IPv4 R&E Routing Table Report 23:05 GMT Sat 19 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: 921001 Prefixes after maximum aggregation (per Origin AS): 350730 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452505 Number of IPv4 prefixes with a valid ROA: 417334 Number of IPv4 prefixes with an invalid ROA: 1506 Number of IPv4 prefixes with no ROA: 502161 Total ASes present in the Internet Routing Table: 74559 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64129 Origin ASes announcing only one prefix: 26323 Transit ASes present in the Internet Routing Table: 10430 Transit-only ASes present in the Internet Routing Table: 445 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: 1012 Number of instances of unregistered ASNs: 1014 Number of 32-bit ASNs allocated by the RIRs: 42466 Number of 32-bit ASNs visible in the Routing Table: 34928 Prefixes from 32-bit ASNs in the Routing Table: 173688 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: 529 Number of addresses announced to Internet: 3050757888 Equivalent to 181 /8s, 214 /16s and 223 /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: 307878 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241065 Total APNIC prefixes after maximum aggregation: 69732 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234684 Unique aggregates announced from the APNIC address blocks: 98910 APNIC Region origin ASes present in the Internet Routing Table: 13504 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3998 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8888 Number of APNIC addresses announced to Internet: 772803584 Equivalent to 46 /8s, 16 /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: 270504 Total ARIN prefixes after maximum aggregation: 123437 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272603 Unique aggregates announced from the ARIN address blocks: 130842 ARIN Region origin ASes present in the Internet Routing Table: 19059 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1881 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: 1275145216 Equivalent to 76 /8s, 1 /16s and 44 /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: 260320 Total RIPE prefixes after maximum aggregation: 122503 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 257169 Unique aggregates announced from the RIPE address blocks: 159994 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: 12042 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: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11288 Number of RIPE addresses announced to Internet: 716348928 Equivalent to 42 /8s, 178 /16s and 158 /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: 118013 Total LACNIC prefixes after maximum aggregation: 28426 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117085 Unique aggregates announced from the LACNIC address blocks: 49599 LACNIC Region origin ASes present in the Internet Routing Table: 11008 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2324 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: 8824 Number of LACNIC addresses announced to Internet: 178445312 Equivalent to 10 /8s, 162 /16s and 220 /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: 5935 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38931 Unique aggregates announced from the AfriNIC address blocks: 12722 AfriNIC Region origin ASes present in the Internet Routing Table: 1765 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 606 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1112 Number of AfriNIC addresses announced to Internet: 107631872 Equivalent to 6 /8s, 106 /16s and 85 /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 5700 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 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 3084 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2483 844 410 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 8844 10968 3210 AMAZON-02, US 11492 4527 300 624 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3551 3039 290 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 2973 3821 1402 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 7343 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 1521 102 1187 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 11604 3358 606 UNINET, MX 10620 3528 506 848 Telmex Colombia S.A., CO 13999 2439 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 474 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 11604 3358 606 UNINET, MX 9808 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8844 10968 3210 AMAZON-02, US 12479 7343 1713 145 UNI2-AS, ES 7545 5700 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 624 CABLEONE, US 18403 4347 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 7343 7198 UNI2-AS, ES 16509 8844 5634 AMAZON-02, US 7545 5700 5016 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4347 4322 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 3730 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 /12:296 /13:573 /14:1193 /15:2098 /16:13459 /17:8199 /18:13732 /19:24831 /20:43363 /21:51043 /22:109414 /23:98496 /24:554125 /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 6429 7343 UNI2-AS, ES 8151 5645 11604 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 3551 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3528 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 5:4551 6:138 7:6 8:1511 9:1 11:172 12:1509 13:379 14:2306 15:302 16:194 17:372 18:602 20:280 21:4 22:188 23:6389 24:2483 25:6 27:2529 29:19 31:2525 32:78 34:26 35:114 36:1990 37:4613 38:5143 39:858 40:147 41:3992 42:2086 43:2285 44:320 45:16499 46:4313 47:384 49:1790 50:1855 51:593 52:1598 54:392 55:966 56:8 57:122 58:1815 59:1113 60:996 61:2508 62:2695 63:1913 64:5569 65:2330 66:4901 67:3007 68:1322 69:4083 70:1194 71:656 72:2951 74:2610 75:1569 76:614 77:2449 78:1837 79:2984 80:2122 81:1797 82:1499 83:1276 84:1522 85:2974 86:759 87:1984 88:1171 89:3842 90:617 91:7806 92:2069 93:2595 94:3514 95:4003 96:1295 97:318 98:1082 99:734 100:90 101:1315 102:2913 103:31929 104:4542 105:568 106:881 107:2560 108:1123 109:4248 110:2113 111:3136 112:2065 113:1741 114:1649 115:1994 116:1903 117:2539 118:2693 119:1976 120:1788 121:1086 122:2572 123:2141 124:1577 125:2478 128:1413 129:1036 130:1021 131:1949 132:840 133:420 134:1787 135:306 136:906 137:970 138:2637 139:1550 140:1249 141:1286 142:1468 143:1489 144:995 145:340 146:1953 147:1609 148:2387 149:2130 150:869 151:1204 152:1960 153:515 154:4776 155:1384 156:1922 157:1322 158:1082 159:2227 160:2613 161:1554 162:3499 163:1582 164:1693 165:1840 166:998 167:1724 168:3824 169:905 170:4594 171:900 172:3655 173:2973 174:988 175:1180 176:3772 177:4434 178:3546 179:2130 180:2455 181:3479 182:3413 183:2003 184:2289 185:20515 186:4738 187:4079 188:4127 189:3699 190:9243 191:1379 192:10917 193:8930 194:7291 195:5173 196:3208 197:2454 198:5924 199:6063 200:7852 201:6010 202:10233 203:10001 204:4528 205:3663 206:4248 207:3379 208:4093 209:4878 210:4184 211:2440 212:4252 213:3575 214:1091 215:60 216:6659 217:2763 218:1266 219:411 220:1797 221:975 222:665 223:2150 End of report