IPv4 R&E Routing Table Report 23:05 GMT Fri 06 Dec, 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: 961805 Prefixes after maximum aggregation (per Origin AS): 368484 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471634 Number of IPv4 prefixes with a valid ROA: 513799 Number of IPv4 prefixes with an invalid ROA: 1162 Number of IPv4 prefixes with no ROA: 446844 Total ASes present in the Internet Routing Table: 76312 Prefixes per ASN: 12.60 Origin-only ASes present in the Internet Routing Table: 65534 Origin ASes announcing only one prefix: 26836 Transit ASes present in the Internet Routing Table: 10778 Transit-only ASes present in the Internet Routing Table: 513 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: 63 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1019 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 45964 Number of 32-bit ASNs visible in the Routing Table: 37466 Prefixes from 32-bit ASNs in the Routing Table: 195271 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: 472 Number of addresses announced to Internet: 3024859648 Equivalent to 180 /8s, 75 /16s and 178 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 315628 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253239 Total APNIC prefixes after maximum aggregation: 75392 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245562 Unique aggregates announced from the APNIC address blocks: 101762 APNIC Region origin ASes present in the Internet Routing Table: 14388 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4395 APNIC Region transit ASes present in the Internet Routing Table: 1908 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: 9897 Number of APNIC addresses announced to Internet: 755396096 Equivalent to 45 /8s, 6 /16s and 110 /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: 282158 Total ARIN prefixes after maximum aggregation: 126466 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284605 Unique aggregates announced from the ARIN address blocks: 136409 ARIN Region origin ASes present in the Internet Routing Table: 19147 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1916 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: 5073 Number of ARIN addresses announced to Internet: 1265672704 Equivalent to 75 /8s, 112 /16s and 162 /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: 268675 Total RIPE prefixes after maximum aggregation: 130304 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265566 Unique aggregates announced from the RIPE address blocks: 169818 RIPE Region origin ASes present in the Internet Routing Table: 28816 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12147 Number of RIPE addresses announced to Internet: 721744384 Equivalent to 43 /8s, 4 /16s and 242 /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: 122649 Total LACNIC prefixes after maximum aggregation: 29128 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120168 Unique aggregates announced from the LACNIC address blocks: 48657 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: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2484 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: 9079 Number of LACNIC addresses announced to Internet: 177543680 Equivalent to 10 /8s, 149 /16s and 26 /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: 34065 Total AfriNIC prefixes after maximum aggregation: 6559 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 45432 Unique aggregates announced from the AfriNIC address blocks: 14591 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 23.76 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 104250112 Equivalent to 6 /8s, 54 /16s and 187 /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 10092 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6194 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4574 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3963 518 286 BBIL-AP BHARTI Airtel Ltd., IN 7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3682 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2808 837 544 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2216 434 194 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 11090 11988 3954 AMAZON-02, US 11492 4679 311 553 CABLEONE, US 174 4184 8763 881 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3401 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3192 23504 2025 ATT-INTERNET4, US 396982 2886 3655 434 GOOGLE-CLOUD-PLATFORM, US 16625 2827 1231 2114 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 7716 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3875 3395 125 AKAMAI-ASN1, NL 9009 3681 317 1865 M247, RO 12389 2938 2294 878 ROSTELECOM-AS, RU 34984 2342 360 575 TELLCOM-AS, TR 212238 1826 132 1347 CDNEXT, GB 8452 1623 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1493 98 749 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 11501 3226 604 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2534 538 370 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1152 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 999 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 1649 593 29 RAYA-AS, EG 24863 1637 389 16 LINKdotNET-AS, EG 29571 1447 91 59 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 999 520 40 Vodafone-, EG 20011 944 167 258 INTERNET-SOLUTIONS, ZA 37069 834 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 549 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 11501 3226 604 UNINET, MX 16509 11090 11988 3954 AMAZON-02, US 9808 10092 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7716 1709 143 UNI2-AS, ES 7545 6194 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4679 311 553 CABLEONE, US 18403 4574 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4184 8763 881 COGENT-174, US 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 10092 10005 CHINAMOBILE-CN China Mobile Communications Grou 12479 7716 7573 UNI2-AS, ES 16509 11090 7136 AMAZON-02, US 7545 6194 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4574 4551 FPT-AS-AP FPT Telecom Company, VN 11492 4679 4126 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3910 3885 VIETEL-AS-AP Viettel Group, VN 20940 3875 3750 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 23.140.216.0/24 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 23.154.248.0/24 Origin: 54641 IMH-IAD, US 23.154.248.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /14:1165 /15:2052 /16:13111 /17:8137 /18:13549 /19:24276 /20:43798 /21:51743 /22:111476 /23:99661 /24:591810 /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 6698 7716 UNI2-AS, ES 8151 5698 11501 UNINET, MX 11492 3555 4679 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3401 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2260 11090 AMAZON-02, US 30036 2210 2550 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 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) ---------------------------------------------- 1:2303 2:1542 3:525 4:8 5:4456 6:166 7:6 8:1545 9:1 11:172 12:1396 13:367 14:2462 15:334 16:270 17:358 18:902 20:444 21:4 22:188 23:7057 24:2739 25:2 27:2663 29:19 31:3035 32:37 34:73 35:177 36:2384 37:4471 38:8697 39:878 40:132 41:4161 42:2151 43:2468 44:343 45:17772 46:4936 47:296 49:1992 50:1850 51:585 52:1574 54:316 55:1030 56:8 57:231 58:2240 59:1180 60:1153 61:2804 62:2871 63:1825 64:5406 65:2275 66:4622 67:3023 68:1287 69:3975 70:1113 71:588 72:2853 74:2769 75:1638 76:635 77:2560 78:1849 79:1655 80:2197 81:2032 82:1767 83:1394 84:1769 85:3196 86:974 87:2159 88:1258 89:4371 90:735 91:8254 92:2722 93:2823 94:3853 95:4192 96:1246 97:313 98:1066 99:734 100:71 101:1417 102:3444 103:32237 104:4422 105:723 106:985 107:2428 108:1186 109:4027 110:2232 111:3310 112:2039 113:1799 114:1933 115:2167 116:1994 117:2715 118:2880 119:1977 120:1858 121:1347 122:2723 123:2154 124:1595 125:2842 126:62 128:1528 129:938 130:1249 131:1854 132:798 133:448 134:1506 135:325 136:1332 137:1105 138:2861 139:1538 140:1504 141:1452 142:1842 143:1595 144:1022 145:402 146:2109 147:2039 148:2575 149:2814 150:1162 151:1468 152:2109 153:499 154:7313 155:1567 156:2756 157:1846 158:1219 159:2434 160:3383 161:1754 162:3589 163:1771 164:1697 165:2152 166:1343 167:1863 168:4096 169:789 170:5027 171:998 172:3956 173:3153 174:917 175:1275 176:3556 177:4835 178:3707 179:2267 180:2534 181:3945 182:3359 183:2092 184:2259 185:21270 186:4989 187:4217 188:4203 189:4119 190:9558 191:1511 192:11143 193:9273 194:7668 195:5396 196:3209 197:3592 198:5913 199:8253 200:8056 201:6309 202:10227 203:10440 204:4612 205:3656 206:4596 207:3480 208:4219 209:5087 210:4511 211:2521 212:4509 213:3686 214:1050 215:48 216:6565 217:3092 218:1308 219:387 220:2093 221:1051 222:712 223:2286 End of report