Ltd., IN 18403 4223 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 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 4223 4198 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 23.134.164.0/24 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 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 /14:1214 /15:2140 /16:13901 /17:8225 /18:13620 /19:24423 /20:43741 /21:51812 /22:111926 /23:100579 /24:598950 /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 2512 3376 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2267 12725 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 2:1505 3:570 4:10 5:4511 6:165 7:6 8:1553 9:1 11:172 12:1382 13:347 14:2502 15:347 16:272 17:358 18:917 20:450 21:4 22:188 23:7270 24:2731 25:2 27:2695 29:19 31:3138 32:37 34:81 35:200 36:2404 37:4595 38:8576 39:895 40:153 41:4153 42:1917 43:2521 44:348 45:18205 46:4968 47:291 49:1974 50:1881 51:590 52:1570 54:300 55:1095 56:9 57:239 58:2225 59:1188 60:1167 61:2840 62:2936 63:1820 64:5495 65:2192 66:4607 67:3029 68:1104 69:3974 70:1111 71:606 72:2849 74:2776 75:1637 76:611 77:2625 78:1852 79:1713 80:2210 81:2027 82:2467 83:1407 84:1789 85:3338 86:1025 87:2149 88:1276 89:4325 90:759 91:8306 92:2808 93:2853 94:3910 95:4191 96:1343 97:308 98:980 99:737 100:71 101:1374 102:3688 103:32249 104:4644 105:815 106:992 107:2587 108:1191 109:4079 110:2218 111:3374 112:2044 113:1788 114:1942 115:2168 116:2035 117:2743 118:2846 119:1945 120:1866 121:1352 122:2748 123:2160 124:1608 125:2885 126:94 128:1553 129:954 130:1262 131:1843 132:790 133:450 134:1523 135:325 136:1313 137:1103 138:2887 139:1591 140:1556 141:1479 142:1828 143:1592 144:1062 145:467 146:2116 147:2063 148:2603 149:2839 150:1211 151:1675 152:2104 153:504 154:7869 155:1595 156:3552 157:1875 158:1243 159:2418 160:3544 161:1890 162:3679 163:1800 164:1689 165:2168 166:1356 167:1875 168:4048 169:790 170:5055 171:1002 172:4266 173:3240 174:915 175:1278 176:3604 177:4764 178:3754 179:2245 180:2544 181:3999 182:3369 183:2034 184:2257 185:21443 186:5081 187:4290 188:4215 189:4157 190:9609 191:1525 192:11132 193:9361 194:7733 195:5464 196:3268 197:3763 198:6051 199:8328 200:8021 201:6294 202:10300 203:10539 204:4529 205:3652 206:4570 207:3465 208:4173 209:5124 210:4511 211:2530 212:4522 213:3732 214:1042 215:42 216:6574 217:3104 218:1333 219:376 220:2115 221:1052 222:716 223:2312 End of report