IPv4 R&E Routing Table Report 23:05 GMT Sat 08 Apr, 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: 910121 Prefixes after maximum aggregation (per Origin AS): 345898 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447446 Number of IPv4 prefixes with a valid ROA: 382026 Number of IPv4 prefixes with an invalid ROA: 1354 Number of IPv4 prefixes with no ROA: 526741 Total ASes present in the Internet Routing Table: 74103 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 63637 Origin ASes announcing only one prefix: 26172 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1098 Number of instances of unregistered ASNs: 1098 Number of 32-bit ASNs allocated by the RIRs: 41635 Number of 32-bit ASNs visible in the Routing Table: 34354 Prefixes from 32-bit ASNs in the Routing Table: 168957 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 710 Number of addresses announced to Internet: 3060417536 Equivalent to 182 /8s, 106 /16s and 68 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 305815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235982 Total APNIC prefixes after maximum aggregation: 68191 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 230433 Unique aggregates announced from the APNIC address blocks: 97480 APNIC Region origin ASes present in the Internet Routing Table: 13277 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3892 APNIC Region transit ASes present in the Internet Routing Table: 1787 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8633 Number of APNIC addresses announced to Internet: 772847104 Equivalent to 46 /8s, 16 /16s and 182 /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: 267494 Total ARIN prefixes after maximum aggregation: 121270 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 269874 Unique aggregates announced from the ARIN address blocks: 130576 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4766 Number of ARIN addresses announced to Internet: 1284930816 Equivalent to 76 /8s, 150 /16s and 125 /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: 258739 Total RIPE prefixes after maximum aggregation: 121724 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 254616 Unique aggregates announced from the RIPE address blocks: 157383 RIPE Region origin ASes present in the Internet Routing Table: 28270 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3989 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11101 Number of RIPE addresses announced to Internet: 717790720 Equivalent to 42 /8s, 200 /16s and 158 /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: 117306 Total LACNIC prefixes after maximum aggregation: 28156 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116625 Unique aggregates announced from the LACNIC address blocks: 49119 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2275 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8775 Number of LACNIC addresses announced to Internet: 176643584 Equivalent to 10 /8s, 135 /16s and 94 /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: 29502 Total AfriNIC prefixes after maximum aggregation: 5782 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37863 Unique aggregates announced from the AfriNIC address blocks: 12280 AfriNIC Region origin ASes present in the Internet Routing Table: 1728 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 603 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1079 Number of AfriNIC addresses announced to Internet: 107744512 Equivalent to 6 /8s, 108 /16s and 13 /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 9482 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5744 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3688 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3382 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2925 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 835 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 587 KIXS-AS-KR Korea Telecom, KR 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2144 439 211 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 8258 10780 2881 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3603 3057 279 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3145 1579 2331 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2570 24118 1567 ATT-INTERNET4, US 30036 2488 359 526 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 7244 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4051 3399 163 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 911 ROSTELECOM-AS, RU 9009 2648 249 1375 M247, RO 34984 2270 359 611 TELLCOM-AS, TR 6849 2076 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11216 3343 582 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2312 371 610 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1332 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 446 Techtel LMDS Comunicaciones Interactiva 26615 1029 2498 45 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 1571 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1356 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 532 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 73 5 EthioNet-AS, ET 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 11216 3343 582 Uninet S.A. de C.V., MX 9808 9482 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8258 10780 2881 AMAZON-02, US 12479 7244 1705 149 UNI2-AS, ES 7545 5744 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4051 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9482 9434 CHINAMOBILE-CN China Mobile Communications Grou 12479 7244 7095 UNI2-AS, ES 16509 8258 5377 AMAZON-02, US 7545 5744 5056 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4542 3935 CABLEONE, US 7155 3967 3919 VIASAT-SP-BACKBONE, US 20940 4051 3888 AKAMAI-ASN1, NL 8551 3885 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3688 3667 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:575 /14:1196 /15:2068 /16:13421 /17:8173 /18:13717 /19:24814 /20:43054 /21:51039 /22:108797 /23:97027 /24:545762 /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 6305 7244 UNI2-AS, ES 8151 5173 11216 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3450 4542 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2675 3603 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 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) ---------------------------------------------- 1:1665 2:1222 3:172 4:5 5:4482 6:121 7:6 8:1512 9:1 11:172 12:1560 13:393 14:2298 15:299 16:185 17:370 18:417 20:248 21:4 22:188 23:6152 24:2564 25:6 27:2492 29:19 31:2524 32:94 34:10 35:104 36:1937 37:4640 38:4429 39:805 40:151 41:3985 42:973 43:2311 44:306 45:16506 46:4211 47:356 49:1730 50:1824 51:571 52:1595 54:389 55:834 56:8 57:91 58:1684 59:1069 60:977 61:2487 62:2626 63:1920 64:5679 65:2321 66:4907 67:3005 68:1372 69:4161 70:1251 71:671 72:2971 74:2597 75:1464 76:606 77:2423 78:1846 79:3164 80:2097 81:1734 82:1477 83:1272 84:1510 85:2985 86:748 87:1996 88:1228 89:3612 90:614 91:7670 92:2057 93:2609 94:3595 95:3992 96:1328 97:336 98:1157 99:745 100:73 101:1301 102:2687 103:31152 104:4619 105:483 106:877 107:2506 108:1016 109:4408 110:2074 111:3183 112:2052 113:1493 114:1631 115:2001 116:1904 117:2565 118:2282 119:2011 120:1766 121:1041 122:2610 123:2138 124:1574 125:2477 128:1257 129:1051 130:992 131:1986 132:838 133:420 134:1896 135:305 136:838 137:942 138:2549 139:1549 140:1220 141:1458 142:1421 143:1491 144:1163 145:346 146:1924 147:1565 148:2316 149:1993 150:867 151:1154 152:1951 153:489 154:4382 155:1426 156:1787 157:1300 158:1041 159:2284 160:2538 161:1531 162:3518 163:1492 164:1587 165:1725 166:993 167:1737 168:3838 169:934 170:4601 171:870 172:3534 173:2925 174:1069 175:1156 176:3665 177:4544 178:3623 179:2141 180:2441 181:3428 182:3334 183:1912 184:2350 185:20161 186:4686 187:3931 188:4085 189:3530 190:9135 191:1448 192:10891 193:8834 194:7284 195:5125 196:3170 197:2382 198:5894 199:6079 200:7763 201:5882 202:10309 203:10171 204:4614 205:3535 206:4063 207:3392 208:4077 209:4853 210:4168 211:2400 212:4106 213:3560 214:1081 215:59 216:6632 217:2682 218:1268 219:406 220:1765 221:972 222:711 223:2147 End of report