IPv4 R&E Routing Table Report 23:05 GMT Sat 08 Jul, 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: 919974 Prefixes after maximum aggregation (per Origin AS): 349832 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451660 Number of IPv4 prefixes with a valid ROA: 410970 Number of IPv4 prefixes with an invalid ROA: 1752 Number of IPv4 prefixes with no ROA: 507252 Total ASes present in the Internet Routing Table: 74412 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63920 Origin ASes announcing only one prefix: 26305 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1037 Number of instances of unregistered ASNs: 1041 Number of 32-bit ASNs allocated by the RIRs: 42264 Number of 32-bit ASNs visible in the Routing Table: 34744 Prefixes from 32-bit ASNs in the Routing Table: 172887 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3054394880 Equivalent to 182 /8s, 14 /16s and 94 /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: 99.6 Total number of prefixes smaller than registry allocations: 308145 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240053 Total APNIC prefixes after maximum aggregation: 69024 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233899 Unique aggregates announced from the APNIC address blocks: 98652 APNIC Region origin ASes present in the Internet Routing Table: 13404 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3973 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8792 Number of APNIC addresses announced to Internet: 772932608 Equivalent to 46 /8s, 18 /16s and 4 /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: 270147 Total ARIN prefixes after maximum aggregation: 123209 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272479 Unique aggregates announced from the ARIN address blocks: 130809 ARIN Region origin ASes present in the Internet Routing Table: 19066 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4801 Number of ARIN addresses announced to Internet: 1278073344 Equivalent to 76 /8s, 45 /16s and 218 /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: 260294 Total RIPE prefixes after maximum aggregation: 122633 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256780 Unique aggregates announced from the RIPE address blocks: 159635 RIPE Region origin ASes present in the Internet Routing Table: 28346 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11231 Number of RIPE addresses announced to Internet: 717192192 Equivalent to 42 /8s, 191 /16s and 124 /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: 118623 Total LACNIC prefixes after maximum aggregation: 28398 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117779 Unique aggregates announced from the LACNIC address blocks: 49503 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2311 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178380032 Equivalent to 10 /8s, 161 /16s and 221 /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: 29820 Total AfriNIC prefixes after maximum aggregation: 5862 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38496 Unique aggregates announced from the AfriNIC address blocks: 12612 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1112 Number of AfriNIC addresses announced to Internet: 107494400 Equivalent to 6 /8s, 104 /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 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3042 497 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2442 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2186 442 199 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 8701 10906 3135 AMAZON-02, US 11492 4522 300 614 CABLEONE, US 7155 4170 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3139 1554 2356 AKAMAI-AS, US 367 2744 3743 1313 DNIC-ASBLK-00306-00371, US 396982 2674 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2500 361 419 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 7304 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4079 3398 159 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2656 246 1382 M247, RO 34984 2306 361 609 TELLCOM-AS, TR 58224 1832 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 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 11561 3376 597 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2404 360 631 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1102 177 437 Techtel LMDS Comunicaciones Interactiva 26615 1036 2500 47 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 1617 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1314 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 468 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 11561 3376 597 UNINET, MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8701 10906 3135 AMAZON-02, US 12479 7304 1706 141 UNI2-AS, ES 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 614 CABLEONE, US 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4170 288 86 VIASAT-SP-BACKBONE, US 20940 4079 3398 159 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 9477 CHINAMOBILE-CN China Mobile Communications Grou 12479 7304 7163 UNI2-AS, ES 16509 8701 5566 AMAZON-02, US 7545 5682 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4218 4193 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4084 VIASAT-SP-BACKBONE, US 20940 4079 3920 AKAMAI-ASN1, NL 11492 4522 3908 CABLEONE, US 7552 3692 3671 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /11:103 /12:297 /13:574 /14:1199 /15:2108 /16:13423 /17:8180 /18:13715 /19:24851 /20:43232 /21:51069 /22:109371 /23:98263 /24:553512 /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 6392 7304 UNI2-AS, ES 8151 5479 11561 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4522 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3119 4170 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2160 2:1339 3:228 4:5 5:4519 6:130 7:6 8:1513 9:1 11:172 12:1517 13:387 14:2311 15:301 16:194 17:372 18:502 20:262 21:4 22:188 23:6345 24:2524 25:6 27:2505 29:19 31:2522 32:77 34:23 35:111 36:1972 37:4684 38:4998 39:827 40:152 41:3975 42:1993 43:2315 44:306 45:16594 46:4351 47:376 49:1759 50:1854 51:585 52:1592 54:395 55:973 56:8 57:119 58:1815 59:1110 60:985 61:2511 62:2655 63:1903 64:5609 65:2316 66:4988 67:3041 68:1350 69:4090 70:1207 71:675 72:2984 74:2621 75:1568 76:611 77:2447 78:1818 79:2981 80:2127 81:1781 82:1494 83:1256 84:1531 85:2992 86:770 87:2009 88:1169 89:3817 90:615 91:7773 92:2049 93:2599 94:3579 95:4050 96:1311 97:340 98:1136 99:736 100:94 101:1310 102:2842 103:31639 104:4559 105:505 106:884 107:2558 108:1081 109:4237 110:2094 111:3131 112:2055 113:1743 114:1632 115:1975 116:1893 117:2579 118:2613 119:1976 120:1792 121:1077 122:2589 123:2126 124:1577 125:2463 128:1399 129:1043 130:1006 131:1956 132:843 133:422 134:1795 135:308 136:891 137:950 138:2537 139:1556 140:1248 141:1365 142:1460 143:1498 144:1033 145:341 146:1944 147:1580 148:2395 149:2174 150:875 151:1165 152:1954 153:496 154:4641 155:1385 156:1805 157:1312 158:1086 159:2259 160:2586 161:1558 162:3508 163:1549 164:1590 165:1871 166:1061 167:1723 168:3840 169:946 170:4620 171:889 172:3635 173:2961 174:1082 175:1180 176:3754 177:4489 178:3609 179:2173 180:2449 181:3482 182:3393 183:2005 184:2322 185:20441 186:4789 187:4067 188:4100 189:3702 190:9239 191:1382 192:10887 193:8931 194:7322 195:5144 196:3202 197:2381 198:5899 199:6098 200:7979 201:5921 202:10255 203:10099 204:4556 205:3694 206:4266 207:3366 208:4123 209:4890 210:4168 211:2441 212:4253 213:3605 214:1084 215:59 216:6643 217:2761 218:1276 219:414 220:1761 221:964 222:683 223:2156 End of report