IPv4 R&E Routing Table Report 23:05 GMT Wed 10 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: 913861 Prefixes after maximum aggregation (per Origin AS): 347395 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448563 Number of IPv4 prefixes with a valid ROA: 396098 Number of IPv4 prefixes with an invalid ROA: 1834 Number of IPv4 prefixes with no ROA: 515929 Total ASes present in the Internet Routing Table: 74235 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63746 Origin ASes announcing only one prefix: 26210 Transit ASes present in the Internet Routing Table: 10489 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1111 Number of instances of unregistered ASNs: 1111 Number of 32-bit ASNs allocated by the RIRs: 41820 Number of 32-bit ASNs visible in the Routing Table: 34502 Prefixes from 32-bit ASNs in the Routing Table: 170722 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 625 Number of addresses announced to Internet: 3056500992 Equivalent to 182 /8s, 46 /16s and 129 /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: 306715 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237548 Total APNIC prefixes after maximum aggregation: 68518 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231996 Unique aggregates announced from the APNIC address blocks: 97835 APNIC Region origin ASes present in the Internet Routing Table: 13331 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3928 APNIC Region transit ASes present in the Internet Routing Table: 1787 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: 8699 Number of APNIC addresses announced to Internet: 772978176 Equivalent to 46 /8s, 18 /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: 268403 Total ARIN prefixes after maximum aggregation: 121756 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271022 Unique aggregates announced from the ARIN address blocks: 130174 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 4775 Number of ARIN addresses announced to Internet: 1280746496 Equivalent to 76 /8s, 86 /16s and 164 /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: 259823 Total RIPE prefixes after maximum aggregation: 122258 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255766 Unique aggregates announced from the RIPE address blocks: 158446 RIPE Region origin ASes present in the Internet Routing Table: 28313 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12058 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: 11168 Number of RIPE addresses announced to Internet: 718147584 Equivalent to 42 /8s, 206 /16s and 16 /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: 117759 Total LACNIC prefixes after maximum aggregation: 28231 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117065 Unique aggregates announced from the LACNIC address blocks: 49331 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2283 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: 8779 Number of LACNIC addresses announced to Internet: 176629760 Equivalent to 10 /8s, 135 /16s and 40 /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: 29217 Total AfriNIC prefixes after maximum aggregation: 5828 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 37387 Unique aggregates announced from the AfriNIC address blocks: 12254 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.57 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1081 Number of AfriNIC addresses announced to Internet: 107587840 Equivalent to 6 /8s, 105 /16s and 169 /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 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5725 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4056 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2942 491 236 BBIL-AP BHARTI Airtel Ltd., IN 24560 2392 836 449 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2180 442 196 TATACOMM-AS TATA Communications formerl 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8282 10781 2927 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4004 281 51 VIASAT-SP-BACKBONE, US 22773 3582 3057 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3094 1560 2340 AKAMAI-AS, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2494 359 474 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2487 24147 1559 ATT-INTERNET4, 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 7287 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4085 3399 163 AKAMAI-ASN1, NL 8551 3879 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2711 251 1396 M247, RO 34984 2278 360 610 TELLCOM-AS, TR 6849 1987 307 18 UKRTELNET, UA 58224 1851 950 535 TCI, IR 13188 1607 100 18 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 11274 3330 601 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2347 360 618 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 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 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1095 180 445 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 1601 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 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 11274 3330 601 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8282 10781 2927 AMAZON-02, US 12479 7287 1707 141 UNI2-AS, ES 7545 5725 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4085 3399 163 AKAMAI-ASN1, NL 45899 4056 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 4004 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 9469 9432 CHINAMOBILE-CN China Mobile Communications Grou 12479 7287 7146 UNI2-AS, ES 16509 8282 5355 AMAZON-02, US 7545 5725 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4056 4009 VNPT-AS-VN VNPT Corp, VN 7155 4004 3953 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4085 3922 AKAMAI-ASN1, NL 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 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /13:576 /14:1195 /15:2082 /16:13423 /17:8140 /18:14148 /19:24854 /20:43091 /21:50896 /22:108986 /23:97443 /24:548545 /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 6347 7287 UNI2-AS, ES 8151 5231 11274 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3351 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3071 4004 VIASAT-SP-BACKBONE, US 22773 2651 3582 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2494 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) ---------------------------------------------- 1:1687 2:1302 3:173 4:5 5:4539 6:129 7:6 8:1513 9:1 11:172 12:1534 13:389 14:2329 15:303 16:187 17:372 18:420 20:258 21:4 22:188 23:6228 24:2590 25:6 27:2487 29:19 31:2501 32:75 34:11 35:106 36:1968 37:4691 38:4557 39:842 40:150 41:3907 42:1017 43:2322 44:306 45:16520 46:4289 47:357 49:1734 50:1831 51:573 52:1597 54:391 55:773 56:8 57:115 58:1691 59:1094 60:987 61:2509 62:2667 63:1920 64:5671 65:2313 66:4993 67:3005 68:1345 69:4085 70:1247 71:670 72:2990 74:2599 75:1485 76:608 77:2448 78:1789 79:3165 80:2127 81:1773 82:1487 83:1274 84:1507 85:2969 86:769 87:2024 88:1159 89:3677 90:609 91:7738 92:2064 93:2616 94:3605 95:4011 96:1313 97:336 98:1152 99:746 100:73 101:1302 102:2702 103:31278 104:4645 105:488 106:935 107:2524 108:1035 109:4401 110:2102 111:3101 112:2030 113:1535 114:1642 115:1999 116:1896 117:2563 118:2297 119:1922 120:1794 121:1062 122:2588 123:2132 124:1568 125:2462 128:1313 129:1081 130:1012 131:1996 132:846 133:422 134:1921 135:306 136:875 137:950 138:2556 139:1555 140:1240 141:1453 142:1433 143:1491 144:1165 145:346 146:2000 147:1580 148:2318 149:2225 150:871 151:1157 152:1930 153:488 154:4219 155:1453 156:1774 157:1309 158:1060 159:2314 160:2544 161:1535 162:3490 163:1508 164:1610 165:1740 166:1036 167:1727 168:3839 169:929 170:4573 171:883 172:3549 173:2922 174:1071 175:1172 176:3686 177:4588 178:3591 179:2152 180:2602 181:3477 182:3343 183:1942 184:2350 185:20236 186:4740 187:3979 188:4090 189:3574 190:9155 191:1435 192:10911 193:8873 194:7290 195:5151 196:3146 197:2364 198:5874 199:6095 200:7933 201:5890 202:10364 203:10289 204:4571 205:3656 206:4244 207:3391 208:4072 209:4844 210:4160 211:2413 212:4136 213:3591 214:1088 215:59 216:6648 217:2687 218:1274 219:406 220:1763 221:974 222:714 223:2152 End of report