IPv4 R&E Routing Table Report 23:05 GMT Sat 30 Nov, 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: 961893 Prefixes after maximum aggregation (per Origin AS): 367882 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471128 Number of IPv4 prefixes with a valid ROA: 513173 Number of IPv4 prefixes with an invalid ROA: 797 Number of IPv4 prefixes with no ROA: 447923 Total ASes present in the Internet Routing Table: 76290 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 65523 Origin ASes announcing only one prefix: 26819 Transit ASes present in the Internet Routing Table: 10767 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1043 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 45928 Number of 32-bit ASNs visible in the Routing Table: 37432 Prefixes from 32-bit ASNs in the Routing Table: 195239 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 475 Number of addresses announced to Internet: 3025420800 Equivalent to 180 /8s, 84 /16s and 66 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315789 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252837 Total APNIC prefixes after maximum aggregation: 75132 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 245189 Unique aggregates announced from the APNIC address blocks: 101608 APNIC Region origin ASes present in the Internet Routing Table: 14379 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4414 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: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9881 Number of APNIC addresses announced to Internet: 755492608 Equivalent to 45 /8s, 7 /16s and 231 /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: 282291 Total ARIN prefixes after maximum aggregation: 126308 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284524 Unique aggregates announced from the ARIN address blocks: 136216 ARIN Region origin ASes present in the Internet Routing Table: 19156 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5067 Number of ARIN addresses announced to Internet: 1265932800 Equivalent to 75 /8s, 116 /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: 268923 Total RIPE prefixes after maximum aggregation: 130158 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 266051 Unique aggregates announced from the RIPE address blocks: 169650 RIPE Region origin ASes present in the Internet Routing Table: 28792 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12126 Number of RIPE addresses announced to Internet: 722007296 Equivalent to 43 /8s, 8 /16s and 245 /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: 122667 Total LACNIC prefixes after maximum aggregation: 29095 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120219 Unique aggregates announced from the LACNIC address blocks: 48692 LACNIC Region origin ASes present in the Internet Routing Table: 11162 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2485 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: 9085 Number of LACNIC addresses announced to Internet: 177513472 Equivalent to 10 /8s, 148 /16s and 164 /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: 34132 Total AfriNIC prefixes after maximum aggregation: 6543 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 45435 Unique aggregates announced from the AfriNIC address blocks: 14562 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 23.75 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273 Number of AfriNIC addresses announced to Internet: 104219648 Equivalent to 6 /8s, 54 /16s and 68 /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 10067 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6163 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4611 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3954 518 288 BBIL-AP BHARTI Airtel Ltd., IN 7552 3907 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3680 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2788 834 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2217 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 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 11083 11967 3950 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4611 8764 887 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3403 3035 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3216 23568 2051 ATT-INTERNET4, US 396982 2884 3655 433 GOOGLE-CLOUD-PLATFORM, US 16625 2804 1223 2096 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 7670 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3874 3395 125 AKAMAI-ASN1, NL 9009 3671 317 1861 M247, RO 12389 2941 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1833 133 1353 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1490 98 746 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 11469 3222 607 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2535 537 371 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 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 1659 593 29 RAYA-AS, EG 24863 1636 389 16 LINKdotNET-AS, EG 29571 1424 90 59 ORANGE-COTE-IVOIRE, CI 36992 1422 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 544 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 8151 11469 3222 607 UNINET, MX 16509 11083 11967 3950 AMAZON-02, US 9808 10067 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7670 1709 143 UNI2-AS, ES 7545 6163 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4611 8764 887 COGENT-174, US 18403 4611 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 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 10067 9982 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7527 UNI2-AS, ES 16509 11083 7133 AMAZON-02, US 7545 6163 5503 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4611 4588 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3907 3882 VIETEL-AS-AP Viettel Group, VN 20940 3874 3749 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 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 /13:573 /14:1169 /15:2051 /16:13115 /17:8144 /18:13574 /19:24286 /20:43892 /21:51727 /22:111539 /23:99588 /24:591781 /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 6660 7670 UNI2-AS, ES 8151 5671 11469 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2265 11083 AMAZON-02, US 30036 2206 2546 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2280 2:1540 3:526 4:8 5:4521 6:166 7:6 8:1490 9:1 11:172 12:1410 13:368 14:2464 15:333 16:270 17:359 18:900 20:446 21:4 22:188 23:7042 24:2651 25:2 27:2663 29:19 31:3028 32:38 34:73 35:172 36:2387 37:4530 38:9038 39:891 40:149 41:4164 42:2228 43:2453 44:342 45:17762 46:4910 47:297 49:1998 50:1853 51:585 52:1575 54:316 55:942 56:8 57:230 58:2246 59:1180 60:1153 61:2780 62:2833 63:1839 64:5416 65:2270 66:4613 67:3016 68:1287 69:3995 70:1116 71:589 72:2857 74:2779 75:1631 76:635 77:2560 78:1846 79:1633 80:2193 81:2052 82:1777 83:1504 84:1763 85:3188 86:971 87:2162 88:1253 89:4395 90:732 91:8261 92:2645 93:2854 94:3858 95:4202 96:1243 97:313 98:1067 99:734 100:71 101:1412 102:3451 103:32204 104:4435 105:734 106:982 107:2409 108:1178 109:4032 110:2236 111:3257 112:2036 113:1801 114:1935 115:2113 116:1986 117:2705 118:2861 119:1977 120:1848 121:1349 122:2717 123:2153 124:1610 125:2838 126:62 128:1518 129:933 130:1253 131:1873 132:806 133:448 134:1526 135:321 136:1303 137:1098 138:2872 139:1534 140:1485 141:1453 142:1830 143:1593 144:1024 145:402 146:2100 147:2041 148:2569 149:2806 150:1154 151:1466 152:2104 153:499 154:7297 155:1561 156:2753 157:1862 158:1230 159:2434 160:3366 161:1704 162:3583 163:1775 164:1932 165:2149 166:1337 167:1856 168:4081 169:798 170:5017 171:996 172:3943 173:3142 174:919 175:1272 176:3539 177:4865 178:3715 179:2267 180:2522 181:3936 182:3355 183:2063 184:2262 185:21254 186:5018 187:4209 188:4223 189:4098 190:9576 191:1505 192:11149 193:9266 194:7631 195:5392 196:3205 197:3599 198:5911 199:8218 200:8032 201:6299 202:10238 203:10399 204:4614 205:3636 206:4597 207:3485 208:4217 209:5075 210:4478 211:2523 212:4497 213:3686 214:1056 215:48 216:6563 217:3078 218:1306 219:387 220:2094 221:1052 222:708 223:2286 End of report