IPv4 R&E Routing Table Report 23:05 GMT Sat 22 Jul, 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: 920109 Prefixes after maximum aggregation (per Origin AS): 350134 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452326 Number of IPv4 prefixes with a valid ROA: 413402 Number of IPv4 prefixes with an invalid ROA: 1541 Number of IPv4 prefixes with no ROA: 505166 Total ASes present in the Internet Routing Table: 74426 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63934 Origin ASes announcing only one prefix: 26283 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 452 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1128 Number of instances of unregistered ASNs: 1130 Number of 32-bit ASNs allocated by the RIRs: 42285 Number of 32-bit ASNs visible in the Routing Table: 34770 Prefixes from 32-bit ASNs in the Routing Table: 173152 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 623 Number of addresses announced to Internet: 3052195072 Equivalent to 181 /8s, 236 /16s and 205 /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: 307970 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240114 Total APNIC prefixes after maximum aggregation: 69095 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233885 Unique aggregates announced from the APNIC address blocks: 98473 APNIC Region origin ASes present in the Internet Routing Table: 13409 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3978 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8797 Number of APNIC addresses announced to Internet: 772916224 Equivalent to 46 /8s, 17 /16s and 196 /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: 270490 Total ARIN prefixes after maximum aggregation: 123267 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272728 Unique aggregates announced from the ARIN address blocks: 130774 ARIN Region origin ASes present in the Internet Routing Table: 19054 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4801 Number of ARIN addresses announced to Internet: 1276557568 Equivalent to 76 /8s, 22 /16s and 185 /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: 260232 Total RIPE prefixes after maximum aggregation: 122612 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256838 Unique aggregates announced from the RIPE address blocks: 160015 RIPE Region origin ASes present in the Internet Routing Table: 28351 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3958 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: 11253 Number of RIPE addresses announced to Internet: 716869120 Equivalent to 42 /8s, 186 /16s and 142 /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: 118432 Total LACNIC prefixes after maximum aggregation: 28515 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117547 Unique aggregates announced from the LACNIC address blocks: 49845 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178192640 Equivalent to 10 /8s, 159 /16s and 1 /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: 29713 Total AfriNIC prefixes after maximum aggregation: 5904 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38488 Unique aggregates announced from the AfriNIC address blocks: 12707 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1111 Number of AfriNIC addresses announced to Internet: 107305216 Equivalent to 6 /8s, 101 /16s and 89 /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 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3706 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2304 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 199 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 8779 10932 3134 AMAZON-02, US 11492 4523 300 618 CABLEONE, US 7155 4193 289 100 VIASAT-SP-BACKBONE, US 22773 3536 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3155 1569 2364 AKAMAI-AS, US 749 3140 54962 2392 DNIC-AS-00749, US 367 2760 3755 1320 DNIC-ASBLK-00306-00371, US 396982 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US 30036 2515 362 351 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 160 AKAMAI-ASN1, NL 8551 3460 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2293 911 ROSTELECOM-AS, RU 9009 2663 247 1382 M247, RO 34984 2313 361 608 TELLCOM-AS, TR 58224 1816 944 537 TCI, IR 6849 1794 307 17 UKRTELNET, UA 13188 1606 100 27 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 11621 3358 597 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2410 361 631 Mega Cable, S.A. de C.V., MX 11830 2052 369 64 Instituto Costarricense de Electricidad 28573 1319 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 433 Techtel LMDS Comunicaciones Interactiva 26615 1035 2500 48 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 1517 533 27 RAYA-AS, EG 36992 1296 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 505 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 448 54 47 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 11621 3358 597 UNINET, MX 9808 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8779 10932 3134 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5681 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 618 CABLEONE, US 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 289 100 VIASAT-SP-BACKBONE, US 20940 4078 3398 160 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 9516 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8779 5645 AMAZON-02, US 7545 5681 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4243 4218 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4078 3918 AKAMAI-ASN1, NL 11492 4523 3905 CABLEONE, US 7552 3706 3685 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 7015 COMCAST-7015, 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 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:102 /12:296 /13:573 /14:1196 /15:2103 /16:13423 /17:8188 /18:13703 /19:24862 /20:43312 /21:51060 /22:109472 /23:98329 /24:553413 /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 6388 7300 UNI2-AS, ES 8151 5546 11621 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2929 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2170 2515 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2178 2:1350 3:242 4:5 5:4513 6:131 7:6 8:1514 9:1 11:172 12:1522 13:377 14:2307 15:301 16:194 17:373 18:528 20:270 21:4 22:188 23:6364 24:2611 25:4 27:2529 29:19 31:2536 32:78 34:26 35:111 36:1975 37:4691 38:5023 39:830 40:152 41:3858 42:2013 43:2295 44:307 45:16652 46:4346 47:376 49:1758 50:1849 51:584 52:1593 54:397 55:977 56:8 57:120 58:1818 59:1093 60:985 61:2506 62:2654 63:1914 64:5557 65:2312 66:4906 67:3041 68:1325 69:4087 70:1204 71:678 72:2977 74:2635 75:1581 76:611 77:2438 78:1813 79:2977 80:2111 81:1798 82:1486 83:1267 84:1522 85:2970 86:764 87:1998 88:1175 89:3842 90:614 91:7791 92:2050 93:2595 94:3584 95:4041 96:1305 97:331 98:1151 99:735 100:95 101:1313 102:2867 103:31597 104:4563 105:501 106:878 107:2555 108:1074 109:4238 110:2106 111:3130 112:2055 113:1741 114:1632 115:1973 116:1894 117:2564 118:2627 119:1971 120:1788 121:1076 122:2559 123:2134 124:1570 125:2466 128:1374 129:993 130:1009 131:1968 132:843 133:422 134:1796 135:307 136:887 137:960 138:2504 139:1564 140:1254 141:1301 142:1463 143:1496 144:980 145:341 146:1944 147:1607 148:2400 149:2154 150:864 151:1165 152:1950 153:500 154:4674 155:1370 156:1867 157:1320 158:1095 159:2263 160:2589 161:1552 162:3507 163:1550 164:1655 165:1867 166:1056 167:1729 168:3848 169:935 170:4604 171:889 172:3647 173:2967 174:1043 175:1177 176:3720 177:4485 178:3614 179:2142 180:2469 181:3489 182:3401 183:1989 184:2311 185:20503 186:4766 187:4102 188:4100 189:3725 190:9232 191:1378 192:10905 193:8920 194:7306 195:5158 196:3201 197:2456 198:5928 199:6078 200:7959 201:5927 202:10257 203:10072 204:4557 205:3647 206:4287 207:3381 208:4118 209:4890 210:4186 211:2443 212:4244 213:3580 214:1084 215:60 216:6632 217:2748 218:1261 219:414 220:1770 221:960 222:682 223:2159 End of report