IPv4 R&E Routing Table Report 23:05 GMT Thu 29 Sep, 2022 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: 894694 Prefixes after maximum aggregation (per Origin AS): 340530 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440010 Number of IPv4 prefixes with a valid ROA: 353039 Number of IPv4 prefixes with an invalid ROA: 1625 Number of IPv4 prefixes with no ROA: 540030 Total ASes present in the Internet Routing Table: 73508 Prefixes per ASN: 12.17 Origin-only ASes present in the Internet Routing Table: 63158 Origin ASes announcing only one prefix: 26003 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 400 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1072 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 40277 Number of 32-bit ASNs visible in the Routing Table: 33369 Prefixes from 32-bit ASNs in the Routing Table: 160336 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 536 Number of addresses announced to Internet: 3066997504 Equivalent to 182 /8s, 206 /16s and 171 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 300448 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231569 Total APNIC prefixes after maximum aggregation: 66995 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226459 Unique aggregates announced from the APNIC address blocks: 96365 APNIC Region origin ASes present in the Internet Routing Table: 12900 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3724 APNIC Region transit ASes present in the Internet Routing Table: 1737 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8196 Number of APNIC addresses announced to Internet: 773337344 Equivalent to 46 /8s, 24 /16s and 49 /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, 131072-151865 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: 264248 Total ARIN prefixes after maximum aggregation: 120852 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265223 Unique aggregates announced from the ARIN address blocks: 128364 ARIN Region origin ASes present in the Internet Routing Table: 18983 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6945 ARIN Region transit ASes present in the Internet Routing Table: 1873 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4600 Number of ARIN addresses announced to Internet: 1291282944 Equivalent to 76 /8s, 247 /16s and 106 /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: 252897 Total RIPE prefixes after maximum aggregation: 118579 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249895 Unique aggregates announced from the RIPE address blocks: 153840 RIPE Region origin ASes present in the Internet Routing Table: 28183 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3998 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10829 Number of RIPE addresses announced to Internet: 718206208 Equivalent to 42 /8s, 206 /16s and 245 /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: 116283 Total LACNIC prefixes after maximum aggregation: 27752 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115876 Unique aggregates announced from the LACNIC address blocks: 49042 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2225 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: 8730 Number of LACNIC addresses announced to Internet: 176096256 Equivalent to 10 /8s, 127 /16s and 4 /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: 28625 Total AfriNIC prefixes after maximum aggregation: 5556 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36705 Unique aggregates announced from the AfriNIC address blocks: 11962 AfriNIC Region origin ASes present in the Internet Routing Table: 1681 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1014 Number of AfriNIC addresses announced to Internet: 107784960 Equivalent to 6 /8s, 108 /16s and 171 /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 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5923 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2456 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2232 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2229 11251 597 KIXS-AS-KR Korea Telecom, KR 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2131 425 216 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 7285 10550 2837 AMAZON-02, US 11492 4549 301 621 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3768 3062 339 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3546 1848 2543 AKAMAI-AS, US 6327 3490 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2603 368 267 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2543 3479 342 GOOGLE-CLOUD-PLATFORM, US 209 2344 4935 394 CENTURYLINK-US-LEGACY-QWEST, 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 6886 1730 144 UNI2-AS, ES 20940 4078 3393 188 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3985 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2609 252 1340 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2255 358 632 TELLCOM-AS, TR 58224 1795 935 544 TCI, IR 13188 1610 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 11018 3392 559 Uninet S.A. de C.V., MX 10620 3484 513 829 Telmex Colombia S.A., CO 11830 2303 369 64 Instituto Costarricense de Electricidad 13999 2035 332 534 Mega Cable, S.A. de C.V., MX 28573 1349 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1140 369 21 Telefonica del Peru S.A.A., PE 11664 1066 179 467 Techtel LMDS Comunicaciones Interactiva 26615 987 2466 43 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 1569 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 995 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 52 37 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 401 232 16 MauritiusTelecom, MU 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 11018 3392 559 Uninet S.A. de C.V., MX 9808 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7285 10550 2837 AMAZON-02, US 12479 6886 1730 144 UNI2-AS, ES 7545 5923 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 621 CABLEONE, US 20940 4078 3393 188 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3985 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US 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 9062 9015 CHINAMOBILE-CN China Mobile Communications Grou 12479 6886 6742 UNI2-AS, ES 7545 5923 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7285 4448 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3985 3947 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4549 3928 CABLEONE, US 20940 4078 3890 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /9:13 /10:38 /11:101 /12:297 /13:587 /14:1197 /15:2071 /16:13464 /17:8273 /18:13775 /19:24713 /20:43058 /21:50857 /22:108035 /23:95790 /24:532402 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5894 6886 UNI2-AS, ES 8151 4758 11018 Uninet S.A. de C.V., MX 11492 3472 4549 CABLEONE, US 8551 3449 3985 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3299 3490 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2796 3768 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2261 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1025 3:165 4:5 5:3924 6:116 7:6 8:1555 9:1 11:173 12:1627 13:343 14:2360 15:266 16:67 17:361 18:325 20:238 21:4 22:188 23:5959 24:2451 25:6 27:2668 29:19 31:2433 32:91 34:7 35:89 36:1891 37:4488 38:3612 39:750 40:153 41:3937 42:1156 43:2243 44:291 45:16157 46:4166 47:363 49:1721 50:1922 51:242 52:1499 54:388 55:842 56:8 57:78 58:1723 59:1109 60:988 61:2365 62:2544 63:1916 64:5607 65:2312 66:4828 67:2952 68:1198 69:4158 70:1307 71:677 72:2975 74:2629 75:1478 76:588 77:2256 78:1856 79:3137 80:2056 81:1621 82:1513 83:1211 84:1412 85:2940 86:732 87:1908 88:1171 89:3395 90:542 91:7576 92:2039 93:2541 94:3527 95:3826 96:1329 97:343 98:1034 99:737 100:76 101:1295 102:2314 103:30080 104:4532 105:472 106:887 107:2535 108:889 109:4307 110:2006 111:3277 112:2042 113:1478 114:1503 115:1982 116:1887 117:2485 118:2326 119:1824 120:1708 121:1016 122:2537 123:2099 124:1516 125:2099 128:1172 129:995 130:943 131:2023 132:813 133:378 134:1892 135:291 136:862 137:883 138:2506 139:1512 140:1044 141:1468 142:1346 143:1409 144:1193 145:347 146:1851 147:1522 148:2231 149:1820 150:878 151:1106 152:1931 153:468 154:3824 155:1433 156:1673 157:1296 158:1033 159:2194 160:2527 161:1359 162:3499 163:1405 164:1667 165:1650 166:785 167:1724 168:3794 169:867 170:4549 171:848 172:3404 173:3101 174:1016 175:1161 176:3588 177:4735 178:3562 179:2158 180:2365 181:3250 182:3197 183:1939 184:2357 185:19761 186:4561 187:3918 188:4005 189:3488 190:8959 191:1442 192:10972 193:8705 194:7121 195:5025 196:3060 197:2458 198:5930 199:6017 200:7582 201:5785 202:10149 203:10012 204:4513 205:3465 206:3805 207:3374 208:4027 209:4722 210:4116 211:2326 212:4024 213:3543 214:1113 215:54 216:6403 217:2633 218:1268 219:406 220:1775 221:921 222:654 223:1969 End of report