IPv4 R&E Routing Table Report 23:05 GMT Tue 22 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: 957006 Prefixes after maximum aggregation (per Origin AS): 366291 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468282 Number of IPv4 prefixes with a valid ROA: 505678 Number of IPv4 prefixes with an invalid ROA: 1248 Number of IPv4 prefixes with no ROA: 450080 Total ASes present in the Internet Routing Table: 76139 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65412 Origin ASes announcing only one prefix: 26779 Transit ASes present in the Internet Routing Table: 10727 Transit-only ASes present in the Internet Routing Table: 503 Paths with bogon ASNs present in the IPv4 Routing Table: 14 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: 976 Number of instances of unregistered ASNs: 987 Number of 32-bit ASNs allocated by the RIRs: 45596 Number of 32-bit ASNs visible in the Routing Table: 37200 Prefixes from 32-bit ASNs in the Routing Table: 193172 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3027016960 Equivalent to 180 /8s, 108 /16s and 157 /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: 314357 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252212 Total APNIC prefixes after maximum aggregation: 74904 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244334 Unique aggregates announced from the APNIC address blocks: 101034 APNIC Region origin ASes present in the Internet Routing Table: 14317 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4361 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: 9809 Number of APNIC addresses announced to Internet: 756071680 Equivalent to 45 /8s, 16 /16s and 189 /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: 280684 Total ARIN prefixes after maximum aggregation: 125930 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283754 Unique aggregates announced from the ARIN address blocks: 135520 ARIN Region origin ASes present in the Internet Routing Table: 19131 ARIN Prefixes per ASN: 14.83 ARIN Region origin ASes announcing only one prefix: 6965 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: 5024 Number of ARIN addresses announced to Internet: 1266667520 Equivalent to 75 /8s, 127 /16s and 208 /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: 267304 Total RIPE prefixes after maximum aggregation: 129433 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 264246 Unique aggregates announced from the RIPE address blocks: 168527 RIPE Region origin ASes present in the Internet Routing Table: 28745 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3921 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12045 Number of RIPE addresses announced to Internet: 722200320 Equivalent to 43 /8s, 11 /16s and 231 /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: 122877 Total LACNIC prefixes after maximum aggregation: 28837 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120468 Unique aggregates announced from the LACNIC address blocks: 48474 LACNIC Region origin ASes present in the Internet Routing Table: 11162 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2634 LACNIC Region transit ASes present in the Internet Routing Table: 2458 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: 9063 Number of LACNIC addresses announced to Internet: 177535744 Equivalent to 10 /8s, 148 /16s and 251 /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: 32953 Total AfriNIC prefixes after maximum aggregation: 6548 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 43689 Unique aggregates announced from the AfriNIC address blocks: 14288 AfriNIC Region origin ASes present in the Internet Routing Table: 1897 AfriNIC Prefixes per ASN: 23.03 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 364 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: 1259 Number of AfriNIC addresses announced to Internet: 104265728 Equivalent to 6 /8s, 54 /16s and 248 /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 10080 8751 83 CHINAMOBILE-CN China Mobile Communication 7545 5978 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4540 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3948 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3848 511 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3652 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2781 829 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2210 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 10883 11910 3794 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4529 8765 871 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 3263 54912 2510 DNIC-AS-00749, US 7018 3207 23678 1981 ATT-INTERNET4, US 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16625 2795 1218 2098 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 7632 1709 143 UNI2-AS, ES 39891 4652 281 59 ALJAWWALSTC-AS, SA 20940 3825 3395 125 AKAMAI-ASN1, NL 9009 3700 319 1906 M247, RO 12389 2943 2294 879 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1799 132 1335 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1518 1852 14 TE-AS TE-AS, EG 8551 1472 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 11549 3236 511 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2536 534 356 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1154 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1055 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1043 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 1637 593 29 RAYA-AS, EG 24863 1616 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1353 86 57 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 976 521 41 Vodafone-, EG 37069 595 1099 13 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 523 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 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 11549 3236 511 UNINET, MX 16509 10883 11910 3794 AMAZON-02, US 9808 10080 8751 83 CHINAMOBILE-CN China Mobile Communication 12479 7632 1709 143 UNI2-AS, ES 7545 5978 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4660 310 547 CABLEONE, US 39891 4652 281 59 ALJAWWALSTC-AS, SA 18403 4540 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4529 8765 871 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 10080 9997 CHINAMOBILE-CN China Mobile Communications Grou 12479 7632 7489 UNI2-AS, ES 16509 10883 7089 AMAZON-02, US 7545 5978 5323 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4652 4593 ALJAWWALSTC-AS, SA 18403 4540 4517 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3948 3923 VIETEL-AS-AP Viettel Group, VN 20940 3825 3700 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 23.128.20.0/24 Origin: 23013 FORTANIX, US 23.128.20.0/24 Transit: 2914 NTT-LTD-2914, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /15:2058 /16:13155 /17:8165 /18:13596 /19:24183 /20:43595 /21:51580 /22:111494 /23:99250 /24:587730 /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 6697 7632 UNI2-AS, ES 8151 5737 11549 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3412 4652 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2542 3411 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2207 10883 AMAZON-02, US 30036 2181 2521 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2175 3546 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) ---------------------------------------------- 1:2275 2:1527 3:503 4:8 5:4452 6:169 7:6 8:1499 9:1 11:172 12:1422 13:369 14:2428 15:331 16:264 17:358 18:895 20:430 21:4 22:188 23:6895 24:2647 25:2 27:2639 29:19 31:2903 32:44 34:73 35:142 36:2364 37:4493 38:8709 39:917 40:153 41:4135 42:2182 43:2417 44:335 45:17632 46:4657 47:299 49:2006 50:1870 51:580 52:1582 54:317 55:956 56:8 57:222 58:2181 59:1195 60:1143 61:2767 62:2828 63:1851 64:5425 65:2279 66:4640 67:2995 68:1333 69:4018 70:1129 71:567 72:2863 74:2779 75:1627 76:635 77:2577 78:1868 79:1651 80:2189 81:2024 82:1788 83:1368 84:1739 85:3089 86:972 87:2158 88:1256 89:4371 90:685 91:8259 92:2631 93:2813 94:3803 95:4298 96:1261 97:316 98:1076 99:739 100:72 101:1164 102:3411 103:32246 104:4401 105:705 106:984 107:2390 108:1153 109:4029 110:2202 111:3308 112:2039 113:1773 114:1927 115:2116 116:1963 117:2713 118:2876 119:1978 120:1870 121:1347 122:2692 123:2140 124:1619 125:2828 126:64 128:1412 129:927 130:1234 131:1850 132:806 133:446 134:1518 135:313 136:1250 137:1094 138:2889 139:1542 140:1476 141:1558 142:1796 143:1595 144:1022 145:395 146:2086 147:2039 148:2523 149:2802 150:1101 151:1378 152:2102 153:498 154:6934 155:1514 156:2567 157:1833 158:1211 159:2424 160:3219 161:1737 162:3561 163:1754 164:1935 165:2136 166:1302 167:1856 168:4059 169:780 170:4942 171:1024 172:3889 173:3109 174:907 175:1273 176:3469 177:4977 178:3535 179:2240 180:2499 181:3922 182:3315 183:2054 184:2266 185:21112 186:5040 187:4308 188:4232 189:4148 190:9651 191:1546 192:11057 193:9258 194:7586 195:5408 196:3230 197:3077 198:5913 199:8176 200:7990 201:6258 202:10224 203:10358 204:4617 205:3653 206:4567 207:3576 208:4198 209:5135 210:4510 211:2571 212:4503 213:3640 214:1071 215:48 216:6631 217:3035 218:1321 219:396 220:2069 221:1048 222:707 223:2272 End of report