IPv4 R&E Routing Table Report 23:05 GMT Sat 20 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: 917303 Prefixes after maximum aggregation (per Origin AS): 348115 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449308 Number of IPv4 prefixes with a valid ROA: 400307 Number of IPv4 prefixes with an invalid ROA: 1794 Number of IPv4 prefixes with no ROA: 515202 Total ASes present in the Internet Routing Table: 74287 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63803 Origin ASes announcing only one prefix: 26242 Transit ASes present in the Internet Routing Table: 10484 Transit-only ASes present in the Internet Routing Table: 429 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1083 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 41900 Number of 32-bit ASNs visible in the Routing Table: 34559 Prefixes from 32-bit ASNs in the Routing Table: 171079 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: 3056076800 Equivalent to 182 /8s, 40 /16s and 8 /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: 307682 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239779 Total APNIC prefixes after maximum aggregation: 68574 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234059 Unique aggregates announced from the APNIC address blocks: 98289 APNIC Region origin ASes present in the Internet Routing Table: 13342 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3933 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: 8711 Number of APNIC addresses announced to Internet: 772988928 Equivalent to 46 /8s, 18 /16s and 224 /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: 268591 Total ARIN prefixes after maximum aggregation: 122178 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271387 Unique aggregates announced from the ARIN address blocks: 130350 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1902 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: 4785 Number of ARIN addresses announced to Internet: 1280581632 Equivalent to 76 /8s, 84 /16s and 32 /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: 260210 Total RIPE prefixes after maximum aggregation: 122500 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255993 Unique aggregates announced from the RIPE address blocks: 158424 RIPE Region origin ASes present in the Internet Routing Table: 28332 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11197 Number of RIPE addresses announced to Internet: 717967104 Equivalent to 42 /8s, 203 /16s and 79 /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: 118264 Total LACNIC prefixes after maximum aggregation: 28239 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117496 Unique aggregates announced from the LACNIC address blocks: 49439 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2284 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: 8778 Number of LACNIC addresses announced to Internet: 176938240 Equivalent to 10 /8s, 139 /16s and 221 /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: 29376 Total AfriNIC prefixes after maximum aggregation: 5839 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37751 Unique aggregates announced from the AfriNIC address blocks: 12293 AfriNIC Region origin ASes present in the Internet Routing Table: 1741 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 612 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1088 Number of AfriNIC addresses announced to Internet: 107194112 Equivalent to 6 /8s, 99 /16s and 167 /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 5715 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 3391 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 2300 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 8296 10781 2940 AMAZON-02, US 11492 4538 301 603 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 3100 54980 2352 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 7311 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4097 3398 162 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 910 ROSTELECOM-AS, RU 9009 2706 249 1398 M247, RO 34984 2279 360 608 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1837 948 550 TCI, IR 61317 1613 108 1217 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 11300 3343 603 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 37342 489 32 1 MOVITEL, MZ 24757 475 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 11300 3343 603 Uninet S.A. de C.V., MX 9808 9480 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8296 10781 2940 AMAZON-02, US 12479 7311 1707 141 UNI2-AS, ES 7545 5715 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4538 301 603 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 7311 7170 UNI2-AS, ES 16509 8296 5356 AMAZON-02, US 7545 5715 5027 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 11492 4538 3935 CABLEONE, US 20940 4097 3935 AKAMAI-ASN1, NL 8551 3882 3845 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 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 /11:104 /12:301 /13:578 /14:1197 /15:2083 /16:13427 /17:8152 /18:13717 /19:24785 /20:43008 /21:50985 /22:109051 /23:97730 /24:552108 /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 6381 7311 UNI2-AS, ES 8151 5271 11300 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3445 4538 CABLEONE, US 8551 3354 3882 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 2:1307 3:175 4:5 5:4541 6:130 7:6 8:1512 9:1 11:172 12:1534 13:388 14:2302 15:303 16:186 17:372 18:422 20:258 21:4 22:188 23:6267 24:2593 25:6 27:2500 29:19 31:2492 32:76 34:21 35:109 36:1967 37:4682 38:4643 39:845 40:151 41:3948 42:1948 43:2339 44:311 45:16491 46:4332 47:357 49:1744 50:1838 51:571 52:1600 54:391 55:854 56:8 57:114 58:1817 59:1102 60:987 61:2523 62:2671 63:1925 64:5667 65:2333 66:5004 67:2992 68:1343 69:4099 70:1219 71:670 72:2992 74:2610 75:1558 76:607 77:2441 78:1804 79:3172 80:2129 81:1779 82:1494 83:1273 84:1512 85:2987 86:769 87:2021 88:1161 89:3699 90:618 91:7740 92:2062 93:2610 94:3629 95:4033 96:1308 97:336 98:1151 99:746 100:73 101:1306 102:2710 103:31362 104:4672 105:485 106:941 107:2584 108:1038 109:4405 110:2110 111:3115 112:2030 113:1713 114:1645 115:1995 116:1895 117:2559 118:2611 119:2006 120:1796 121:1062 122:2588 123:2129 124:1570 125:2460 128:1338 129:1012 130:1013 131:1984 132:846 133:422 134:1921 135:305 136:878 137:923 138:2571 139:1548 140:1244 141:1435 142:1447 143:1512 144:1148 145:346 146:1920 147:1582 148:2349 149:2201 150:874 151:1156 152:1931 153:486 154:4396 155:1443 156:1777 157:1317 158:1075 159:2235 160:2547 161:1539 162:3507 163:1515 164:1547 165:1753 166:1059 167:1727 168:3846 169:933 170:4583 171:897 172:3561 173:2949 174:1074 175:1174 176:3697 177:4676 178:3596 179:2217 180:2613 181:3493 182:3353 183:2099 184:2347 185:20285 186:4787 187:4006 188:4092 189:3627 190:9159 191:1473 192:10913 193:8862 194:7293 195:5189 196:3161 197:2376 198:5889 199:6082 200:7946 201:5901 202:10340 203:10280 204:4561 205:3662 206:4218 207:3387 208:4087 209:4855 210:4166 211:2420 212:4170 213:3615 214:1081 215:59 216:6646 217:2700 218:1272 219:408 220:1758 221:974 222:710 223:2148 End of report