IPv4 R&E Routing Table Report 23:05 GMT Tue 09 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: 913521 Prefixes after maximum aggregation (per Origin AS): 347301 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448161 Number of IPv4 prefixes with a valid ROA: 395683 Number of IPv4 prefixes with an invalid ROA: 1827 Number of IPv4 prefixes with no ROA: 516011 Total ASes present in the Internet Routing Table: 74218 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63723 Origin ASes announcing only one prefix: 26211 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1085 Number of 32-bit ASNs allocated by the RIRs: 41813 Number of 32-bit ASNs visible in the Routing Table: 34479 Prefixes from 32-bit ASNs in the Routing Table: 170397 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: 607 Number of addresses announced to Internet: 3057987840 Equivalent to 182 /8s, 69 /16s and 49 /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: 306705 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237400 Total APNIC prefixes after maximum aggregation: 68491 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231840 Unique aggregates announced from the APNIC address blocks: 97660 APNIC Region origin ASes present in the Internet Routing Table: 13314 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3924 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: 8682 Number of APNIC addresses announced to Internet: 772886272 Equivalent to 46 /8s, 17 /16s and 79 /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: 268340 Total ARIN prefixes after maximum aggregation: 121796 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270910 Unique aggregates announced from the ARIN address blocks: 130126 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6981 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: 4775 Number of ARIN addresses announced to Internet: 1282799872 Equivalent to 76 /8s, 117 /16s and 249 /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: 259792 Total RIPE prefixes after maximum aggregation: 122225 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255763 Unique aggregates announced from the RIPE address blocks: 158309 RIPE Region origin ASes present in the Internet Routing Table: 28317 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 3986 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: 11166 Number of RIPE addresses announced to Internet: 718128128 Equivalent to 42 /8s, 205 /16s and 196 /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: 117701 Total LACNIC prefixes after maximum aggregation: 28211 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117007 Unique aggregates announced from the LACNIC address blocks: 49339 LACNIC Region origin ASes present in the Internet Routing Table: 10982 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2292 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: 8777 Number of LACNIC addresses announced to Internet: 176703744 Equivalent to 10 /8s, 136 /16s and 73 /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: 29205 Total AfriNIC prefixes after maximum aggregation: 5794 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37394 Unique aggregates announced from the AfriNIC address blocks: 12221 AfriNIC Region origin ASes present in the Internet Routing Table: 1729 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1079 Number of AfriNIC addresses announced to Internet: 107062528 Equivalent to 6 /8s, 97 /16s and 165 /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 5722 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 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 2951 490 236 BBIL-AP BHARTI Airtel Ltd., IN 24560 2391 836 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2179 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 8274 10780 2932 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4004 281 51 VIASAT-SP-BACKBONE, US 22773 3581 3056 280 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3101 54980 2353 DNIC-AS-00749, US 16625 3094 1560 2340 AKAMAI-AS, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2494 359 477 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2486 24147 1558 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 7284 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4083 3398 162 AKAMAI-ASN1, NL 8551 3879 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2710 251 1397 M247, RO 34984 2278 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 531 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 11280 3332 598 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2345 359 615 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 1589 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 1024 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 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 11280 3332 598 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8274 10780 2932 AMAZON-02, US 12479 7284 1707 141 UNI2-AS, ES 7545 5722 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4083 3398 162 AKAMAI-ASN1, NL 45899 4055 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 7284 7143 UNI2-AS, ES 16509 8274 5342 AMAZON-02, US 7545 5722 5029 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 7155 4004 3953 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4083 3921 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 /11:105 /12:301 /13:575 /14:1194 /15:2082 /16:13417 /17:8132 /18:14138 /19:24851 /20:43070 /21:50856 /22:108960 /23:97384 /24:548379 /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 6344 7284 UNI2-AS, ES 8151 5230 11280 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 3581 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 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 2:1304 3:175 4:5 5:4533 6:128 7:6 8:1513 9:1 11:172 12:1535 13:387 14:2303 15:300 16:186 17:373 18:420 20:258 21:4 22:188 23:6221 24:2590 25:6 27:2486 29:19 31:2501 32:74 34:11 35:106 36:1967 37:4700 38:4562 39:826 40:150 41:3903 42:1017 43:2325 44:306 45:16491 46:4290 47:357 49:1732 50:1826 51:573 52:1595 54:392 55:775 56:8 57:116 58:1689 59:1103 60:987 61:2510 62:2672 63:1918 64:5667 65:2311 66:4991 67:2998 68:1346 69:4065 70:1247 71:670 72:2988 74:2602 75:1484 76:608 77:2449 78:1801 79:3164 80:2130 81:1772 82:1498 83:1274 84:1508 85:2969 86:770 87:2032 88:1159 89:3683 90:609 91:7741 92:2066 93:2618 94:3625 95:4007 96:1312 97:336 98:1152 99:746 100:73 101:1303 102:2701 103:31233 104:4641 105:488 106:934 107:2523 108:1034 109:4398 110:2087 111:3092 112:2030 113:1535 114:1635 115:2001 116:1896 117:2562 118:2298 119:1953 120:1794 121:1062 122:2586 123:2148 124:1572 125:2459 128:1315 129:1083 130:1003 131:1995 132:848 133:422 134:1921 135:305 136:873 137:951 138:2556 139:1555 140:1236 141:1453 142:1434 143:1500 144:1162 145:346 146:1935 147:1579 148:2319 149:2234 150:872 151:1159 152:1930 153:489 154:4223 155:1450 156:1777 157:1311 158:1060 159:2314 160:2544 161:1537 162:3493 163:1507 164:1610 165:1739 166:1037 167:1725 168:3840 169:930 170:4566 171:880 172:3548 173:2920 174:1067 175:1170 176:3688 177:4582 178:3596 179:2146 180:2600 181:3473 182:3345 183:1943 184:2350 185:20246 186:4744 187:3969 188:4094 189:3585 190:9152 191:1442 192:10906 193:8865 194:7300 195:5151 196:3152 197:2365 198:5868 199:6089 200:7948 201:5888 202:10343 203:10287 204:4559 205:3661 206:4251 207:3388 208:4068 209:4833 210:4161 211:2412 212:4133 213:3595 214:1088 215:59 216:6647 217:2686 218:1273 219:406 220:1764 221:974 222:714 223:2149 End of report