IPv4 R&E Routing Table Report 23:05 GMT Sat 21 May, 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: 882577 Prefixes after maximum aggregation (per Origin AS): 335643 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432443 Number of IPv4 prefixes with a valid ROA: 325196 Number of IPv4 prefixes with an invalid ROA: 1122 Number of IPv4 prefixes with no ROA: 556259 Total ASes present in the Internet Routing Table: 72977 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62705 Origin ASes announcing only one prefix: 25737 Transit ASes present in the Internet Routing Table: 10272 Transit-only ASes present in the Internet Routing Table: 376 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 900 Number of instances of unregistered ASNs: 903 Number of 32-bit ASNs allocated by the RIRs: 39445 Number of 32-bit ASNs visible in the Routing Table: 32646 Prefixes from 32-bit ASNs in the Routing Table: 153852 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 546 Number of addresses announced to Internet: 3064199424 Equivalent to 182 /8s, 163 /16s and 249 /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: 296832 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228817 Total APNIC prefixes after maximum aggregation: 66139 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224030 Unique aggregates announced from the APNIC address blocks: 94840 APNIC Region origin ASes present in the Internet Routing Table: 12570 APNIC Prefixes per ASN: 17.82 APNIC Region origin ASes announcing only one prefix: 3584 APNIC Region transit ASes present in the Internet Routing Table: 1732 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7837 Number of APNIC addresses announced to Internet: 773487104 Equivalent to 46 /8s, 26 /16s and 122 /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: 260602 Total ARIN prefixes after maximum aggregation: 119696 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260560 Unique aggregates announced from the ARIN address blocks: 125961 ARIN Region origin ASes present in the Internet Routing Table: 18962 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6912 ARIN Region transit ASes present in the Internet Routing Table: 1857 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4480 Number of ARIN addresses announced to Internet: 1292343296 Equivalent to 77 /8s, 7 /16s and 152 /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: 249816 Total RIPE prefixes after maximum aggregation: 116305 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247093 Unique aggregates announced from the RIPE address blocks: 150940 RIPE Region origin ASes present in the Internet Routing Table: 28129 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10711 Number of RIPE addresses announced to Internet: 713988608 Equivalent to 42 /8s, 142 /16s and 154 /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: 114622 Total LACNIC prefixes after maximum aggregation: 27366 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114453 Unique aggregates announced from the LACNIC address blocks: 48602 LACNIC Region origin ASes present in the Internet Routing Table: 10946 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2194 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8661 Number of LACNIC addresses announced to Internet: 176384256 Equivalent to 10 /8s, 131 /16s and 105 /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: 27820 Total AfriNIC prefixes after maximum aggregation: 5469 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35895 Unique aggregates announced from the AfriNIC address blocks: 11655 AfriNIC Region origin ASes present in the Internet Routing Table: 1625 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 556 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 957 Number of AfriNIC addresses announced to Internet: 107693312 Equivalent to 6 /8s, 107 /16s and 69 /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 9155 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5898 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3591 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3426 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 204 TATACOMM-AS TATA Communications formerl 24560 2046 853 380 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6464 10356 2780 AMAZON-02, US 11492 4516 299 649 CABLEONE, US 22773 3913 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3539 1821 2534 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2881 50795 2138 DNIC-AS-00749, US 30036 2631 374 141 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2463 4961 420 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 492 CHARTER-20115, 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 6801 1730 150 UNI2-AS, ES 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 192 AKAMAI-ASN1, NL 39891 3687 212 38 ALJAWWALSTC-AS, SA 6849 2926 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2488 249 1294 M247, GB 34984 2242 357 627 TELLCOM-AS, TR 58224 1814 931 607 TCI, IR 13188 1607 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 10639 3396 561 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1827 300 469 Mega Cable, S.A. de C.V., MX 6503 1448 355 528 Axtel, S.A.B. de C.V., MX 28573 1370 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 444 Techtel LMDS Comunicaciones Interactiva 11172 956 133 61 Alestra, S. de R.L. de C.V., MX 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 1646 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 946 65 63 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 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 10639 3396 561 Uninet S.A. de C.V., MX 9808 9155 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6801 1730 150 UNI2-AS, ES 16509 6464 10356 2780 AMAZON-02, US 7545 5898 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 649 CABLEONE, US 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 192 AKAMAI-ASN1, NL 22773 3913 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 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 9155 9115 CHINAMOBILE-CN China Mobile Communications Grou 12479 6801 6651 UNI2-AS, ES 7545 5898 5204 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3867 CABLEONE, US 20940 3963 3771 AKAMAI-ASN1, NL 16509 6464 3684 AMAZON-02, US 39891 3687 3649 ALJAWWALSTC-AS, SA 7552 3591 3572 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 2914 NTT-LTD-2914, US 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 /10:40 /11:100 /12:303 /13:588 /14:1201 /15:2094 /16:13504 /17:8234 /18:13770 /19:24844 /20:42621 /21:50791 /22:107057 /23:94568 /24:522827 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5777 6801 UNI2-AS, ES 8151 4357 10639 Uninet S.A. de C.V., MX 8551 3465 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3003 3687 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2777 2926 UKRTELNET, UA 30036 2287 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1910 2:1019 3:154 4:6 5:3692 6:104 7:5 8:1529 9:1 11:172 12:1706 13:304 14:2370 15:201 16:41 17:384 18:161 20:212 21:4 22:188 23:5656 24:2298 25:6 27:2599 29:19 31:2428 32:92 34:4 35:78 36:1778 37:4431 38:2876 39:703 40:152 41:3942 42:1094 43:2165 44:291 45:16000 46:4131 47:295 49:1684 50:2154 51:108 52:1436 54:369 55:745 56:8 57:60 58:1701 59:1127 60:948 61:2249 62:2507 63:1941 64:5505 65:2336 66:4831 67:2972 68:1192 69:4156 70:1328 71:684 72:3050 74:2643 75:1392 76:579 77:2163 78:1847 79:3113 80:1992 81:1601 82:1495 83:1205 84:1342 85:2912 86:707 87:1966 88:1122 89:3264 90:530 91:7615 92:2013 93:2584 94:3483 95:3819 96:1307 97:349 98:994 99:737 100:76 101:1271 102:2062 103:28998 104:4388 105:464 106:871 107:2515 108:826 109:4253 110:2010 111:3244 112:2026 113:1480 114:1476 115:1972 116:1885 117:2511 118:2335 119:1857 120:1666 121:1021 122:2546 123:2096 124:1531 125:2059 128:1178 129:1086 130:968 131:2016 132:794 133:378 134:1891 135:291 136:880 137:860 138:2430 139:1499 140:854 141:1401 142:1278 143:1434 144:1198 145:346 146:1788 147:1491 148:2220 149:1718 150:849 151:1079 152:1845 153:459 154:3467 155:1417 156:1750 157:1233 158:1048 159:2171 160:2511 161:1277 162:3451 163:1265 164:1638 165:1615 166:711 167:1733 168:3752 169:840 170:4470 171:829 172:3172 173:3126 174:1021 175:1138 176:3582 177:4646 178:3543 179:2039 180:2318 181:2981 182:3199 183:1950 184:2374 185:19480 186:4307 187:3761 188:3873 189:3274 190:8847 191:1307 192:10953 193:8606 194:6986 195:4947 196:3043 197:2372 198:5929 199:6005 200:7416 201:5727 202:10086 203:9981 204:4534 205:3416 206:3690 207:3332 208:4005 209:4633 210:4099 211:2345 212:4023 213:3433 214:1151 215:67 216:6449 217:2670 218:1246 219:405 220:1665 221:977 222:670 223:2114 End of report