IPv4 R&E Routing Table Report 23:05 GMT Wed 23 Aug, 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: 921770 Prefixes after maximum aggregation (per Origin AS): 350988 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452557 Number of IPv4 prefixes with a valid ROA: 418376 Number of IPv4 prefixes with an invalid ROA: 1538 Number of IPv4 prefixes with no ROA: 501856 Total ASes present in the Internet Routing Table: 74578 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64149 Origin ASes announcing only one prefix: 26352 Transit ASes present in the Internet Routing Table: 10429 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1007 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 42484 Number of 32-bit ASNs visible in the Routing Table: 34943 Prefixes from 32-bit ASNs in the Routing Table: 173810 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 550 Number of addresses announced to Internet: 3055395328 Equivalent to 182 /8s, 29 /16s and 162 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308123 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241157 Total APNIC prefixes after maximum aggregation: 69733 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234878 Unique aggregates announced from the APNIC address blocks: 98818 APNIC Region origin ASes present in the Internet Routing Table: 13511 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4007 APNIC Region transit ASes present in the Internet Routing Table: 1797 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8896 Number of APNIC addresses announced to Internet: 772795136 Equivalent to 46 /8s, 15 /16s and 235 /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: 270602 Total ARIN prefixes after maximum aggregation: 123569 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272662 Unique aggregates announced from the ARIN address blocks: 130824 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4812 Number of ARIN addresses announced to Internet: 1279475968 Equivalent to 76 /8s, 67 /16s and 65 /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: 260586 Total RIPE prefixes after maximum aggregation: 122603 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 257349 Unique aggregates announced from the RIPE address blocks: 160035 RIPE Region origin ASes present in the Internet Routing Table: 28397 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3910 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11293 Number of RIPE addresses announced to Internet: 716340736 Equivalent to 42 /8s, 178 /16s and 126 /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: 118326 Total LACNIC prefixes after maximum aggregation: 28452 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117371 Unique aggregates announced from the LACNIC address blocks: 49670 LACNIC Region origin ASes present in the Internet Routing Table: 11013 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2322 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8826 Number of LACNIC addresses announced to Internet: 178573824 Equivalent to 10 /8s, 164 /16s and 210 /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: 30092 Total AfriNIC prefixes after maximum aggregation: 5934 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38960 Unique aggregates announced from the AfriNIC address blocks: 12746 AfriNIC Region origin ASes present in the Internet Routing Table: 1769 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 607 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1116 Number of AfriNIC addresses announced to Internet: 107744768 Equivalent to 6 /8s, 108 /16s and 14 /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 9520 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5700 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3728 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3351 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3104 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2488 847 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 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 8793 10940 3236 AMAZON-02, US 11492 4521 300 640 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3540 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3079 1498 2318 AKAMAI-AS, US 367 2983 3829 1405 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2500 358 379 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 7345 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4081 3398 154 AKAMAI-ASN1, NL 8551 3461 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2296 914 ROSTELECOM-AS, RU 9009 2688 248 1393 M247, RO 34984 2329 362 595 TELLCOM-AS, TR 58224 1767 932 544 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1523 102 1188 ASDETUK www.heficed.com, US 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 11649 3358 610 UNINET, MX 10620 3532 506 851 Telmex Colombia S.A., CO 13999 2441 365 642 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1289 757 188 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1113 370 22 Telefonica del Peru S.A.A., PE 11664 1111 181 435 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1594 393 19 LINKdotNET-AS, EG 24835 1503 533 27 RAYA-AS, EG 36992 1356 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 24757 465 73 5 EthioNet-AS, ET 37342 456 32 1 MOVITEL, MZ 15399 440 54 48 WANANCHI-, 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 11649 3358 610 UNINET, MX 9808 9520 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8793 10940 3236 AMAZON-02, US 12479 7345 1713 145 UNI2-AS, ES 7545 5700 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 640 CABLEONE, US 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4081 3398 154 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 9520 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7345 7200 UNI2-AS, ES 16509 8793 5557 AMAZON-02, US 7545 5700 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4081 3927 AKAMAI-ASN1, NL 11492 4521 3881 CABLEONE, US 7552 3728 3707 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 3356 LEVEL3, 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 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 /11:102 /12:298 /13:576 /14:1194 /15:2100 /16:13470 /17:8195 /18:13755 /19:24838 /20:43418 /21:51055 /22:109435 /23:98608 /24:554649 /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 6431 7345 UNI2-AS, ES 8151 5679 11649 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4521 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2585 3540 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2096 3532 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) ---------------------------------------------- 1:2228 2:1375 3:224 4:5 5:4554 6:137 7:6 8:1514 9:1 11:172 12:1506 13:366 14:2303 15:302 16:193 17:372 18:603 20:280 21:4 22:188 23:6372 24:2479 25:6 27:2548 29:19 31:2526 32:78 34:26 35:114 36:1990 37:4622 38:5135 39:864 40:147 41:3973 42:2087 43:2279 44:321 45:16517 46:4251 47:384 49:1792 50:1856 51:595 52:1595 54:391 55:972 56:8 57:121 58:1789 59:1115 60:995 61:2509 62:2690 63:1920 64:5561 65:2335 66:4896 67:3015 68:1316 69:4085 70:1180 71:656 72:2954 74:2611 75:1566 76:614 77:2439 78:1832 79:2988 80:2127 81:1810 82:1457 83:1277 84:1522 85:2971 86:757 87:1982 88:1173 89:3848 90:617 91:7807 92:2067 93:2602 94:3530 95:4014 96:1293 97:317 98:1081 99:734 100:90 101:1316 102:2940 103:31977 104:4570 105:552 106:881 107:2586 108:1122 109:4248 110:2114 111:3132 112:2067 113:1746 114:1649 115:1996 116:1910 117:2537 118:2693 119:1979 120:1786 121:1087 122:2578 123:2138 124:1577 125:2490 128:1415 129:1033 130:1022 131:1946 132:851 133:420 134:1788 135:306 136:910 137:971 138:2641 139:1561 140:1250 141:1294 142:1471 143:1497 144:998 145:340 146:1956 147:1607 148:2425 149:2129 150:869 151:1215 152:1973 153:517 154:4769 155:1382 156:1923 157:1321 158:1084 159:2230 160:2613 161:1587 162:3516 163:1588 164:1700 165:1842 166:993 167:1726 168:3822 169:909 170:4605 171:897 172:3661 173:2972 174:987 175:1182 176:3775 177:4485 178:3544 179:2151 180:2443 181:3487 182:3416 183:2003 184:2286 185:20504 186:4757 187:4123 188:4137 189:3785 190:9263 191:1378 192:10891 193:8917 194:7304 195:5186 196:3195 197:2454 198:5929 199:6063 200:7866 201:6047 202:10231 203:10003 204:4531 205:3657 206:4257 207:3385 208:4091 209:4876 210:4183 211:2441 212:4248 213:3580 214:1095 215:59 216:6647 217:2779 218:1266 219:411 220:1800 221:975 222:665 223:2152 End of report