IPv4 R&E Routing Table Report 23:05 GMT Fri 19 May, 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: 917065 Prefixes after maximum aggregation (per Origin AS): 348138 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449132 Number of IPv4 prefixes with a valid ROA: 400178 Number of IPv4 prefixes with an invalid ROA: 1784 Number of IPv4 prefixes with no ROA: 515103 Total ASes present in the Internet Routing Table: 74268 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63795 Origin ASes announcing only one prefix: 26250 Transit ASes present in the Internet Routing Table: 10473 Transit-only ASes present in the Internet Routing Table: 428 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1085 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 41896 Number of 32-bit ASNs visible in the Routing Table: 34548 Prefixes from 32-bit ASNs in the Routing Table: 170945 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 617 Number of addresses announced to Internet: 3056280832 Equivalent to 182 /8s, 43 /16s and 37 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 307451 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239691 Total APNIC prefixes after maximum aggregation: 68560 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 233975 Unique aggregates announced from the APNIC address blocks: 98232 APNIC Region origin ASes present in the Internet Routing Table: 13337 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3930 APNIC Region transit ASes present in the Internet Routing Table: 1785 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8706 Number of APNIC addresses announced to Internet: 772975360 Equivalent to 46 /8s, 18 /16s and 171 /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: 268638 Total ARIN prefixes after maximum aggregation: 122245 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271434 Unique aggregates announced from the ARIN address blocks: 130336 ARIN Region origin ASes present in the Internet Routing Table: 19064 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 4783 Number of ARIN addresses announced to Internet: 1280402432 Equivalent to 76 /8s, 81 /16s and 100 /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: 260080 Total RIPE prefixes after maximum aggregation: 122488 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255863 Unique aggregates announced from the RIPE address blocks: 158333 RIPE Region origin ASes present in the Internet Routing Table: 28323 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12067 RIPE Region transit ASes present in the Internet Routing Table: 3976 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: 11195 Number of RIPE addresses announced to Internet: 717896192 Equivalent to 42 /8s, 202 /16s and 58 /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: 118132 Total LACNIC prefixes after maximum aggregation: 28220 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117360 Unique aggregates announced from the LACNIC address blocks: 49418 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2280 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8779 Number of LACNIC addresses announced to Internet: 176922112 Equivalent to 10 /8s, 139 /16s and 158 /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: 29439 Total AfriNIC prefixes after maximum aggregation: 5837 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37816 Unique aggregates announced from the AfriNIC address blocks: 12300 AfriNIC Region origin ASes present in the Internet Routing Table: 1738 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1085 Number of AfriNIC addresses announced to Internet: 107681792 Equivalent to 6 /8s, 107 /16s and 24 /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 9480 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5717 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4132 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3677 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3570 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2960 491 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 197 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 8287 10778 2939 AMAZON-02, US 11492 4537 300 609 CABLEONE, US 7155 4020 281 51 VIASAT-SP-BACKBONE, US 22773 3560 3051 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3087 1552 2331 AKAMAI-AS, US 396982 2655 3592 372 GOOGLE-CLOUD-PLATFORM, US 7018 2504 24148 1574 ATT-INTERNET4, US 30036 2500 361 448 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 7312 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4097 3398 162 AKAMAI-ASN1, NL 8551 3879 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2867 2287 906 ROSTELECOM-AS, RU 9009 2706 249 1398 M247, RO 34984 2280 360 609 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1840 948 547 TCI, IR 61317 1608 108 1213 ASDETUK www.heficed.com, US 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 11317 3349 598 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2349 361 621 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1094 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1605 393 19 LINKdotNET-AS, EG 24835 1496 533 29 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1028 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ 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 11317 3349 598 Uninet S.A. de C.V., MX 9808 9480 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8287 10778 2939 AMAZON-02, US 12479 7312 1707 141 UNI2-AS, ES 7545 5717 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4537 300 609 CABLEONE, US 18403 4132 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4097 3398 162 AKAMAI-ASN1, NL 7155 4020 281 51 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 9480 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7312 7171 UNI2-AS, ES 16509 8287 5348 AMAZON-02, US 7545 5717 5029 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4132 4107 FPT-AS-AP FPT Telecom Company, VN 7155 4020 3969 VIASAT-SP-BACKBONE, US 20940 4097 3935 AKAMAI-ASN1, NL 11492 4537 3928 CABLEONE, US 8551 3879 3842 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 23.153.136.0/24 Origin: 399976 NOVANETWORKS, US 23.153.136.0/24 Transit: 20473 AS-CHOOPA, 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 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 /11:104 /12:301 /13:578 /14:1198 /15:2084 /16:13427 /17:8147 /18:13713 /19:24779 /20:43008 /21:50998 /22:109054 /23:97741 /24:551856 /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 6382 7312 UNI2-AS, ES 8151 5273 11317 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3444 4537 CABLEONE, US 8551 3351 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3070 4020 VIASAT-SP-BACKBONE, US 22773 2634 3560 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:2137 2:1306 3:175 4:5 5:4537 6:131 7:6 8:1512 9:1 11:172 12:1538 13:388 14:2301 15:303 16:186 17:372 18:421 20:258 21:4 22:188 23:6265 24:2592 25:6 27:2500 29:19 31:2494 32:76 34:21 35:109 36:1967 37:4685 38:4639 39:845 40:152 41:3936 42:1949 43:2337 44:311 45:16461 46:4296 47:357 49:1744 50:1836 51:571 52:1600 54:393 55:854 56:8 57:114 58:1817 59:1101 60:987 61:2523 62:2673 63:1922 64:5664 65:2323 66:4997 67:2991 68:1343 69:4099 70:1219 71:670 72:2992 74:2602 75:1557 76:605 77:2431 78:1803 79:3169 80:2129 81:1778 82:1500 83:1273 84:1512 85:2986 86:769 87:2012 88:1160 89:3700 90:618 91:7733 92:2062 93:2612 94:3628 95:4029 96:1308 97:336 98:1151 99:746 100:73 101:1305 102:2718 103:31300 104:4673 105:493 106:942 107:2584 108:1036 109:4404 110:2110 111:3109 112:2030 113:1713 114:1644 115:1995 116:1895 117:2559 118:2610 119:2006 120:1796 121:1062 122:2587 123:2129 124:1570 125:2459 128:1345 129:1012 130:1012 131:1974 132:848 133:422 134:1923 135:305 136:877 137:951 138:2552 139:1546 140:1244 141:1437 142:1447 143:1509 144:1148 145:346 146:1920 147:1582 148:2348 149:2202 150:874 151:1157 152:1931 153:487 154:4396 155:1444 156:1778 157:1317 158:1076 159:2234 160:2545 161:1538 162:3511 163:1516 164:1601 165:1755 166:1058 167:1729 168:3838 169:935 170:4586 171:897 172:3564 173:2946 174:1075 175:1174 176:3699 177:4625 178:3593 179:2215 180:2615 181:3487 182:3353 183:2101 184:2348 185:20271 186:4749 187:4014 188:4089 189:3632 190:9162 191:1439 192:10914 193:8860 194:7296 195:5186 196:3176 197:2376 198:5876 199:6074 200:7945 201:5903 202:10339 203:10275 204:4561 205:3679 206:4220 207:3389 208:4085 209:4870 210:4162 211:2420 212:4168 213:3615 214:1081 215:59 216:6645 217:2699 218:1272 219:408 220:1758 221:974 222:710 223:2147 End of report