IPv4 R&E Routing Table Report 23:05 GMT Fri 18 Aug, 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: 920934 Prefixes after maximum aggregation (per Origin AS): 350656 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452530 Number of IPv4 prefixes with a valid ROA: 417386 Number of IPv4 prefixes with an invalid ROA: 1521 Number of IPv4 prefixes with no ROA: 502027 Total ASes present in the Internet Routing Table: 74579 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64136 Origin ASes announcing only one prefix: 26345 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1014 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 42452 Number of 32-bit ASNs visible in the Routing Table: 34940 Prefixes from 32-bit ASNs in the Routing Table: 173715 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 564 Number of addresses announced to Internet: 3050730496 Equivalent to 181 /8s, 214 /16s and 116 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 307953 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240903 Total APNIC prefixes after maximum aggregation: 69636 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234525 Unique aggregates announced from the APNIC address blocks: 98878 APNIC Region origin ASes present in the Internet Routing Table: 13514 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4005 APNIC Region transit ASes present in the Internet Routing Table: 1795 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8896 Number of APNIC addresses announced to Internet: 772758272 Equivalent to 46 /8s, 15 /16s and 91 /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: 270515 Total ARIN prefixes after maximum aggregation: 123451 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272571 Unique aggregates announced from the ARIN address blocks: 130826 ARIN Region origin ASes present in the Internet Routing Table: 19060 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1275118592 Equivalent to 76 /8s, 0 /16s and 196 /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: 260289 Total RIPE prefixes after maximum aggregation: 122496 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257148 Unique aggregates announced from the RIPE address blocks: 159985 RIPE Region origin ASes present in the Internet Routing Table: 28389 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3908 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11288 Number of RIPE addresses announced to Internet: 716335616 Equivalent to 42 /8s, 178 /16s and 106 /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 196608-216475 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: 118106 Total LACNIC prefixes after maximum aggregation: 28431 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117174 Unique aggregates announced from the LACNIC address blocks: 49645 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2326 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8821 Number of LACNIC addresses announced to Internet: 178492160 Equivalent to 10 /8s, 163 /16s and 147 /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: 30107 Total AfriNIC prefixes after maximum aggregation: 5944 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38952 Unique aggregates announced from the AfriNIC address blocks: 12724 AfriNIC Region origin ASes present in the Internet Routing Table: 1776 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1121 Number of AfriNIC addresses announced to Internet: 107625472 Equivalent to 6 /8s, 106 /16s and 60 /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 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5702 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4340 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3724 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3083 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2482 844 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 201 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 8833 10966 3223 AMAZON-02, US 11492 4527 300 624 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3550 3037 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3077 1500 2317 AKAMAI-AS, US 367 2978 3813 1406 DNIC-ASBLK-00306-00371, US 396982 2685 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2503 359 387 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 7342 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 154 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2294 916 ROSTELECOM-AS, RU 9009 2678 248 1385 M247, RO 34984 2322 362 599 TELLCOM-AS, TR 58224 1817 943 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1523 102 1189 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 11564 3358 607 UNINET, MX 10620 3530 506 845 Telmex Colombia S.A., CO 13999 2443 365 643 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1271 344 510 Axtel, S.A.B. de C.V., MX 6147 1113 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1594 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 24757 477 73 5 EthioNet-AS, ET 37342 472 32 1 MOVITEL, MZ 15399 440 54 48 WANANCHI-, KE 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 11564 3358 607 UNINET, MX 9808 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8833 10966 3223 AMAZON-02, US 12479 7342 1713 145 UNI2-AS, ES 7545 5702 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 624 CABLEONE, US 18403 4340 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4078 3398 154 AKAMAI-ASN1, NL 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 9519 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7342 7197 UNI2-AS, ES 16509 8833 5610 AMAZON-02, US 7545 5702 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4340 4315 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4078 3924 AKAMAI-ASN1, NL 11492 4527 3903 CABLEONE, US 7552 3724 3703 VIETEL-AS-AP Viettel Group, VN 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 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 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 /11:102 /12:296 /13:573 /14:1193 /15:2097 /16:13458 /17:8201 /18:13733 /19:24838 /20:43329 /21:51028 /22:109408 /23:98501 /24:554100 /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 6428 7342 UNI2-AS, ES 8151 5604 11564 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3437 4527 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2600 3550 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2094 3530 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) ---------------------------------------------- 1:2209 2:1373 3:227 4:5 5:4548 6:137 7:6 8:1511 9:1 11:172 12:1509 13:379 14:2306 15:302 16:194 17:372 18:599 20:280 21:4 22:188 23:6388 24:2482 25:6 27:2531 29:19 31:2526 32:78 34:26 35:114 36:1990 37:4611 38:5138 39:856 40:147 41:3993 42:2083 43:2292 44:316 45:16518 46:4312 47:384 49:1790 50:1853 51:593 52:1597 54:391 55:969 56:8 57:122 58:1817 59:1113 60:996 61:2454 62:2696 63:1915 64:5568 65:2329 66:4904 67:3007 68:1324 69:4083 70:1194 71:656 72:2951 74:2610 75:1569 76:614 77:2448 78:1837 79:2984 80:2120 81:1799 82:1499 83:1277 84:1522 85:2974 86:760 87:1982 88:1167 89:3844 90:617 91:7812 92:2071 93:2598 94:3512 95:4003 96:1295 97:318 98:1082 99:734 100:90 101:1315 102:2922 103:31960 104:4542 105:568 106:881 107:2560 108:1127 109:4246 110:2114 111:3135 112:2046 113:1742 114:1650 115:1994 116:1901 117:2538 118:2691 119:1972 120:1785 121:1086 122:2574 123:2141 124:1576 125:2473 128:1414 129:1034 130:1021 131:1956 132:849 133:423 134:1782 135:307 136:906 137:970 138:2633 139:1557 140:1248 141:1294 142:1468 143:1491 144:996 145:340 146:1954 147:1609 148:2400 149:2130 150:868 151:1199 152:1961 153:515 154:4758 155:1379 156:1922 157:1321 158:1084 159:2224 160:2607 161:1555 162:3504 163:1584 164:1699 165:1838 166:1001 167:1728 168:3823 169:905 170:4596 171:899 172:3657 173:2973 174:989 175:1181 176:3770 177:4490 178:3546 179:2131 180:2439 181:3474 182:3414 183:2003 184:2292 185:20511 186:4738 187:4078 188:4132 189:3724 190:9240 191:1392 192:10912 193:8931 194:7294 195:5172 196:3211 197:2454 198:5920 199:6064 200:7831 201:6008 202:10232 203:9995 204:4527 205:3676 206:4248 207:3378 208:4094 209:4875 210:4175 211:2380 212:4250 213:3573 214:1091 215:60 216:6659 217:2761 218:1266 219:411 220:1797 221:975 222:664 223:2151 End of report