IPv4 R&E Routing Table Report 23:05 GMT Tue 15 Oct, 2024 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: 955764 Prefixes after maximum aggregation (per Origin AS): 366019 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467899 Number of IPv4 prefixes with a valid ROA: 504625 Number of IPv4 prefixes with an invalid ROA: 1205 Number of IPv4 prefixes with no ROA: 449934 Total ASes present in the Internet Routing Table: 76108 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 65383 Origin ASes announcing only one prefix: 26804 Transit ASes present in the Internet Routing Table: 10725 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN (198039) 50 Prefixes from unregistered ASNs in the Routing Table: 982 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 45545 Number of 32-bit ASNs visible in the Routing Table: 37158 Prefixes from 32-bit ASNs in the Routing Table: 192666 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3027374336 Equivalent to 180 /8s, 114 /16s and 17 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 313595 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252069 Total APNIC prefixes after maximum aggregation: 74886 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244169 Unique aggregates announced from the APNIC address blocks: 100934 APNIC Region origin ASes present in the Internet Routing Table: 14307 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4358 APNIC Region transit ASes present in the Internet Routing Table: 1903 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: 9795 Number of APNIC addresses announced to Internet: 756160256 Equivalent to 45 /8s, 18 /16s and 23 /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: 280371 Total ARIN prefixes after maximum aggregation: 125821 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283493 Unique aggregates announced from the ARIN address blocks: 135373 ARIN Region origin ASes present in the Internet Routing Table: 19127 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5023 Number of ARIN addresses announced to Internet: 1266857984 Equivalent to 75 /8s, 130 /16s and 184 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 267347 Total RIPE prefixes after maximum aggregation: 129306 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 264058 Unique aggregates announced from the RIPE address blocks: 168397 RIPE Region origin ASes present in the Internet Routing Table: 28750 RIPE Prefixes per ASN: 9.18 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12036 Number of RIPE addresses announced to Internet: 722333440 Equivalent to 43 /8s, 13 /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, 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: 122084 Total LACNIC prefixes after maximum aggregation: 28828 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119749 Unique aggregates announced from the LACNIC address blocks: 48488 LACNIC Region origin ASes present in the Internet Routing Table: 11157 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2461 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9061 Number of LACNIC addresses announced to Internet: 177549056 Equivalent to 10 /8s, 149 /16s and 47 /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: 32911 Total AfriNIC prefixes after maximum aggregation: 6543 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 43771 Unique aggregates announced from the AfriNIC address blocks: 14268 AfriNIC Region origin ASes present in the Internet Routing Table: 1877 AfriNIC Prefixes per ASN: 23.32 AfriNIC Region origin ASes announcing only one prefix: 686 AfriNIC Region transit ASes present in the Internet Routing Table: 361 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1243 Number of AfriNIC addresses announced to Internet: 104191744 Equivalent to 6 /8s, 53 /16s and 215 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 10076 8750 74 CHINAMOBILE-CN China Mobile Communication 7545 5978 840 656 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4526 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3982 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3840 511 267 BBIL-AP BHARTI Airtel Ltd., IN 7713 3633 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2777 828 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 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 10859 11901 3808 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4493 8766 876 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3411 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3192 23677 1972 ATT-INTERNET4, US 396982 2864 3652 421 GOOGLE-CLOUD-PLATFORM, US 16625 2787 1216 2094 AKAMAI-AS, 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 7635 1709 143 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3817 3395 125 AKAMAI-ASN1, NL 9009 3642 312 1851 M247, RO 12389 2949 2295 882 ROSTELECOM-AS, RU 34984 2333 357 579 TELLCOM-AS, TR 212238 1774 130 1316 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1470 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11538 3242 507 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2549 534 362 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1150 374 163 Axtel, S.A.B. de C.V., MX 6147 1107 369 22 Telefonica del Peru S.A.A., PE 22884 1056 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1034 2503 53 TIM SA, BR 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 1631 593 29 RAYA-AS, EG 24863 1619 389 18 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1348 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 992 523 47 Vodafone-, EG 37069 624 1099 14 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 531 82 3 KENET-AS, KE 15399 508 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 8151 11538 3242 507 UNINET, MX 16509 10859 11901 3808 AMAZON-02, US 9808 10076 8750 74 CHINAMOBILE-CN China Mobile Communication 12479 7635 1709 143 UNI2-AS, ES 7545 5978 840 656 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4526 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4493 8766 876 COGENT-174, US 7155 4163 287 85 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 9808 10076 10002 CHINAMOBILE-CN China Mobile Communications Grou 12479 7635 7492 UNI2-AS, ES 16509 10859 7051 AMAZON-02, US 7545 5978 5322 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4526 4503 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3982 3957 VIETEL-AS-AP Viettel Group, VN 20940 3817 3692 AKAMAI-ASN1, NL 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 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 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 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 /10:36 /11:91 /12:295 /13:575 /14:1171 /15:2057 /16:13158 /17:8155 /18:13605 /19:24207 /20:43619 /21:51630 /22:111456 /23:99279 /24:586398 /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 6700 7635 UNI2-AS, ES 8151 5720 11538 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3428 4668 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2543 3411 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2221 10859 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2175 2514 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1532 3:501 4:8 5:4478 6:169 7:6 8:1508 9:1 11:172 12:1424 13:374 14:2432 15:330 16:264 17:355 18:886 20:421 21:4 22:188 23:6865 24:2647 25:2 27:2656 29:19 31:2836 32:44 34:72 35:141 36:2357 37:4531 38:8673 39:913 40:154 41:4132 42:2172 43:2399 44:336 45:17588 46:4666 47:299 49:2004 50:1877 51:581 52:1576 54:317 55:956 56:8 57:222 58:2180 59:1198 60:1139 61:2766 62:2796 63:1846 64:5404 65:2270 66:4639 67:2998 68:1334 69:4011 70:1130 71:567 72:2857 74:2777 75:1625 76:632 77:2575 78:1863 79:1655 80:2191 81:2021 82:1740 83:1373 84:1739 85:3080 86:985 87:2155 88:1258 89:4332 90:668 91:8241 92:2596 93:2801 94:3796 95:4302 96:1260 97:316 98:1075 99:739 100:74 101:1164 102:3402 103:32244 104:4454 105:711 106:984 107:2386 108:1163 109:4007 110:2189 111:3311 112:2046 113:1775 114:1919 115:2114 116:1948 117:2728 118:2871 119:1984 120:1868 121:1340 122:2684 123:2137 124:1613 125:2830 126:64 128:1397 129:929 130:1232 131:1832 132:813 133:444 134:1515 135:313 136:1222 137:1083 138:2871 139:1520 140:1462 141:1437 142:1772 143:1593 144:1028 145:389 146:2081 147:2046 148:2540 149:2823 150:1067 151:1385 152:2101 153:500 154:7020 155:1485 156:2583 157:1824 158:1201 159:2436 160:3196 161:1810 162:3563 163:1746 164:1937 165:2137 166:1292 167:1854 168:4072 169:775 170:4919 171:1030 172:3887 173:3107 174:905 175:1271 176:3466 177:4797 178:3550 179:2210 180:2482 181:3884 182:3318 183:2053 184:2263 185:21109 186:5008 187:4228 188:4230 189:4075 190:9588 191:1517 192:11046 193:9264 194:7586 195:5404 196:3220 197:3081 198:5916 199:8173 200:7954 201:6224 202:10225 203:10363 204:4580 205:3639 206:4583 207:3573 208:4185 209:5142 210:4504 211:2562 212:4479 213:3622 214:1069 215:48 216:6630 217:3007 218:1320 219:394 220:2068 221:1049 222:709 223:2247 End of report