IPv4 R&E Routing Table Report 23:05 GMT Thu 27 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: 920949 Prefixes after maximum aggregation (per Origin AS): 350161 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452272 Number of IPv4 prefixes with a valid ROA: 414429 Number of IPv4 prefixes with an invalid ROA: 1559 Number of IPv4 prefixes with no ROA: 504961 Total ASes present in the Internet Routing Table: 74465 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 63975 Origin ASes announcing only one prefix: 26275 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 456 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: 1106 Number of instances of unregistered ASNs: 1108 Number of 32-bit ASNs allocated by the RIRs: 42326 Number of 32-bit ASNs visible in the Routing Table: 34812 Prefixes from 32-bit ASNs in the Routing Table: 173269 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3052645888 Equivalent to 181 /8s, 243 /16s and 174 /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: 308027 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240568 Total APNIC prefixes after maximum aggregation: 69308 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234368 Unique aggregates announced from the APNIC address blocks: 98721 APNIC Region origin ASes present in the Internet Routing Table: 13461 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3984 APNIC Region transit ASes present in the Internet Routing Table: 1794 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: 8841 Number of APNIC addresses announced to Internet: 772979968 Equivalent to 46 /8s, 18 /16s and 189 /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: 270552 Total ARIN prefixes after maximum aggregation: 123248 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272669 Unique aggregates announced from the ARIN address blocks: 130745 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 1276600320 Equivalent to 76 /8s, 23 /16s and 96 /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: 260389 Total RIPE prefixes after maximum aggregation: 122556 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257052 Unique aggregates announced from the RIPE address blocks: 159809 RIPE Region origin ASes present in the Internet Routing Table: 28325 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12027 RIPE Region transit ASes present in the Internet Routing Table: 3950 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: 11247 Number of RIPE addresses announced to Internet: 716731904 Equivalent to 42 /8s, 184 /16s and 118 /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: 118402 Total LACNIC prefixes after maximum aggregation: 28392 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117531 Unique aggregates announced from the LACNIC address blocks: 49705 LACNIC Region origin ASes present in the Internet Routing Table: 10994 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2323 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: 8806 Number of LACNIC addresses announced to Internet: 178519552 Equivalent to 10 /8s, 163 /16s and 254 /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: 29932 Total AfriNIC prefixes after maximum aggregation: 5916 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38730 Unique aggregates announced from the AfriNIC address blocks: 12803 AfriNIC Region origin ASes present in the Internet Routing Table: 1770 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 618 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: 1117 Number of AfriNIC addresses announced to Internet: 107472896 Equivalent to 6 /8s, 103 /16s and 232 /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 9508 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3704 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3586 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3366 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3049 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2462 835 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2301 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 8792 10933 3174 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3536 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3132 1553 2352 AKAMAI-AS, US 367 2964 3837 1394 DNIC-ASBLK-00306-00371, US 396982 2678 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2507 360 380 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 7309 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 157 AKAMAI-ASN1, NL 8551 3454 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2674 247 1395 M247, RO 34984 2313 361 605 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 6849 1774 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 11629 3374 602 UNINET, MX 10620 3531 507 835 Telmex Colombia S.A., CO 13999 2420 362 635 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1298 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1111 181 435 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1355 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1050 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 540 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 485 73 5 EthioNet-AS, ET 15399 447 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 11629 3374 602 UNINET, MX 9808 9508 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8792 10933 3174 AMAZON-02, US 12479 7309 1706 141 UNI2-AS, ES 7545 5679 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4065 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 9508 9471 CHINAMOBILE-CN China Mobile Communications Grou 12479 7309 7168 UNI2-AS, ES 16509 8792 5618 AMAZON-02, US 7545 5679 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4065 3908 AKAMAI-ASN1, NL 11492 4525 3905 CABLEONE, US 7552 3704 3683 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 /12:297 /13:576 /14:1196 /15:2102 /16:13436 /17:8197 /18:13741 /19:24857 /20:43287 /21:51081 /22:109471 /23:98427 /24:554102 /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 6399 7309 UNI2-AS, ES 8151 5584 11629 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2923 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2090 3531 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) ---------------------------------------------- 1:2188 2:1345 3:245 4:5 5:4501 6:131 7:6 8:1514 9:1 11:172 12:1522 13:373 14:2299 15:302 16:194 17:372 18:539 20:271 21:4 22:188 23:6349 24:2467 25:4 27:2542 29:19 31:2537 32:78 34:26 35:112 36:1979 37:4689 38:5080 39:831 40:152 41:3880 42:2023 43:2303 44:303 45:16636 46:4347 47:381 49:1775 50:1848 51:584 52:1591 54:392 55:957 56:8 57:120 58:1819 59:1100 60:989 61:2512 62:2664 63:1919 64:5563 65:2288 66:4903 67:3042 68:1324 69:4081 70:1205 71:679 72:2976 74:2625 75:1581 76:615 77:2441 78:1830 79:2970 80:2121 81:1801 82:1488 83:1264 84:1525 85:2972 86:768 87:2013 88:1176 89:3830 90:620 91:7798 92:2062 93:2599 94:3575 95:4038 96:1294 97:329 98:1149 99:735 100:95 101:1314 102:2876 103:31776 104:4563 105:568 106:941 107:2539 108:1092 109:4236 110:2105 111:3130 112:2055 113:1742 114:1636 115:1978 116:1894 117:2563 118:2678 119:1978 120:1788 121:1078 122:2563 123:2135 124:1575 125:2482 128:1393 129:1034 130:1013 131:1968 132:846 133:422 134:1785 135:306 136:877 137:961 138:2621 139:1565 140:1251 141:1306 142:1459 143:1491 144:984 145:342 146:1948 147:1590 148:2405 149:2166 150:873 151:1169 152:1957 153:506 154:4687 155:1375 156:1876 157:1321 158:1099 159:2224 160:2596 161:1560 162:3503 163:1550 164:1715 165:1864 166:1023 167:1733 168:3851 169:927 170:4603 171:892 172:3634 173:2976 174:1042 175:1177 176:3732 177:4484 178:3614 179:2156 180:2474 181:3481 182:3402 183:1993 184:2294 185:20491 186:4738 187:4109 188:4100 189:3717 190:9208 191:1387 192:10915 193:8928 194:7302 195:5148 196:3208 197:2460 198:5930 199:6088 200:7942 201:5937 202:10281 203:10065 204:4547 205:3653 206:4288 207:3378 208:4110 209:4894 210:4187 211:2444 212:4267 213:3587 214:1097 215:60 216:6656 217:2762 218:1261 219:414 220:1797 221:960 222:682 223:2160 End of report