IPv4 R&E Routing Table Report 23:05 GMT Fri 23 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: 919576 Prefixes after maximum aggregation (per Origin AS): 349541 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450975 Number of IPv4 prefixes with a valid ROA: 408580 Number of IPv4 prefixes with an invalid ROA: 1732 Number of IPv4 prefixes with no ROA: 509264 Total ASes present in the Internet Routing Table: 74409 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63909 Origin ASes announcing only one prefix: 26284 Transit ASes present in the Internet Routing Table: 10500 Transit-only ASes present in the Internet Routing Table: 442 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: 42140 Number of 32-bit ASNs visible in the Routing Table: 34702 Prefixes from 32-bit ASNs in the Routing Table: 172218 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: 563 Number of addresses announced to Internet: 3054672640 Equivalent to 182 /8s, 18 /16s and 155 /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: 307986 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240394 Total APNIC prefixes after maximum aggregation: 68827 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234440 Unique aggregates announced from the APNIC address blocks: 98537 APNIC Region origin ASes present in the Internet Routing Table: 13393 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3951 APNIC Region transit ASes present in the Internet Routing Table: 1792 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: 8775 Number of APNIC addresses announced to Internet: 773268736 Equivalent to 46 /8s, 23 /16s and 37 /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: 269883 Total ARIN prefixes after maximum aggregation: 122985 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272448 Unique aggregates announced from the ARIN address blocks: 130667 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 7002 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4806 Number of ARIN addresses announced to Internet: 1279213824 Equivalent to 76 /8s, 63 /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: 260092 Total RIPE prefixes after maximum aggregation: 122773 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256199 Unique aggregates announced from the RIPE address blocks: 159331 RIPE Region origin ASes present in the Internet Routing Table: 28340 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 3973 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: 11213 Number of RIPE addresses announced to Internet: 717495808 Equivalent to 42 /8s, 196 /16s and 30 /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: 118511 Total LACNIC prefixes after maximum aggregation: 28388 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117631 Unique aggregates announced from the LACNIC address blocks: 49560 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2309 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: 8804 Number of LACNIC addresses announced to Internet: 176947968 Equivalent to 10 /8s, 140 /16s and 3 /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: 29678 Total AfriNIC prefixes after maximum aggregation: 5844 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38295 Unique aggregates announced from the AfriNIC address blocks: 12418 AfriNIC Region origin ASes present in the Internet Routing Table: 1752 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 613 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: 1104 Number of AfriNIC addresses announced to Internet: 107418624 Equivalent to 6 /8s, 103 /16s and 20 /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 5676 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4222 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3679 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3041 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 8586 10878 3171 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 2665 3594 377 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 7305 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 1382 M247, RO 34984 2296 360 604 TELLCOM-AS, TR 6849 1925 307 17 UKRTELNET, UA 58224 1828 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 595 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 1105 181 440 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 1536 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1039 67 47 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 478 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 595 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8586 10878 3171 AMAZON-02, US 12479 7305 1706 141 UNI2-AS, ES 7545 5676 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 7305 7164 UNI2-AS, ES 16509 8586 5415 AMAZON-02, US 7545 5676 4982 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 3679 3658 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /15:2101 /16:13416 /17:8170 /18:13721 /19:24865 /20:42939 /21:51068 /22:109409 /23:98046 /24:553584 /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 6393 7305 UNI2-AS, ES 8151 5385 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 2:1317 3:218 4:5 5:4529 6:130 7:6 8:1500 9:1 11:172 12:1521 13:384 14:2301 15:302 16:190 17:371 18:472 20:262 21:4 22:188 23:6315 24:2594 25:6 27:2525 29:19 31:2511 32:78 34:22 35:111 36:1982 37:4670 38:4917 39:845 40:151 41:3940 42:2003 43:2308 44:307 45:16534 46:4290 47:376 49:1747 50:1866 51:585 52:1594 54:393 55:976 56:8 57:120 58:1818 59:1110 60:981 61:2549 62:2666 63:1906 64:5607 65:2312 66:4994 67:3059 68:1336 69:4128 70:1213 71:675 72:2978 74:2616 75:1565 76:614 77:2448 78:1812 79:2995 80:2115 81:1794 82:1493 83:1261 84:1515 85:3004 86:746 87:2012 88:1178 89:3744 90:616 91:7762 92:2047 93:2609 94:3610 95:4038 96:1314 97:336 98:1134 99:737 100:93 101:1312 102:2797 103:31587 104:4616 105:487 106:958 107:2577 108:1049 109:4193 110:2099 111:3119 112:2048 113:1727 114:1618 115:1981 116:1898 117:2560 118:2606 119:1977 120:1800 121:1076 122:2606 123:2130 124:1573 125:2475 128:1403 129:1044 130:1005 131:1962 132:843 133:422 134:1794 135:308 136:889 137:947 138:2570 139:1548 140:1259 141:1454 142:1441 143:1495 144:1122 145:340 146:1941 147:1580 148:2398 149:2209 150:879 151:1156 152:1949 153:491 154:4592 155:1413 156:1813 157:1309 158:1082 159:2268 160:2566 161:1552 162:3509 163:1540 164:1613 165:1849 166:1086 167:1715 168:3826 169:946 170:4582 171:899 172:3609 173:2961 174:1075 175:1177 176:3744 177:4563 178:3613 179:2141 180:2472 181:3483 182:3399 183:2073 184:2345 185:20384 186:4846 187:4013 188:4104 189:3702 190:9242 191:1425 192:10887 193:8913 194:7322 195:5148 196:3204 197:2388 198:5907 199:6083 200:7851 201:5939 202:10310 203:10256 204:4545 205:3688 206:4257 207:3383 208:4120 209:4889 210:4171 211:2436 212:4231 213:3615 214:1088 215:59 216:6674 217:2742 218:1275 219:412 220:1753 221:962 222:682 223:2172 End of report