IPv4 R&E Routing Table Report 23:05 GMT Tue 23 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: 916534 Prefixes after maximum aggregation (per Origin AS): 348269 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449625 Number of IPv4 prefixes with a valid ROA: 400640 Number of IPv4 prefixes with an invalid ROA: 1738 Number of IPv4 prefixes with no ROA: 514156 Total ASes present in the Internet Routing Table: 74280 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63801 Origin ASes announcing only one prefix: 26250 Transit ASes present in the Internet Routing Table: 10479 Transit-only ASes present in the Internet Routing Table: 425 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: 1087 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 41920 Number of 32-bit ASNs visible in the Routing Table: 34557 Prefixes from 32-bit ASNs in the Routing Table: 170921 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: 576 Number of addresses announced to Internet: 3056691456 Equivalent to 182 /8s, 49 /16s and 105 /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: 307135 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239720 Total APNIC prefixes after maximum aggregation: 68631 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233953 Unique aggregates announced from the APNIC address blocks: 98309 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: 3934 APNIC Region transit ASes present in the Internet Routing Table: 1789 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: 8705 Number of APNIC addresses announced to Internet: 772928768 Equivalent to 46 /8s, 17 /16s and 245 /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, 131072-153913 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: 268446 Total ARIN prefixes after maximum aggregation: 122215 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271387 Unique aggregates announced from the ARIN address blocks: 130400 ARIN Region origin ASes present in the Internet Routing Table: 19067 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6990 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 4788 Number of ARIN addresses announced to Internet: 1281208320 Equivalent to 76 /8s, 93 /16s and 176 /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: 260116 Total RIPE prefixes after maximum aggregation: 122557 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255870 Unique aggregates announced from the RIPE address blocks: 158586 RIPE Region origin ASes present in the Internet Routing Table: 28324 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 3979 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: 11190 Number of RIPE addresses announced to Internet: 717785344 Equivalent to 42 /8s, 200 /16s and 137 /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: 118070 Total LACNIC prefixes after maximum aggregation: 28250 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117257 Unique aggregates announced from the LACNIC address blocks: 49514 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2276 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: 8787 Number of LACNIC addresses announced to Internet: 176966144 Equivalent to 10 /8s, 140 /16s and 74 /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: 29095 Total AfriNIC prefixes after maximum aggregation: 5830 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 37491 Unique aggregates announced from the AfriNIC address blocks: 12344 AfriNIC Region origin ASes present in the Internet Routing Table: 1737 AfriNIC Prefixes per ASN: 21.58 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1087 Number of AfriNIC addresses announced to Internet: 107412224 Equivalent to 6 /8s, 102 /16s and 251 /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 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5720 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4142 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3682 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3570 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2301 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 8318 10783 2943 AMAZON-02, US 11492 4540 301 595 CABLEONE, US 7155 3989 281 51 VIASAT-SP-BACKBONE, US 22773 3533 3051 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3083 1549 2328 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 7018 2508 24147 1571 ATT-INTERNET4, US 30036 2502 361 442 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 1706 140 UNI2-AS, ES 39891 4829 286 61 ALJAWWALSTC-AS, SA 20940 4097 3398 162 AKAMAI-ASN1, NL 8551 3876 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 910 ROSTELECOM-AS, RU 9009 2705 248 1394 M247, RO 34984 2278 360 607 TELLCOM-AS, TR 6849 1927 307 17 UKRTELNET, UA 58224 1834 944 533 TCI, IR 61317 1623 108 1222 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 11321 3347 603 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2349 362 621 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 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 1095 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 1604 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 1029 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 486 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 11321 3347 603 Uninet S.A. de C.V., MX 9808 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8318 10783 2943 AMAZON-02, US 12479 7311 1706 140 UNI2-AS, ES 7545 5720 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 286 61 ALJAWWALSTC-AS, SA 11492 4540 301 595 CABLEONE, US 18403 4142 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4097 3398 162 AKAMAI-ASN1, NL 7155 3989 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 9481 9444 CHINAMOBILE-CN China Mobile Communications Grou 12479 7311 7171 UNI2-AS, ES 16509 8318 5375 AMAZON-02, US 7545 5720 5029 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 4768 ALJAWWALSTC-AS, SA 18403 4142 4117 FPT-AS-AP FPT Telecom Company, VN 11492 4540 3945 CABLEONE, US 7155 3989 3938 VIASAT-SP-BACKBONE, US 20940 4097 3935 AKAMAI-ASN1, NL 8551 3876 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 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 /13:579 /14:1198 /15:2080 /16:13379 /17:8100 /18:13690 /19:24745 /20:42936 /21:50985 /22:109031 /23:97703 /24:551626 /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 7311 UNI2-AS, ES 8151 5285 11321 Uninet S.A. de C.V., MX 39891 3628 4829 ALJAWWALSTC-AS, SA 11492 3447 4540 CABLEONE, US 8551 3349 3876 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3039 3989 VIASAT-SP-BACKBONE, US 22773 2607 3533 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2502 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 5:4539 6:130 7:6 8:1513 9:1 11:172 12:1539 13:388 14:2302 15:303 16:186 17:372 18:424 20:258 21:4 22:188 23:6270 24:2593 25:6 27:2500 29:19 31:2500 32:77 34:21 35:109 36:1967 37:4645 38:4658 39:845 40:151 41:3936 42:1947 43:2338 44:311 45:16423 46:4325 47:358 49:1742 50:1856 51:579 52:1593 54:393 55:853 56:8 57:114 58:1816 59:1075 60:987 61:2524 62:2683 63:1938 64:5667 65:2339 66:5000 67:2919 68:1332 69:4127 70:1191 71:669 72:2990 74:2604 75:1552 76:604 77:2429 78:1806 79:3175 80:2134 81:1781 82:1498 83:1272 84:1512 85:2983 86:762 87:2021 88:1160 89:3711 90:615 91:7734 92:2062 93:2610 94:3611 95:4022 96:1306 97:336 98:1091 99:745 100:69 101:1308 102:2692 103:31317 104:4676 105:491 106:938 107:2579 108:1042 109:4404 110:2095 111:3109 112:2030 113:1709 114:1644 115:1995 116:1885 117:2542 118:2608 119:2002 120:1796 121:1065 122:2585 123:2127 124:1568 125:2456 128:1386 129:1013 130:1017 131:1965 132:847 133:422 134:1919 135:305 136:878 137:950 138:2569 139:1544 140:1244 141:1429 142:1444 143:1512 144:1156 145:346 146:1919 147:1582 148:2352 149:2243 150:870 151:1157 152:1929 153:486 154:4407 155:1441 156:1783 157:1324 158:1076 159:2236 160:2547 161:1538 162:3517 163:1522 164:1604 165:1757 166:1075 167:1727 168:3849 169:934 170:4577 171:897 172:3566 173:2948 174:1048 175:1172 176:3621 177:4593 178:3572 179:2207 180:2612 181:3492 182:3355 183:2100 184:2339 185:20260 186:4784 187:4003 188:4084 189:3638 190:9179 191:1445 192:10924 193:8858 194:7291 195:5192 196:3192 197:2370 198:5867 199:6084 200:7907 201:5912 202:10340 203:10281 204:4563 205:3677 206:4216 207:3392 208:4077 209:4863 210:4165 211:2422 212:4169 213:3610 214:1062 215:59 216:6646 217:2698 218:1271 219:405 220:1757 221:974 222:710 223:2148 End of report