IPv4 R&E Routing Table Report 23:05 GMT Sun 27 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: 919796 Prefixes after maximum aggregation (per Origin AS): 350690 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452018 Number of IPv4 prefixes with a valid ROA: 417268 Number of IPv4 prefixes with an invalid ROA: 898 Number of IPv4 prefixes with no ROA: 501630 Total ASes present in the Internet Routing Table: 74533 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 64122 Origin ASes announcing only one prefix: 26326 Transit ASes present in the Internet Routing Table: 10411 Transit-only ASes present in the Internet Routing Table: 442 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: 992 Number of instances of unregistered ASNs: 994 Number of 32-bit ASNs allocated by the RIRs: 42515 Number of 32-bit ASNs visible in the Routing Table: 34928 Prefixes from 32-bit ASNs in the Routing Table: 173761 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: 546 Number of addresses announced to Internet: 3054664192 Equivalent to 182 /8s, 18 /16s and 122 /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: 307414 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240453 Total APNIC prefixes after maximum aggregation: 69621 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234151 Unique aggregates announced from the APNIC address blocks: 98625 APNIC Region origin ASes present in the Internet Routing Table: 13498 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4013 APNIC Region transit ASes present in the Internet Routing Table: 1800 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: 8886 Number of APNIC addresses announced to Internet: 772672512 Equivalent to 46 /8s, 14 /16s and 12 /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: 270483 Total ARIN prefixes after maximum aggregation: 123340 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272653 Unique aggregates announced from the ARIN address blocks: 130991 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6973 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: 4816 Number of ARIN addresses announced to Internet: 1279347712 Equivalent to 76 /8s, 65 /16s and 76 /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: 259389 Total RIPE prefixes after maximum aggregation: 122664 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256055 Unique aggregates announced from the RIPE address blocks: 159639 RIPE Region origin ASes present in the Internet Routing Table: 28376 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3907 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: 11288 Number of RIPE addresses announced to Internet: 715972864 Equivalent to 42 /8s, 172 /16s and 225 /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: 118392 Total LACNIC prefixes after maximum aggregation: 28441 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117414 Unique aggregates announced from the LACNIC address blocks: 49565 LACNIC Region origin ASes present in the Internet Routing Table: 11008 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2308 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: 8820 Number of LACNIC addresses announced to Internet: 178568704 Equivalent to 10 /8s, 164 /16s and 190 /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: 30087 Total AfriNIC prefixes after maximum aggregation: 5925 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38977 Unique aggregates announced from the AfriNIC address blocks: 12743 AfriNIC Region origin ASes present in the Internet Routing Table: 1771 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 612 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: 1118 Number of AfriNIC addresses announced to Internet: 107643904 Equivalent to 6 /8s, 106 /16s and 132 /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 9523 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5703 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3729 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3336 1840 97 VNPT-AS-VN VNPT Corp, VN 9498 2847 498 249 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 8904 10963 3253 AMAZON-02, US 11492 4524 300 643 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3562 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3060 1478 2305 AKAMAI-AS, US 367 2958 3826 1390 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2517 23937 1534 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 4069 3398 154 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2296 914 ROSTELECOM-AS, RU 9009 2654 246 1373 M247, RO 34984 2330 362 595 TELLCOM-AS, TR 13188 1606 100 27 TRIOLAN, UA 61317 1516 101 1181 ASDETUK www.heficed.com, US 8452 1441 1852 16 TE-AS TE-AS, EG 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 11691 3358 608 UNINET, MX 10620 3535 506 849 Telmex Colombia S.A., CO 13999 2451 366 644 Mega Cable, S.A. de C.V., MX 11830 1999 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 181 435 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 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 1503 533 27 RAYA-AS, EG 36992 1338 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 523 54 48 WANANCHI-, KE 37342 466 32 1 MOVITEL, MZ 24757 448 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 11691 3358 608 UNINET, MX 9808 9523 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8904 10963 3253 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5703 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 643 CABLEONE, US 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4069 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 9523 9483 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8904 5651 AMAZON-02, US 7545 5703 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4069 3915 AKAMAI-ASN1, NL 11492 4524 3881 CABLEONE, US 7552 3729 3709 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 /16:13465 /17:8187 /18:13698 /19:24779 /20:43296 /21:50933 /22:109214 /23:98492 /24:553388 /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 5715 11691 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2608 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 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) ---------------------------------------------- 1:2229 2:1375 3:234 4:5 5:4545 6:138 7:6 8:1512 9:1 11:172 12:1507 13:368 14:2293 15:301 16:192 17:371 18:621 20:280 21:4 22:188 23:6371 24:2483 25:6 27:2546 29:19 31:2529 32:78 34:26 35:115 36:1988 37:4549 38:5151 39:867 40:147 41:4045 42:2086 43:2284 44:321 45:16545 46:4263 47:384 49:1794 50:1858 51:593 52:1595 54:393 55:964 56:8 57:122 58:1790 59:1105 60:995 61:2391 62:2687 63:1920 64:5549 65:2332 66:4896 67:3017 68:1337 69:4130 70:1191 71:656 72:2956 74:2608 75:1563 76:616 77:2384 78:1825 79:2989 80:2116 81:1818 82:1456 83:1277 84:1514 85:2963 86:754 87:1998 88:1174 89:3824 90:617 91:7796 92:2066 93:2596 94:3525 95:3994 96:1293 97:317 98:1079 99:733 100:90 101:1315 102:2944 103:31838 104:4569 105:553 106:880 107:2586 108:1124 109:4235 110:2108 111:3131 112:2070 113:1742 114:1649 115:1986 116:1911 117:2516 118:2688 119:1973 120:1770 121:1084 122:2564 123:2139 124:1563 125:2489 128:1403 129:914 130:1024 131:1950 132:848 133:420 134:1787 135:306 136:911 137:975 138:2629 139:1564 140:1231 141:1297 142:1476 143:1485 144:979 145:345 146:1943 147:1604 148:2425 149:2141 150:871 151:1225 152:1974 153:517 154:4786 155:1384 156:1926 157:1325 158:1080 159:2222 160:2614 161:1584 162:3516 163:1587 164:1692 165:1846 166:951 167:1726 168:3808 169:905 170:4606 171:883 172:3670 173:2973 174:987 175:1184 176:3757 177:4489 178:3534 179:2147 180:2433 181:3436 182:3194 183:2004 184:2280 185:20495 186:4786 187:4127 188:4135 189:3786 190:9247 191:1329 192:10883 193:8930 194:7281 195:5186 196:3191 197:2435 198:5924 199:6065 200:7871 201:6033 202:10218 203:9966 204:4525 205:3650 206:4261 207:3382 208:4112 209:4888 210:4178 211:2444 212:4239 213:3425 214:1092 215:59 216:6630 217:2754 218:1265 219:405 220:1800 221:976 222:662 223:2144 End of report