IPv4 R&E Routing Table Report 23:05 GMT Mon 23 Oct, 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: 926181 Prefixes after maximum aggregation (per Origin AS): 353379 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453927 Number of IPv4 prefixes with a valid ROA: 426749 Number of IPv4 prefixes with an invalid ROA: 1662 Number of IPv4 prefixes with no ROA: 497770 Total ASes present in the Internet Routing Table: 74796 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64223 Origin ASes announcing only one prefix: 26456 Transit ASes present in the Internet Routing Table: 10573 Transit-only ASes present in the Internet Routing Table: 469 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 42907 Number of 32-bit ASNs visible in the Routing Table: 35222 Prefixes from 32-bit ASNs in the Routing Table: 175881 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3050769920 Equivalent to 181 /8s, 215 /16s and 14 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309427 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242030 Total APNIC prefixes after maximum aggregation: 70440 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235549 Unique aggregates announced from the APNIC address blocks: 99149 APNIC Region origin ASes present in the Internet Routing Table: 13631 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4085 APNIC Region transit ASes present in the Internet Routing Table: 1817 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9023 Number of APNIC addresses announced to Internet: 771487488 Equivalent to 45 /8s, 251 /16s and 247 /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: 272415 Total ARIN prefixes after maximum aggregation: 123810 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276169 Unique aggregates announced from the ARIN address blocks: 132088 ARIN Region origin ASes present in the Internet Routing Table: 19033 ARIN Prefixes per ASN: 14.51 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1276798976 Equivalent to 76 /8s, 26 /16s and 104 /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: 261727 Total RIPE prefixes after maximum aggregation: 124019 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256847 Unique aggregates announced from the RIPE address blocks: 160303 RIPE Region origin ASes present in the Internet Routing Table: 28428 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12087 RIPE Region transit ASes present in the Internet Routing Table: 3949 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11376 Number of RIPE addresses announced to Internet: 716423680 Equivalent to 42 /8s, 179 /16s and 194 /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: 118923 Total LACNIC prefixes after maximum aggregation: 28423 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117875 Unique aggregates announced from the LACNIC address blocks: 49303 LACNIC Region origin ASes present in the Internet Routing Table: 11035 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2364 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178336768 Equivalent to 10 /8s, 161 /16s and 52 /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: 30029 Total AfriNIC prefixes after maximum aggregation: 5963 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39219 Unique aggregates announced from the AfriNIC address blocks: 12646 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107298560 Equivalent to 6 /8s, 101 /16s and 63 /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 9496 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4220 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3605 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3325 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3214 492 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2190 442 203 TATACOMM-AS TATA Communications formerl 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 9119 10999 3338 AMAZON-02, US 11492 4538 301 673 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3547 1320 67 SHAW, CA 22773 3521 3056 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3078 3851 1436 DNIC-ASBLK-00306-00371, US 16625 3031 1397 2306 AKAMAI-AS, US 396982 2704 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2543 23614 1594 ATT-INTERNET4, 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 7404 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3397 147 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3109 277 1523 M247, RO 12389 2891 2295 910 ROSTELECOM-AS, RU 34984 2332 362 592 TELLCOM-AS, TR 58224 1684 916 545 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 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 11894 3373 611 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2419 333 628 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1110 369 22 Telefonica del Peru S.A.A., PE 11664 1057 168 427 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1605 393 19 LINKdotNET-AS, EG 24835 1515 509 26 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 818 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 24757 479 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 11894 3373 611 UNINET, MX 9808 9496 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9119 10999 3338 AMAZON-02, US 12479 7404 1713 145 UNI2-AS, ES 7545 5713 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 673 CABLEONE, US 18403 4220 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4083 3397 147 AKAMAI-ASN1, NL 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 9496 9456 CHINAMOBILE-CN China Mobile Communications Grou 12479 7404 7259 UNI2-AS, ES 16509 9119 5781 AMAZON-02, US 7545 5713 5019 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4220 4195 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4083 3936 AKAMAI-ASN1, NL 11492 4538 3865 CABLEONE, US 7552 3605 3585 VIETEL-AS-AP Viettel Group, VN 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 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 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 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 23.140.216.0/24 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 23.164.56.0/24 Origin: 216360 CIVILIZED-RIPE, US 23.164.56.0/24 Transit: 32097 WII, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:37 /11:100 /12:299 /13:578 /14:1192 /15:2089 /16:13431 /17:8229 /18:13692 /19:24794 /20:43242 /21:51140 /22:109772 /23:98702 /24:558845 /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 6492 7404 UNI2-AS, ES 8151 5922 11894 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3356 3547 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2927 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2580 3521 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2116 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) ---------------------------------------------- 1:2208 2:1432 3:270 4:5 5:4390 6:153 7:6 8:1497 9:1 11:172 12:1503 13:352 14:2303 15:306 16:195 17:362 18:661 20:308 21:4 22:188 23:6467 24:2523 25:2 27:2581 29:19 31:2549 32:70 34:27 35:114 36:2007 37:4488 38:5436 39:866 40:143 41:4001 42:2039 43:2270 44:324 45:16670 46:4316 47:371 49:1863 50:1880 51:577 52:1579 54:395 55:960 56:5 57:127 58:1802 59:1113 60:1006 61:2545 62:2689 63:1905 64:5643 65:2354 66:4962 67:3049 68:1343 69:4119 70:1185 71:639 72:2940 74:2622 75:1565 76:629 77:2308 78:1830 79:3009 80:2115 81:1831 82:1518 83:1305 84:1559 85:3044 86:767 87:2003 88:1206 89:3946 90:623 91:7850 92:2070 93:2630 94:3567 95:3999 96:1302 97:316 98:1081 99:736 100:92 101:1304 102:2939 103:32210 104:4784 105:561 106:914 107:2722 108:1132 109:4246 110:2137 111:3125 112:2054 113:1750 114:1694 115:1994 116:1894 117:2545 118:2702 119:1957 120:1783 121:1162 122:2601 123:2174 124:1574 125:2579 128:1404 129:911 130:1038 131:1976 132:859 133:408 134:1768 135:299 136:906 137:981 138:2675 139:1578 140:1313 141:1332 142:1505 143:1521 144:998 145:348 146:1960 147:1611 148:2474 149:2339 150:880 151:1237 152:1954 153:523 154:5142 155:1400 156:2002 157:1345 158:1060 159:2188 160:2639 161:1595 162:3514 163:1614 164:1689 165:1861 166:1061 167:1746 168:3847 169:791 170:4609 171:953 172:3802 173:2989 174:978 175:1187 176:3609 177:4518 178:3539 179:2149 180:2497 181:3561 182:3381 183:1989 184:2268 185:20615 186:4739 187:4192 188:4089 189:3901 190:9314 191:1390 192:10938 193:8955 194:7308 195:5213 196:3214 197:2510 198:5922 199:6319 200:7974 201:6208 202:10196 203:9981 204:4533 205:3693 206:4329 207:3400 208:4099 209:4900 210:4207 211:2447 212:4269 213:3394 214:1114 215:71 216:6701 217:2766 218:1271 219:407 220:1802 221:988 222:670 223:2146 End of report