IPv4 R&E Routing Table Report 23:05 GMT Tue 29 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: 920152 Prefixes after maximum aggregation (per Origin AS): 350760 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452067 Number of IPv4 prefixes with a valid ROA: 417507 Number of IPv4 prefixes with an invalid ROA: 1593 Number of IPv4 prefixes with no ROA: 501052 Total ASes present in the Internet Routing Table: 74557 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64145 Origin ASes announcing only one prefix: 26357 Transit ASes present in the Internet Routing Table: 10412 Transit-only ASes present in the Internet Routing Table: 438 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: 998 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 42518 Number of 32-bit ASNs visible in the Routing Table: 34957 Prefixes from 32-bit ASNs in the Routing Table: 173927 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: 550 Number of addresses announced to Internet: 3055257088 Equivalent to 182 /8s, 27 /16s and 134 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 307317 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241120 Total APNIC prefixes after maximum aggregation: 69765 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234842 Unique aggregates announced from the APNIC address blocks: 98703 APNIC Region origin ASes present in the Internet Routing Table: 13515 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4017 APNIC Region transit ASes present in the Internet Routing Table: 1805 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8906 Number of APNIC addresses announced to Internet: 772694272 Equivalent to 46 /8s, 14 /16s and 97 /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: 270612 Total ARIN prefixes after maximum aggregation: 123427 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272723 Unique aggregates announced from the ARIN address blocks: 131040 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4818 Number of ARIN addresses announced to Internet: 1279490560 Equivalent to 76 /8s, 67 /16s and 122 /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: 259500 Total RIPE prefixes after maximum aggregation: 122524 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256314 Unique aggregates announced from the RIPE address blocks: 159833 RIPE Region origin ASes present in the Internet Routing Table: 28378 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3898 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11284 Number of RIPE addresses announced to Internet: 716423680 Equivalent to 42 /8s, 179 /16s and 194 /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: 118047 Total LACNIC prefixes after maximum aggregation: 28407 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117050 Unique aggregates announced from the LACNIC address blocks: 49304 LACNIC Region origin ASes present in the Internet Routing Table: 11016 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2698 LACNIC Region transit ASes present in the Internet Routing Table: 2325 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8830 Number of LACNIC addresses announced to Internet: 178570240 Equivalent to 10 /8s, 164 /16s and 196 /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: 29875 Total AfriNIC prefixes after maximum aggregation: 5933 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38673 Unique aggregates announced from the AfriNIC address blocks: 12728 AfriNIC Region origin ASes present in the Internet Routing Table: 1771 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1119 Number of AfriNIC addresses announced to Internet: 107618816 Equivalent to 6 /8s, 106 /16s and 34 /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 9514 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5709 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4346 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3338 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3113 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2489 847 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 8988 10981 3223 AMAZON-02, US 11492 4479 297 717 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3561 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3016 1453 2278 AKAMAI-AS, US 367 2968 3827 1388 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2510 23937 1532 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 7339 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4072 3398 154 AKAMAI-ASN1, NL 8551 3458 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2296 914 ROSTELECOM-AS, RU 9009 2657 246 1376 M247, RO 34984 2330 362 595 TELLCOM-AS, TR 58224 1739 928 546 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1511 101 1176 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 11712 3360 607 UNINET, MX 10620 3535 506 849 Telmex Colombia S.A., CO 13999 2452 364 642 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1116 182 434 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1027 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 1593 393 19 LINKdotNET-AS, EG 24835 1455 497 26 RAYA-AS, EG 36992 1340 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 775 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 517 54 48 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 406 73 5 EthioNet-AS, ET 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 11712 3360 607 UNINET, MX 9808 9514 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8988 10981 3223 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5709 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4479 297 717 CABLEONE, US 18403 4346 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4072 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 9514 9474 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8988 5765 AMAZON-02, US 7545 5709 5023 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4346 4321 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4072 3918 AKAMAI-ASN1, NL 11492 4479 3762 CABLEONE, US 7552 3734 3714 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 /12:298 /13:576 /14:1194 /15:2097 /16:13466 /17:8191 /18:13704 /19:24786 /20:43300 /21:50955 /22:109211 /23:98551 /24:553644 /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 6425 7339 UNI2-AS, ES 8151 5731 11712 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3415 4479 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2926 3458 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3561 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 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) ---------------------------------------------- 1:2228 2:1380 3:233 4:5 5:4534 6:137 7:6 8:1509 9:1 11:172 12:1507 13:376 14:2301 15:302 16:191 17:371 18:631 20:280 21:4 22:188 23:6385 24:2479 25:6 27:2553 29:19 31:2526 32:78 34:26 35:115 36:1996 37:4551 38:5175 39:869 40:147 41:4034 42:2098 43:2281 44:322 45:16548 46:4260 47:383 49:1795 50:1853 51:596 52:1594 54:392 55:957 56:8 57:122 58:1791 59:1114 60:997 61:2509 62:2689 63:1915 64:5571 65:2331 66:4899 67:3023 68:1339 69:4128 70:1191 71:657 72:2957 74:2607 75:1563 76:616 77:2362 78:1836 79:2968 80:2125 81:1822 82:1456 83:1275 84:1524 85:2969 86:752 87:1992 88:1173 89:3827 90:616 91:7810 92:2066 93:2600 94:3529 95:4006 96:1292 97:317 98:1079 99:734 100:90 101:1301 102:2936 103:31994 104:4560 105:550 106:881 107:2592 108:1134 109:4234 110:2116 111:3134 112:2059 113:1745 114:1653 115:1988 116:1895 117:2525 118:2692 119:1983 120:1785 121:1086 122:2565 123:2138 124:1580 125:2488 128:1406 129:914 130:1027 131:1949 132:851 133:419 134:1786 135:306 136:914 137:970 138:2622 139:1561 140:1231 141:1295 142:1477 143:1487 144:997 145:345 146:1951 147:1603 148:2426 149:2146 150:871 151:1227 152:1982 153:518 154:4858 155:1377 156:1935 157:1327 158:1078 159:2197 160:2612 161:1583 162:3516 163:1583 164:1700 165:1846 166:952 167:1725 168:3710 169:905 170:4612 171:884 172:3658 173:2959 174:982 175:1184 176:3752 177:4479 178:3508 179:2100 180:2443 181:3428 182:3318 183:2001 184:2278 185:20488 186:4698 187:4100 188:4129 189:3759 190:9243 191:1324 192:10911 193:8929 194:7290 195:5182 196:3158 197:2412 198:5902 199:6068 200:7848 201:6045 202:10233 203:9992 204:4526 205:3646 206:4257 207:3379 208:4107 209:4885 210:4182 211:2442 212:4243 213:3406 214:1092 215:59 216:6648 217:2768 218:1267 219:404 220:1801 221:978 222:665 223:2152 End of report