IPv4 R&E Routing Table Report 23:05 GMT Mon 01 May, 2023 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: 913439 Prefixes after maximum aggregation (per Origin AS): 346965 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448702 Number of IPv4 prefixes with a valid ROA: 395015 Number of IPv4 prefixes with an invalid ROA: 1862 Number of IPv4 prefixes with no ROA: 516562 Total ASes present in the Internet Routing Table: 74195 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63705 Origin ASes announcing only one prefix: 26184 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 433 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1095 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 41773 Number of 32-bit ASNs visible in the Routing Table: 34457 Prefixes from 32-bit ASNs in the Routing Table: 170026 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 625 Number of addresses announced to Internet: 3058737408 Equivalent to 182 /8s, 80 /16s and 161 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306266 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237825 Total APNIC prefixes after maximum aggregation: 68446 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232197 Unique aggregates announced from the APNIC address blocks: 97751 APNIC Region origin ASes present in the Internet Routing Table: 13301 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3901 APNIC Region transit ASes present in the Internet Routing Table: 1778 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8671 Number of APNIC addresses announced to Internet: 772860160 Equivalent to 46 /8s, 16 /16s and 233 /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, 131072-151865 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: 268008 Total ARIN prefixes after maximum aggregation: 121601 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270592 Unique aggregates announced from the ARIN address blocks: 130892 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4775 Number of ARIN addresses announced to Internet: 1283162368 Equivalent to 76 /8s, 123 /16s and 129 /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, 393216-401308 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: 259422 Total RIPE prefixes after maximum aggregation: 122083 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255322 Unique aggregates announced from the RIPE address blocks: 158000 RIPE Region origin ASes present in the Internet Routing Table: 28311 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3978 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11154 Number of RIPE addresses announced to Internet: 717911040 Equivalent to 42 /8s, 202 /16s and 116 /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 196608-213403 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: 117645 Total LACNIC prefixes after maximum aggregation: 28217 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116911 Unique aggregates announced from the LACNIC address blocks: 49318 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2291 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8771 Number of LACNIC addresses announced to Internet: 176617984 Equivalent to 10 /8s, 134 /16s and 250 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29444 Total AfriNIC prefixes after maximum aggregation: 5825 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37792 Unique aggregates announced from the AfriNIC address blocks: 12226 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086 Number of AfriNIC addresses announced to Internet: 107771392 Equivalent to 6 /8s, 108 /16s and 118 /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 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5728 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2947 489 235 BBIL-AP BHARTI Airtel Ltd., IN 24560 2384 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2177 442 196 TATACOMM-AS TATA Communications formerl 18403 2159 347 25 FPT-AS-AP FPT Telecom Company, VN 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 8224 10768 2949 AMAZON-02, US 11492 4537 300 608 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3583 3057 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3160 1575 2352 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2636 3591 367 GOOGLE-CLOUD-PLATFORM, US 7018 2512 24150 1575 ATT-INTERNET4, US 30036 2500 360 446 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 7270 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4069 3399 163 AKAMAI-ASN1, NL 8551 3883 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2674 249 1398 M247, RO 34984 2276 359 613 TELLCOM-AS, TR 6849 2017 307 18 UKRTELNET, UA 58224 1853 950 537 TCI, IR 13188 1607 100 18 TRIOLAN, UA 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 11264 3344 596 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2335 358 617 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 442 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 24863 1585 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 489 73 5 EthioNet-AS, ET 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 11264 3344 596 Uninet S.A. de C.V., MX 9808 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8224 10768 2949 AMAZON-02, US 12479 7270 1706 140 UNI2-AS, ES 7545 5728 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4537 300 608 CABLEONE, US 20940 4069 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 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 9463 9426 CHINAMOBILE-CN China Mobile Communications Grou 12479 7270 7130 UNI2-AS, ES 16509 8224 5275 AMAZON-02, US 7545 5728 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 11492 4537 3929 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4069 3906 AKAMAI-ASN1, NL 8551 3883 3846 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /9:14 /10:38 /11:103 /12:298 /13:575 /14:1193 /15:2076 /16:13408 /17:8145 /18:14143 /19:24871 /20:43117 /21:50854 /22:108917 /23:97243 /24:548419 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6330 7270 UNI2-AS, ES 8151 5200 11264 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3446 4537 CABLEONE, US 8551 3355 3883 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3523 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2651 3583 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1787 2:1288 3:175 4:5 5:4509 6:127 7:6 8:1513 9:1 11:172 12:1538 13:382 14:2331 15:299 16:181 17:370 18:413 20:256 21:4 22:188 23:6230 24:2592 25:6 27:2489 29:19 31:2500 32:74 34:12 35:106 36:1948 37:4668 38:4465 39:824 40:150 41:3949 42:1215 43:2321 44:309 45:16482 46:4256 47:357 49:1736 50:1818 51:573 52:1595 54:390 55:858 56:8 57:115 58:1706 59:1102 60:989 61:2474 62:2654 63:1928 64:5661 65:2328 66:4977 67:3005 68:1365 69:4130 70:1231 71:671 72:2982 74:2603 75:1447 76:610 77:2430 78:1801 79:3172 80:2119 81:1762 82:1494 83:1276 84:1512 85:2983 86:765 87:2013 88:1159 89:3661 90:613 91:7724 92:2070 93:2622 94:3595 95:3996 96:1318 97:336 98:1153 99:746 100:73 101:1308 102:2700 103:31230 104:4598 105:488 106:936 107:2525 108:1019 109:4412 110:2084 111:3090 112:2029 113:1577 114:1636 115:2004 116:1902 117:2560 118:2373 119:2007 120:1795 121:1042 122:2579 123:2166 124:1572 125:2458 128:1315 129:1044 130:1013 131:1994 132:851 133:422 134:1899 135:304 136:875 137:950 138:2566 139:1549 140:1245 141:1456 142:1431 143:1490 144:1159 145:345 146:1925 147:1573 148:2316 149:2206 150:876 151:1158 152:1927 153:490 154:4402 155:1437 156:1767 157:1309 158:1061 159:2305 160:2545 161:1528 162:3507 163:1510 164:1602 165:1726 166:1018 167:1741 168:3840 169:937 170:4568 171:881 172:3545 173:2923 174:1069 175:1170 176:3680 177:4563 178:3585 179:2155 180:2602 181:3439 182:3339 183:1975 184:2364 185:20183 186:4759 187:3947 188:4091 189:3549 190:9149 191:1431 192:10927 193:8859 194:7318 195:5139 196:3175 197:2373 198:5868 199:6094 200:7930 201:5868 202:10318 203:10217 204:4580 205:3645 206:4278 207:3390 208:4056 209:4833 210:4169 211:2406 212:4130 213:3581 214:1079 215:59 216:6622 217:2685 218:1273 219:406 220:1763 221:974 222:717 223:2150 End of report