IPv4 R&E Routing Table Report 23:05 GMT Fri 04 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: 920702 Prefixes after maximum aggregation (per Origin AS): 350324 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452347 Number of IPv4 prefixes with a valid ROA: 415356 Number of IPv4 prefixes with an invalid ROA: 1540 Number of IPv4 prefixes with no ROA: 503806 Total ASes present in the Internet Routing Table: 74489 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64006 Origin ASes announcing only one prefix: 26276 Transit ASes present in the Internet Routing Table: 10483 Transit-only ASes present in the Internet Routing Table: 455 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1062 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 42372 Number of 32-bit ASNs visible in the Routing Table: 34841 Prefixes from 32-bit ASNs in the Routing Table: 173311 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 577 Number of addresses announced to Internet: 3052452864 Equivalent to 181 /8s, 240 /16s and 188 /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: 308213 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240520 Total APNIC prefixes after maximum aggregation: 69384 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234303 Unique aggregates announced from the APNIC address blocks: 98692 APNIC Region origin ASes present in the Internet Routing Table: 13462 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3973 APNIC Region transit ASes present in the Internet Routing Table: 1772 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8837 Number of APNIC addresses announced to Internet: 772881152 Equivalent to 46 /8s, 17 /16s and 59 /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: 270650 Total ARIN prefixes after maximum aggregation: 123440 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272735 Unique aggregates announced from the ARIN address blocks: 130848 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4803 Number of ARIN addresses announced to Internet: 1276615680 Equivalent to 76 /8s, 23 /16s and 156 /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: 260101 Total RIPE prefixes after maximum aggregation: 122470 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256875 Unique aggregates announced from the RIPE address blocks: 159873 RIPE Region origin ASes present in the Internet Routing Table: 28364 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 3956 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: 11276 Number of RIPE addresses announced to Internet: 716444928 Equivalent to 42 /8s, 180 /16s and 21 /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: 118531 Total LACNIC prefixes after maximum aggregation: 28395 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117628 Unique aggregates announced from the LACNIC address blocks: 49737 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2337 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178503424 Equivalent to 10 /8s, 163 /16s and 191 /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: 29838 Total AfriNIC prefixes after maximum aggregation: 5910 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38584 Unique aggregates announced from the AfriNIC address blocks: 12714 AfriNIC Region origin ASes present in the Internet Routing Table: 1770 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1116 Number of AfriNIC addresses announced to Internet: 107613952 Equivalent to 6 /8s, 106 /16s and 15 /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 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5688 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3711 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3352 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3058 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2472 839 427 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 200 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 8870 10944 3166 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3552 3053 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3063 1503 2311 AKAMAI-AS, US 367 2948 3821 1384 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2509 359 376 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 7323 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4068 3398 157 AKAMAI-ASN1, NL 8551 3451 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2660 246 1388 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1815 944 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 6849 1604 307 17 UKRTELNET, 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 11613 3372 608 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2422 362 639 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 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 498 32 1 MOVITEL, MZ 15399 457 54 47 WANANCHI-, KE 36947 367 1063 16 ALGTEL-AS, DZ 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 11613 3372 608 UNINET, MX 9808 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8870 10944 3166 AMAZON-02, US 12479 7323 1707 142 UNI2-AS, ES 7545 5688 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4068 3398 157 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 9518 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7323 7181 UNI2-AS, ES 16509 8870 5704 AMAZON-02, US 7545 5688 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4068 3911 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3711 3690 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 /13:572 /14:1195 /15:2100 /16:13434 /17:8182 /18:13730 /19:24819 /20:43225 /21:51039 /22:109378 /23:98372 /24:554181 /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 6412 7323 UNI2-AS, ES 8151 5611 11613 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2920 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3552 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 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) ---------------------------------------------- 1:2183 2:1337 3:248 4:5 5:4500 6:134 7:6 8:1516 9:1 11:172 12:1521 13:384 14:2297 15:302 16:193 17:374 18:596 20:273 21:4 22:188 23:6359 24:2482 25:6 27:2526 29:19 31:2524 32:78 34:26 35:111 36:1985 37:4669 38:5127 39:835 40:147 41:3944 42:2020 43:2304 44:312 45:16586 46:4305 47:384 49:1774 50:1854 51:585 52:1594 54:391 55:950 56:8 57:121 58:1821 59:1118 60:992 61:2492 62:2680 63:1921 64:5566 65:2292 66:4911 67:3047 68:1317 69:4084 70:1204 71:680 72:2977 74:2615 75:1579 76:615 77:2450 78:1829 79:2972 80:2120 81:1805 82:1493 83:1279 84:1520 85:2961 86:764 87:2000 88:1173 89:3853 90:616 91:7809 92:2056 93:2579 94:3572 95:4030 96:1296 97:318 98:1147 99:735 100:95 101:1314 102:2868 103:31860 104:4576 105:566 106:878 107:2549 108:1095 109:4254 110:2114 111:3133 112:2057 113:1737 114:1636 115:1994 116:1896 117:2577 118:2669 119:1973 120:1784 121:1081 122:2572 123:2137 124:1577 125:2480 128:1394 129:1040 130:1017 131:1951 132:842 133:422 134:1787 135:306 136:897 137:960 138:2618 139:1568 140:1238 141:1294 142:1463 143:1488 144:992 145:342 146:1944 147:1605 148:2404 149:2179 150:879 151:1167 152:1960 153:510 154:4678 155:1377 156:1864 157:1322 158:1078 159:2221 160:2601 161:1566 162:3512 163:1566 164:1709 165:1864 166:985 167:1730 168:3855 169:927 170:4595 171:895 172:3631 173:2980 174:1048 175:1175 176:3739 177:4556 178:3604 179:2163 180:2441 181:3490 182:3404 183:1994 184:2298 185:20493 186:4759 187:4115 188:4117 189:3775 190:9202 191:1391 192:10912 193:8929 194:7284 195:5160 196:3137 197:2443 198:5914 199:6083 200:7940 201:5981 202:10243 203:10028 204:4545 205:3631 206:4249 207:3376 208:4132 209:4896 210:4159 211:2438 212:4240 213:3577 214:1089 215:60 216:6705 217:2765 218:1264 219:414 220:1792 221:966 222:662 223:2160 End of report