IPv4 R&E Routing Table Report 23:05 GMT Fri 07 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: 920129 Prefixes after maximum aggregation (per Origin AS): 349857 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451741 Number of IPv4 prefixes with a valid ROA: 411056 Number of IPv4 prefixes with an invalid ROA: 1738 Number of IPv4 prefixes with no ROA: 507335 Total ASes present in the Internet Routing Table: 74410 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 63916 Origin ASes announcing only one prefix: 26298 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 78 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: 1041 Number of instances of unregistered ASNs: 1045 Number of 32-bit ASNs allocated by the RIRs: 42251 Number of 32-bit ASNs visible in the Routing Table: 34747 Prefixes from 32-bit ASNs in the Routing Table: 172978 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: 544 Number of addresses announced to Internet: 3054415104 Equivalent to 182 /8s, 14 /16s and 173 /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: 308230 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240062 Total APNIC prefixes after maximum aggregation: 69010 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233915 Unique aggregates announced from the APNIC address blocks: 98677 APNIC Region origin ASes present in the Internet Routing Table: 13409 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3983 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8799 Number of APNIC addresses announced to Internet: 772939520 Equivalent to 46 /8s, 18 /16s and 31 /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: 270100 Total ARIN prefixes after maximum aggregation: 123217 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272469 Unique aggregates announced from the ARIN address blocks: 130806 ARIN Region origin ASes present in the Internet Routing Table: 19062 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4800 Number of ARIN addresses announced to Internet: 1278075904 Equivalent to 76 /8s, 45 /16s and 228 /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: 260431 Total RIPE prefixes after maximum aggregation: 122655 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256802 Unique aggregates announced from the RIPE address blocks: 159660 RIPE Region origin ASes present in the Internet Routing Table: 28341 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3958 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: 717217280 Equivalent to 42 /8s, 191 /16s and 222 /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: 118701 Total LACNIC prefixes after maximum aggregation: 28407 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117853 Unique aggregates announced from the LACNIC address blocks: 49524 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2307 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: 8804 Number of LACNIC addresses announced to Internet: 178395136 Equivalent to 10 /8s, 162 /16s and 24 /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: 29794 Total AfriNIC prefixes after maximum aggregation: 5857 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38546 Unique aggregates announced from the AfriNIC address blocks: 12621 AfriNIC Region origin ASes present in the Internet Routing Table: 1762 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1113 Number of AfriNIC addresses announced to Internet: 107462400 Equivalent to 6 /8s, 103 /16s and 191 /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 2180 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 8684 10905 3125 AMAZON-02, US 11492 4522 300 614 CABLEONE, US 7155 4169 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 3131 1550 2352 AKAMAI-AS, US 367 2744 3743 1312 DNIC-ASBLK-00306-00371, US 396982 2674 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2489 360 435 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 7303 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4078 3398 159 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2293 911 ROSTELECOM-AS, RU 9009 2653 246 1383 M247, RO 34984 2307 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 11554 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 1316 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 1053 67 46 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 24757 461 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 11554 3376 597 UNINET, MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8684 10905 3125 AMAZON-02, US 12479 7303 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 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4078 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 7303 7162 UNI2-AS, ES 16509 8684 5559 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 4169 4083 VIASAT-SP-BACKBONE, US 20940 4078 3919 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 23.157.136.0/24 Origin: 6145 SYNIO-NET, CA 23.157.136.0/24 Transit: 50058 August Internet, GB 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 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 /18:13716 /19:24873 /20:43225 /21:51068 /22:109389 /23:98268 /24:553629 /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 6391 7303 UNI2-AS, ES 8151 5473 11554 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4522 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2489 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 2:1338 3:228 4:5 5:4520 6:130 7:6 8:1514 9:1 11:172 12:1517 13:387 14:2312 15:301 16:194 17:372 18:502 20:262 21:4 22:188 23:6352 24:2520 25:6 27:2505 29:19 31:2520 32:77 34:23 35:111 36:1972 37:4687 38:4995 39:827 40:151 41:4042 42:1993 43:2315 44:305 45:16612 46:4345 47:377 49:1757 50:1854 51:585 52:1592 54:395 55:973 56:8 57:119 58:1815 59:1109 60:985 61:2509 62:2654 63:1905 64:5610 65:2316 66:4987 67:3040 68:1351 69:4090 70:1206 71:675 72:2985 74:2620 75:1567 76:610 77:2448 78:1821 79:2980 80:2124 81:1782 82:1494 83:1254 84:1533 85:2991 86:770 87:2009 88:1179 89:3805 90:615 91:7771 92:2043 93:2602 94:3583 95:4053 96:1311 97:340 98:1136 99:736 100:94 101:1310 102:2846 103:31633 104:4552 105:506 106:884 107:2557 108:1081 109:4238 110:2097 111:3130 112:2055 113:1745 114:1632 115:1975 116:1894 117:2579 118:2613 119:1977 120:1792 121:1072 122:2588 123:2127 124:1576 125:2463 128:1401 129:1043 130:1005 131:1954 132:842 133:422 134:1794 135:308 136:889 137:953 138:2537 139:1555 140:1248 141:1362 142:1460 143:1508 144:1032 145:342 146:1946 147:1582 148:2400 149:2175 150:875 151:1165 152:1961 153:496 154:4633 155:1388 156:1802 157:1313 158:1086 159:2259 160:2585 161:1558 162:3509 163:1551 164:1592 165:1871 166:1063 167:1722 168:3844 169:948 170:4616 171:889 172:3635 173:2953 174:1083 175:1189 176:3765 177:4503 178:3611 179:2175 180:2450 181:3487 182:3393 183:2006 184:2322 185:20443 186:4786 187:4069 188:4098 189:3697 190:9240 191:1394 192:10895 193:8929 194:7324 195:5147 196:3183 197:2374 198:5899 199:6099 200:7983 201:5923 202:10259 203:10097 204:4555 205:3688 206:4266 207:3370 208:4122 209:4888 210:4167 211:2443 212:4251 213:3599 214:1086 215:59 216:6643 217:2763 218:1276 219:414 220:1761 221:964 222:683 223:2156 End of report