IPv4 R&E Routing Table Report 23:05 GMT Sat 24 Jun, 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: 919637 Prefixes after maximum aggregation (per Origin AS): 349585 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450991 Number of IPv4 prefixes with a valid ROA: 408587 Number of IPv4 prefixes with an invalid ROA: 1756 Number of IPv4 prefixes with no ROA: 509294 Total ASes present in the Internet Routing Table: 74405 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63910 Origin ASes announcing only one prefix: 26276 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1018 Number of instances of unregistered ASNs: 1025 Number of 32-bit ASNs allocated by the RIRs: 42149 Number of 32-bit ASNs visible in the Routing Table: 34704 Prefixes from 32-bit ASNs in the Routing Table: 172278 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 564 Number of addresses announced to Internet: 3054768128 Equivalent to 182 /8s, 20 /16s and 16 /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: 99.6 Total number of prefixes smaller than registry allocations: 308000 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240398 Total APNIC prefixes after maximum aggregation: 68814 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234437 Unique aggregates announced from the APNIC address blocks: 98537 APNIC Region origin ASes present in the Internet Routing Table: 13396 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3948 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8778 Number of APNIC addresses announced to Internet: 773269760 Equivalent to 46 /8s, 23 /16s and 41 /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: 269923 Total ARIN prefixes after maximum aggregation: 123060 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272486 Unique aggregates announced from the ARIN address blocks: 130690 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1279313920 Equivalent to 76 /8s, 64 /16s and 200 /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: 260082 Total RIPE prefixes after maximum aggregation: 122762 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256203 Unique aggregates announced from the RIPE address blocks: 159339 RIPE Region origin ASes present in the Internet Routing Table: 28343 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3967 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: 11217 Number of RIPE addresses announced to Internet: 717486848 Equivalent to 42 /8s, 195 /16s and 251 /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: 118526 Total LACNIC prefixes after maximum aggregation: 28384 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117641 Unique aggregates announced from the LACNIC address blocks: 49540 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2311 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8802 Number of LACNIC addresses announced to Internet: 176926720 Equivalent to 10 /8s, 139 /16s and 176 /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: 29690 Total AfriNIC prefixes after maximum aggregation: 5841 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38306 Unique aggregates announced from the AfriNIC address blocks: 12422 AfriNIC Region origin ASes present in the Internet Routing Table: 1750 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 612 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1103 Number of AfriNIC addresses announced to Internet: 107442176 Equivalent to 6 /8s, 103 /16s and 112 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3042 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2433 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 198 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 8612 10882 3164 AMAZON-02, US 11492 4521 300 606 CABLEONE, US 7155 4153 288 86 VIASAT-SP-BACKBONE, US 22773 3543 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3128 1558 2352 AKAMAI-AS, US 749 3125 54969 2377 DNIC-AS-00749, US 396982 2666 3594 378 GOOGLE-CLOUD-PLATFORM, US 30036 2511 362 395 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2452 24006 1556 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 7308 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4095 3398 161 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2906 2291 910 ROSTELECOM-AS, RU 9009 2663 247 1383 M247, RO 34984 2303 361 607 TELLCOM-AS, TR 6849 1923 307 17 UKRTELNET, UA 58224 1829 946 537 TCI, IR 61317 1642 110 1275 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 11464 3358 596 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2372 354 630 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1305 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1581 393 19 LINKdotNET-AS, EG 24835 1535 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 476 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 11464 3358 596 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8612 10882 3164 AMAZON-02, US 12479 7308 1706 141 UNI2-AS, ES 7545 5675 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 606 CABLEONE, US 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4153 288 86 VIASAT-SP-BACKBONE, US 20940 4095 3398 161 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8612 5448 AMAZON-02, US 7545 5675 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4222 4197 FPT-AS-AP FPT Telecom Company, VN 7155 4153 4067 VIASAT-SP-BACKBONE, US 20940 4095 3934 AKAMAI-ASN1, NL 11492 4521 3915 CABLEONE, US 7552 3680 3659 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.156.104.0/24 Origin: 212618 PLACTRIX-TECHNOLOGIES, US 23.156.104.0/24 Transit: 53356 FREE RANGE CLOUD, CA 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 /12:300 /13:578 /14:1199 /15:2100 /16:13417 /17:8170 /18:13720 /19:24865 /20:42947 /21:51066 /22:109422 /23:98059 /24:553614 /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 6396 7308 UNI2-AS, ES 8151 5386 11464 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3430 4521 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3111 4153 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2614 3543 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2168 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2167 2:1316 3:219 4:5 5:4526 6:130 7:6 8:1505 9:1 11:172 12:1518 13:387 14:2302 15:302 16:190 17:371 18:473 20:261 21:4 22:188 23:6320 24:2590 25:6 27:2526 29:19 31:2510 32:78 34:22 35:111 36:1982 37:4666 38:4918 39:845 40:151 41:3935 42:2003 43:2307 44:307 45:16545 46:4295 47:376 49:1747 50:1865 51:585 52:1595 54:394 55:976 56:8 57:120 58:1818 59:1110 60:981 61:2549 62:2669 63:1907 64:5609 65:2312 66:4992 67:3058 68:1353 69:4127 70:1213 71:675 72:2989 74:2618 75:1565 76:614 77:2445 78:1812 79:2989 80:2116 81:1795 82:1493 83:1260 84:1517 85:3005 86:746 87:2013 88:1177 89:3752 90:616 91:7763 92:2045 93:2604 94:3610 95:4038 96:1314 97:336 98:1134 99:738 100:93 101:1312 102:2794 103:31588 104:4615 105:503 106:959 107:2576 108:1047 109:4191 110:2097 111:3116 112:2049 113:1727 114:1619 115:1981 116:1891 117:2560 118:2605 119:1974 120:1800 121:1076 122:2603 123:2130 124:1573 125:2476 128:1400 129:1045 130:1006 131:1964 132:844 133:422 134:1794 135:308 136:891 137:946 138:2565 139:1553 140:1258 141:1446 142:1442 143:1501 144:1121 145:340 146:1950 147:1580 148:2394 149:2205 150:874 151:1156 152:1949 153:491 154:4585 155:1410 156:1813 157:1313 158:1082 159:2268 160:2565 161:1553 162:3507 163:1541 164:1613 165:1847 166:1087 167:1717 168:3834 169:945 170:4572 171:900 172:3607 173:2962 174:1075 175:1177 176:3744 177:4573 178:3615 179:2141 180:2471 181:3479 182:3399 183:2068 184:2356 185:20383 186:4824 187:4013 188:4103 189:3689 190:9245 191:1438 192:10888 193:8917 194:7324 195:5146 196:3205 197:2391 198:5904 199:6083 200:7853 201:5939 202:10315 203:10255 204:4542 205:3703 206:4262 207:3381 208:4113 209:4888 210:4173 211:2439 212:4230 213:3606 214:1089 215:59 216:6667 217:2749 218:1275 219:412 220:1754 221:962 222:682 223:2172 End of report