IPv4 R&E Routing Table Report 23:05 GMT Fri 28 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: 972322 Prefixes after maximum aggregation (per Origin AS): 372620 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475300 Number of IPv4 prefixes with a valid ROA: 532276 Number of IPv4 prefixes with an invalid ROA: 1107 Number of IPv4 prefixes with no ROA: 438939 Total ASes present in the Internet Routing Table: 76525 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65658 Origin ASes announcing only one prefix: 26908 Transit ASes present in the Internet Routing Table: 10867 Transit-only ASes present in the Internet Routing Table: 528 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 969 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 46213 Number of 32-bit ASNs visible in the Routing Table: 37865 Prefixes from 32-bit ASNs in the Routing Table: 198869 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 454 Number of addresses announced to Internet: 3109104128 Equivalent to 185 /8s, 81 /16s and 42 /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: 318885 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254915 Total APNIC prefixes after maximum aggregation: 76181 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246948 Unique aggregates announced from the APNIC address blocks: 102654 APNIC Region origin ASes present in the Internet Routing Table: 14495 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4419 APNIC Region transit ASes present in the Internet Routing Table: 1956 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10018 Number of APNIC addresses announced to Internet: 749707264 Equivalent to 44 /8s, 175 /16s and 160 /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: 286550 Total ARIN prefixes after maximum aggregation: 127580 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287817 Unique aggregates announced from the ARIN address blocks: 136018 ARIN Region origin ASes present in the Internet Routing Table: 19191 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 7036 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5162 Number of ARIN addresses announced to Internet: 1348208896 Equivalent to 80 /8s, 92 /16s and 9 /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: 271844 Total RIPE prefixes after maximum aggregation: 132241 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 269361 Unique aggregates announced from the RIPE address blocks: 172278 RIPE Region origin ASes present in the Internet Routing Table: 28845 RIPE Prefixes per ASN: 9.34 RIPE Region origin ASes announcing only one prefix: 12082 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12274 Number of RIPE addresses announced to Internet: 732691456 Equivalent to 43 /8s, 171 /16s and 252 /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: 123014 Total LACNIC prefixes after maximum aggregation: 29197 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119955 Unique aggregates announced from the LACNIC address blocks: 48885 LACNIC Region origin ASes present in the Internet Routing Table: 11195 LACNIC Prefixes per ASN: 10.72 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: 9136 Number of LACNIC addresses announced to Internet: 173771520 Equivalent to 10 /8s, 91 /16s and 139 /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: 35030 Total AfriNIC prefixes after maximum aggregation: 6815 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 47787 Unique aggregates announced from the AfriNIC address blocks: 15068 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 24.98 AfriNIC Region origin ASes announcing only one prefix: 703 AfriNIC Region transit ASes present in the Internet Routing Table: 372 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: 1275 Number of AfriNIC addresses announced to Internet: 104484864 Equivalent to 6 /8s, 58 /16s and 80 /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 10323 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6216 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4335 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4241 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3689 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3265 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2846 855 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2168 434 196 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 12818 39186 3779 AMAZON-02, US 11492 4704 312 566 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3371 3035 178 ASN-CXA-ALL-CCI-22773-RDC, US 174 3354 8763 933 COGENT-174, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2954 1252 2179 AKAMAI-AS, US 396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US 30036 2579 358 336 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 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3903 3395 127 AKAMAI-ASN1, NL 9009 3754 321 1924 M247, RO 12389 2983 2303 893 ROSTELECOM-AS, RU 34984 2367 361 580 TELLCOM-AS, TR 212238 2009 146 1484 CDNEXT, GB 8452 1617 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1489 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 11787 3235 592 UNINET, MX 10620 3547 492 953 Telmex Colombia S.A., CO 13999 2513 539 370 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2436 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1326 777 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1172 371 22 Telefonica del Peru S.A.A., PE 11664 1167 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 22884 1048 82 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1683 599 30 RAYA-AS, EG 24863 1619 389 16 LINKdotNET-AS, EG 29571 1570 99 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1013 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 6713 559 1861 35 IAM-AS, MA 36914 553 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 12818 39186 3779 AMAZON-02, US 8151 11787 3235 592 UNINET, MX 9808 10323 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7758 1714 145 UNI2-AS, ES 7545 6216 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4704 312 566 CABLEONE, US 18403 4335 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4241 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 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 11787 11195 UNINET, MX 9808 10323 10235 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7613 UNI2-AS, ES 7545 6216 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4335 4310 FPT-AS-AP FPT Telecom Company, VN 11492 4704 4138 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4241 3965 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 3895 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 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 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 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 /11:92 /12:304 /13:583 /14:1215 /15:2143 /16:13920 /17:8228 /18:13629 /19:24443 /20:43746 /21:51721 /22:111937 /23:100714 /24:599573 /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 6712 7758 UNI2-AS, ES 8151 5987 11787 UNINET, MX 11492 3555 4704 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2509 3371 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2279 12818 AMAZON-02, US 30036 2239 2579 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2187 3547 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 2:1504 3:576 4:10 5:4545 6:167 7:6 8:1551 9:1 11:172 12:1379 13:351 14:2512 15:350 16:277 17:356 18:919 20:454 21:4 22:188 23:7290 24:2726 25:2 27:2681 29:19 31:3176 32:35 34:81 35:202 36:2409 37:4602 38:8707 39:897 40:153 41:4172 42:1975 43:2526 44:348 45:18302 46:4994 47:291 49:1978 50:1890 51:590 52:1570 54:302 55:915 56:9 57:240 58:2217 59:1216 60:1167 61:2837 62:2878 63:1827 64:5498 65:2174 66:4607 67:3042 68:1119 69:3958 70:1103 71:607 72:2872 74:2775 75:1647 76:611 77:2667 78:1853 79:1725 80:2203 81:2015 82:2701 83:1384 84:1804 85:3355 86:1031 87:2154 88:1280 89:4304 90:777 91:8304 92:2800 93:2884 94:3910 95:4238 96:1343 97:318 98:972 99:740 100:71 101:1381 102:3648 103:32338 104:4794 105:749 106:997 107:2594 108:1206 109:4097 110:2228 111:3315 112:2040 113:1794 114:1943 115:2121 116:2038 117:2761 118:2878 119:1944 120:1876 121:1356 122:2753 123:2165 124:1606 125:2884 126:94 128:1542 129:953 130:1265 131:1838 132:787 133:450 134:1530 135:329 136:1310 137:1107 138:2891 139:1619 140:1555 141:1473 142:1818 143:1620 144:1064 145:471 146:2130 147:2067 148:2590 149:2861 150:1239 151:1706 152:2102 153:504 154:7532 155:1598 156:3291 157:1894 158:1261 159:2435 160:3538 161:1923 162:3684 163:1840 164:1696 165:2184 166:1363 167:1875 168:4026 169:787 170:5067 171:1002 172:4348 173:3226 174:913 175:1279 176:3624 177:4660 178:3763 179:2216 180:2562 181:4010 182:3371 183:2068 184:2299 185:21435 186:5069 187:4296 188:4193 189:4180 190:9642 191:1484 192:11140 193:9379 194:7737 195:5495 196:3273 197:3771 198:6058 199:8366 200:8019 201:6282 202:10321 203:10515 204:4535 205:3623 206:4562 207:3459 208:4186 209:5160 210:4503 211:2525 212:4508 213:3738 214:1058 215:42 216:6555 217:3108 218:1335 219:374 220:2102 221:1051 222:718 223:2323 End of report