IPv4 R&E Routing Table Report 23:05 GMT Mon 17 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: 971733 Prefixes after maximum aggregation (per Origin AS): 372331 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474906 Number of IPv4 prefixes with a valid ROA: 530128 Number of IPv4 prefixes with an invalid ROA: 1021 Number of IPv4 prefixes with no ROA: 440584 Total ASes present in the Internet Routing Table: 76480 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65622 Origin ASes announcing only one prefix: 26896 Transit ASes present in the Internet Routing Table: 10858 Transit-only ASes present in the Internet Routing Table: 531 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: 72 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1035 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 46152 Number of 32-bit ASNs visible in the Routing Table: 37784 Prefixes from 32-bit ASNs in the Routing Table: 198872 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: 3111784704 Equivalent to 185 /8s, 122 /16s and 17 /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: 318474 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255292 Total APNIC prefixes after maximum aggregation: 76479 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246894 Unique aggregates announced from the APNIC address blocks: 102753 APNIC Region origin ASes present in the Internet Routing Table: 14476 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4436 APNIC Region transit ASes present in the Internet Routing Table: 1950 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: 9996 Number of APNIC addresses announced to Internet: 753301248 Equivalent to 44 /8s, 230 /16s and 119 /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: 285752 Total ARIN prefixes after maximum aggregation: 127183 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287054 Unique aggregates announced from the ARIN address blocks: 135302 ARIN Region origin ASes present in the Internet Routing Table: 19177 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7028 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 5140 Number of ARIN addresses announced to Internet: 1343267584 Equivalent to 80 /8s, 16 /16s and 163 /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: 271373 Total RIPE prefixes after maximum aggregation: 131977 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268682 Unique aggregates announced from the RIPE address blocks: 172280 RIPE Region origin ASes present in the Internet Routing Table: 28822 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3964 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: 12242 Number of RIPE addresses announced to Internet: 732959232 Equivalent to 43 /8s, 176 /16s and 18 /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: 123208 Total LACNIC prefixes after maximum aggregation: 29237 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120538 Unique aggregates announced from the LACNIC address blocks: 48868 LACNIC Region origin ASes present in the Internet Routing Table: 11197 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2682 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: 9136 Number of LACNIC addresses announced to Internet: 177778176 Equivalent to 10 /8s, 152 /16s and 174 /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: 35073 Total AfriNIC prefixes after maximum aggregation: 6805 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 48087 Unique aggregates announced from the AfriNIC address blocks: 15300 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 25.18 AfriNIC Region origin ASes announcing only one prefix: 697 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: 72 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 104218624 Equivalent to 6 /8s, 54 /16s and 64 /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 4271 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4239 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 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2843 855 530 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 12735 38947 3733 AMAZON-02, US 11492 4702 312 561 CABLEONE, US 7155 4172 286 83 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3613 8759 891 COGENT-174, US 22773 3375 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2927 3660 449 GOOGLE-CLOUD-PLATFORM, US 16625 2897 1234 2144 AKAMAI-AS, US 30036 2589 359 267 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 7762 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3891 3395 127 AKAMAI-ASN1, NL 9009 3724 319 1912 M247, RO 12389 2990 2303 892 ROSTELECOM-AS, RU 34984 2367 361 579 TELLCOM-AS, TR 212238 2026 146 1502 CDNEXT, GB 8452 1618 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 11727 3205 601 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 1112 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 1647 389 16 LINKdotNET-AS, EG 29571 1553 98 103 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 980 183 284 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 12735 38947 3733 AMAZON-02, US 8151 11727 3205 601 UNINET, MX 9808 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7762 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 4271 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4239 530 274 BBIL-AP BHARTI Airtel Ltd., IN 7155 4172 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 11727 11126 UNINET, MX 9808 10335 10247 CHINAMOBILE-CN China Mobile Communications Grou 12479 7762 7617 UNI2-AS, ES 7545 6211 5548 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4271 4246 FPT-AS-AP FPT Telecom Company, VN 11492 4702 4141 CABLEONE, US 7155 4172 4089 VIASAT-SP-BACKBONE, US 9498 4239 3965 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 213407 UNALLOCATED 2.56.248.0/24 214466 OLFE AE Olfe Tekn. Ve T 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 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 /15:2139 /16:13892 /17:8222 /18:13602 /19:24408 /20:43690 /21:51785 /22:111905 /23:100581 /24:599237 /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 6719 7762 UNI2-AS, ES 8151 5942 11727 UNINET, MX 11492 3556 4702 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3119 4172 VIASAT-SP-BACKBONE, US 22773 2511 3375 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2275 12735 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) ---------------------------------------------- 1:2305 2:1506 3:571 4:10 5:4516 6:165 7:6 8:1555 9:1 11:172 12:1383 13:347 14:2511 15:348 16:273 17:358 18:916 20:450 21:4 22:188 23:7266 24:2729 25:2 27:2695 29:19 31:3137 32:37 34:81 35:200 36:2405 37:4606 38:8591 39:895 40:153 41:4141 42:1934 43:2518 44:351 45:18227 46:4962 47:291 49:1975 50:1882 51:590 52:1570 54:300 55:1072 56:9 57:239 58:2225 59:1192 60:1167 61:2839 62:2936 63:1816 64:5495 65:2190 66:4602 67:3030 68:1104 69:3977 70:1111 71:607 72:2847 74:2771 75:1636 76:611 77:2630 78:1848 79:1720 80:2207 81:2027 82:2523 83:1407 84:1789 85:3333 86:1021 87:2150 88:1276 89:4342 90:759 91:8305 92:2806 93:2858 94:3909 95:4197 96:1348 97:310 98:980 99:738 100:71 101:1374 102:3707 103:32314 104:4671 105:813 106:992 107:2590 108:1191 109:4072 110:2227 111:3373 112:2048 113:1788 114:1942 115:2169 116:2043 117:2743 118:2886 119:1946 120:1869 121:1354 122:2749 123:2163 124:1605 125:2885 126:94 128:1555 129:954 130:1262 131:1840 132:783 133:450 134:1526 135:325 136:1329 137:1095 138:2875 139:1597 140:1556 141:1489 142:1826 143:1590 144:1065 145:468 146:2124 147:2063 148:2605 149:2847 150:1225 151:1675 152:2101 153:504 154:7883 155:1595 156:3552 157:1882 158:1247 159:2420 160:3552 161:1887 162:3681 163:1801 164:1689 165:2179 166:1356 167:1872 168:4046 169:790 170:5058 171:1002 172:4265 173:3240 174:915 175:1276 176:3601 177:4769 178:3747 179:2223 180:2545 181:3980 182:3366 183:2034 184:2259 185:21438 186:5075 187:4284 188:4218 189:4154 190:9581 191:1522 192:11134 193:9339 194:7741 195:5472 196:3266 197:3760 198:6052 199:8325 200:8021 201:6302 202:10316 203:10544 204:4527 205:3633 206:4567 207:3470 208:4170 209:5133 210:4511 211:2528 212:4516 213:3735 214:1057 215:42 216:6580 217:3098 218:1335 219:376 220:2114 221:1053 222:717 223:2310 End of report