IPv4 R&E Routing Table Report 23:05 GMT Thu 30 Jan, 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: 971568 Prefixes after maximum aggregation (per Origin AS): 371735 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473651 Number of IPv4 prefixes with a valid ROA: 525246 Number of IPv4 prefixes with an invalid ROA: 1012 Number of IPv4 prefixes with no ROA: 445310 Total ASes present in the Internet Routing Table: 76399 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65565 Origin ASes announcing only one prefix: 26837 Transit ASes present in the Internet Routing Table: 10834 Transit-only ASes present in the Internet Routing Table: 518 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1060 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 46076 Number of 32-bit ASNs visible in the Routing Table: 37671 Prefixes from 32-bit ASNs in the Routing Table: 198765 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: 502 Number of addresses announced to Internet: 3114027520 Equivalent to 185 /8s, 156 /16s and 74 /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: 318310 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254931 Total APNIC prefixes after maximum aggregation: 76335 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246507 Unique aggregates announced from the APNIC address blocks: 102547 APNIC Region origin ASes present in the Internet Routing Table: 14425 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4398 APNIC Region transit ASes present in the Internet Routing Table: 1932 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: 9952 Number of APNIC addresses announced to Internet: 753260288 Equivalent to 44 /8s, 229 /16s and 215 /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: 286140 Total ARIN prefixes after maximum aggregation: 127198 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287682 Unique aggregates announced from the ARIN address blocks: 135025 ARIN Region origin ASes present in the Internet Routing Table: 19164 ARIN Prefixes per ASN: 15.01 ARIN Region origin ASes announcing only one prefix: 7014 ARIN Region transit ASes present in the Internet Routing Table: 1922 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: 5120 Number of ARIN addresses announced to Internet: 1344912384 Equivalent to 80 /8s, 41 /16s and 188 /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: 271083 Total RIPE prefixes after maximum aggregation: 131695 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268128 Unique aggregates announced from the RIPE address blocks: 171474 RIPE Region origin ASes present in the Internet Routing Table: 28821 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 3958 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12207 Number of RIPE addresses announced to Internet: 733404928 Equivalent to 43 /8s, 182 /16s and 223 /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: 123660 Total LACNIC prefixes after maximum aggregation: 29170 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 121035 Unique aggregates announced from the LACNIC address blocks: 48860 LACNIC Region origin ASes present in the Internet Routing Table: 11189 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2488 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: 9123 Number of LACNIC addresses announced to Internet: 177893376 Equivalent to 10 /8s, 154 /16s and 112 /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: 34694 Total AfriNIC prefixes after maximum aggregation: 6681 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 47714 Unique aggregates announced from the AfriNIC address blocks: 15328 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 24.98 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 370 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1269 Number of AfriNIC addresses announced to Internet: 104296192 Equivalent to 6 /8s, 55 /16s and 111 /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 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6208 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4181 528 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4170 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2835 852 537 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 12689 38941 3718 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 4167 8759 877 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3384 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2905 3657 445 GOOGLE-CLOUD-PLATFORM, US 16625 2873 1235 2138 AKAMAI-AS, US 30036 2574 358 280 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 7758 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3882 3395 125 AKAMAI-ASN1, NL 9009 3750 322 1902 M247, RO 12389 2982 2302 888 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1907 136 1407 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1495 99 748 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 11676 3224 603 UNINET, MX 10620 3540 492 954 Telmex Colombia S.A., CO 13999 2515 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 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 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1008 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 1681 601 30 RAYA-AS, EG 24863 1649 389 16 LINKdotNET-AS, EG 29571 1546 97 106 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 867 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 537 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 12689 38941 3718 AMAZON-02, US 8151 11676 3224 603 UNINET, MX 9808 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7758 1711 144 UNI2-AS, ES 7545 6208 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4697 312 552 CABLEONE, US 9498 4181 528 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4177 287 86 VIASAT-SP-BACKBONE, US 18403 4170 347 24 FPT-AS-AP FPT Telecom Company, VN 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 11676 11073 UNINET, MX 9808 10336 10248 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7614 UNI2-AS, ES 7545 6208 5545 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4170 4146 FPT-AS-AP FPT Telecom Company, VN 11492 4697 4145 CABLEONE, US 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4181 3908 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 3887 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.133.108.0/24 Origin: 20473 AS-VULTR, US 23.133.108.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /12:308 /13:585 /14:1217 /15:2142 /16:13894 /17:8206 /18:13625 /19:24449 /20:43746 /21:51800 /22:111852 /23:100540 /24:599037 /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 7758 UNI2-AS, ES 8151 5887 11676 UNINET, MX 11492 3555 4697 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3125 4177 VIASAT-SP-BACKBONE, US 22773 2519 3384 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2270 12689 AMAZON-02, US 30036 2235 2574 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2180 3540 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 2:1521 3:568 4:9 5:4686 6:165 7:6 8:1545 9:1 11:172 12:1383 13:352 14:2495 15:342 16:270 17:360 18:914 20:450 21:4 22:188 23:7212 24:2729 25:2 27:2710 29:19 31:3114 32:38 34:74 35:184 36:2404 37:4612 38:9095 39:896 40:151 41:4197 42:1912 43:2512 44:346 45:18164 46:4964 47:293 49:1986 50:1865 51:589 52:1569 54:307 55:1144 56:9 57:234 58:2207 59:1184 60:1163 61:2844 62:2930 63:1823 64:5492 65:2200 66:4612 67:3022 68:1180 69:4025 70:1102 71:604 72:2859 74:2773 75:1638 76:628 77:2611 78:1851 79:1503 80:2211 81:2047 82:2120 83:1418 84:1797 85:3285 86:1001 87:2180 88:1273 89:4387 90:752 91:8336 92:2770 93:2919 94:3929 95:4162 96:1294 97:308 98:988 99:737 100:71 101:1375 102:3665 103:32362 104:4647 105:751 106:1014 107:2603 108:1166 109:4091 110:2219 111:3363 112:2044 113:1770 114:1940 115:2158 116:2024 117:2745 118:2846 119:1938 120:1870 121:1347 122:2736 123:2149 124:1596 125:2877 126:94 128:1558 129:952 130:1269 131:1876 132:801 133:451 134:1519 135:322 136:1332 137:1102 138:2888 139:1589 140:1538 141:1495 142:1827 143:1618 144:1035 145:459 146:2129 147:2054 148:2579 149:2846 150:1199 151:1644 152:2065 153:504 154:8035 155:1609 156:3527 157:1873 158:1256 159:2421 160:3525 161:1804 162:3645 163:1777 164:1700 165:2170 166:1321 167:1872 168:4079 169:786 170:5076 171:1000 172:4279 173:3196 174:915 175:1277 176:3596 177:4896 178:3758 179:2222 180:2531 181:3954 182:3373 183:2035 184:2261 185:21420 186:5108 187:4362 188:4243 189:4123 190:9578 191:1549 192:11221 193:9340 194:7712 195:5461 196:3186 197:3684 198:6043 199:8280 200:8023 201:6303 202:10315 203:10507 204:4527 205:3617 206:4583 207:3498 208:4189 209:5116 210:4491 211:2513 212:4507 213:3731 214:1045 215:40 216:6606 217:3101 218:1334 219:376 220:2111 221:1053 222:718 223:2311 End of report