IPv4 R&E Routing Table Report 23:05 GMT Wed 17 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: 916536 Prefixes after maximum aggregation (per Origin AS): 348046 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448884 Number of IPv4 prefixes with a valid ROA: 399314 Number of IPv4 prefixes with an invalid ROA: 1767 Number of IPv4 prefixes with no ROA: 515455 Total ASes present in the Internet Routing Table: 74256 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63790 Origin ASes announcing only one prefix: 26235 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 424 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: 1091 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 41872 Number of 32-bit ASNs visible in the Routing Table: 34538 Prefixes from 32-bit ASNs in the Routing Table: 170933 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: 617 Number of addresses announced to Internet: 3056451328 Equivalent to 182 /8s, 45 /16s and 191 /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: 307189 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239583 Total APNIC prefixes after maximum aggregation: 68537 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 233869 Unique aggregates announced from the APNIC address blocks: 98118 APNIC Region origin ASes present in the Internet Routing Table: 13332 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3925 APNIC Region transit ASes present in the Internet Routing Table: 1778 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: 772938240 Equivalent to 46 /8s, 18 /16s and 26 /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: 268387 Total ARIN prefixes after maximum aggregation: 122175 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271167 Unique aggregates announced from the ARIN address blocks: 130293 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1900 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: 1280649728 Equivalent to 76 /8s, 85 /16s and 42 /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: 259789 Total RIPE prefixes after maximum aggregation: 122406 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255585 Unique aggregates announced from the RIPE address blocks: 158132 RIPE Region origin ASes present in the Internet Routing Table: 28314 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: 3974 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: 11185 Number of RIPE addresses announced to Internet: 717889280 Equivalent to 42 /8s, 202 /16s and 31 /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: 118185 Total LACNIC prefixes after maximum aggregation: 28237 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117429 Unique aggregates announced from the LACNIC address blocks: 49365 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2646 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: 8781 Number of LACNIC addresses announced to Internet: 176822272 Equivalent to 10 /8s, 138 /16s and 24 /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: 29501 Total AfriNIC prefixes after maximum aggregation: 5899 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 37869 Unique aggregates announced from the AfriNIC address blocks: 12463 AfriNIC Region origin ASes present in the Internet Routing Table: 1743 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 612 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: 1088 Number of AfriNIC addresses announced to Internet: 107745024 Equivalent to 6 /8s, 108 /16s and 15 /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 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5717 780 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4126 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 3396 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2959 491 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2397 836 446 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 8307 10783 2928 AMAZON-02, US 11492 4536 300 609 CABLEONE, US 7155 4019 281 51 VIASAT-SP-BACKBONE, US 22773 3564 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 16625 3107 1565 2352 AKAMAI-AS, US 749 3099 54980 2351 DNIC-AS-00749, US 396982 2644 3592 370 GOOGLE-CLOUD-PLATFORM, US 7018 2484 24147 1557 ATT-INTERNET4, US 30036 2483 359 509 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 7315 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4099 3398 162 AKAMAI-ASN1, NL 8551 3880 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2709 251 1398 M247, RO 34984 2279 360 608 TELLCOM-AS, TR 6849 1989 307 17 UKRTELNET, UA 58224 1816 941 583 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 11234 3331 601 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2347 361 620 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 1090 179 445 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 1559 377 85 LINKdotNET-AS, EG 24835 1530 533 29 RAYA-AS, EG 36992 1339 1518 276 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 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 11234 3331 601 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8307 10783 2928 AMAZON-02, US 12479 7315 1707 141 UNI2-AS, ES 7545 5717 780 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4536 300 609 CABLEONE, US 18403 4126 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4099 3398 162 AKAMAI-ASN1, NL 7155 4019 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 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7315 7174 UNI2-AS, ES 16509 8307 5379 AMAZON-02, US 7545 5717 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4126 4101 FPT-AS-AP FPT Telecom Company, VN 7155 4019 3968 VIASAT-SP-BACKBONE, US 20940 4099 3937 AKAMAI-ASN1, NL 11492 4536 3927 CABLEONE, US 8551 3880 3843 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 /14:1198 /15:2085 /16:13428 /17:8152 /18:13706 /19:24771 /20:43017 /21:50967 /22:109089 /23:97773 /24:551290 /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 6379 7315 UNI2-AS, ES 8151 5223 11234 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3444 4536 CABLEONE, US 8551 3352 3880 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3069 4019 VIASAT-SP-BACKBONE, US 22773 2637 3564 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2139 2483 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) ---------------------------------------------- 1:2135 2:1306 3:174 4:5 5:4544 6:130 7:6 8:1513 9:1 11:172 12:1536 13:387 14:2301 15:300 16:186 17:372 18:422 20:258 21:4 22:188 23:6246 24:2598 25:6 27:2497 29:19 31:2480 32:76 34:13 35:106 36:1966 37:4680 38:4615 39:843 40:151 41:3953 42:1947 43:2336 44:310 45:16481 46:4284 47:358 49:1745 50:1834 51:575 52:1601 54:394 55:767 56:8 57:114 58:1801 59:1104 60:987 61:2520 62:2674 63:1920 64:5662 65:2322 66:5004 67:2987 68:1343 69:4101 70:1219 71:670 72:2986 74:2609 75:1555 76:605 77:2433 78:1767 79:3170 80:2123 81:1778 82:1498 83:1270 84:1510 85:2977 86:767 87:2025 88:1154 89:3679 90:617 91:7724 92:2060 93:2618 94:3607 95:4015 96:1310 97:336 98:1149 99:745 100:73 101:1304 102:2725 103:31295 104:4660 105:488 106:941 107:2511 108:1035 109:4401 110:2106 111:3109 112:2029 113:1707 114:1644 115:1973 116:1894 117:2524 118:2604 119:2007 120:1794 121:1058 122:2592 123:2128 124:1568 125:2460 128:1345 129:1012 130:1015 131:1983 132:834 133:422 134:1925 135:305 136:873 137:950 138:2557 139:1545 140:1244 141:1446 142:1433 143:1503 144:1145 145:346 146:1924 147:1581 148:2345 149:2210 150:874 151:1157 152:1929 153:487 154:4373 155:1443 156:1799 157:1306 158:1067 159:2256 160:2541 161:1537 162:3511 163:1517 164:1606 165:1758 166:1061 167:1726 168:3859 169:938 170:4580 171:880 172:3546 173:2912 174:1074 175:1174 176:3678 177:4640 178:3586 179:2210 180:2616 181:3482 182:3357 183:2101 184:2347 185:20242 186:4769 187:4028 188:4090 189:3609 190:9163 191:1434 192:10908 193:8855 194:7298 195:5145 196:3196 197:2378 198:5881 199:6081 200:7938 201:5905 202:10351 203:10264 204:4563 205:3675 206:4228 207:3389 208:4078 209:4846 210:4165 211:2421 212:4165 213:3614 214:1084 215:59 216:6656 217:2696 218:1273 219:408 220:1759 221:974 222:709 223:2148 End of report