IPv4 R&E Routing Table Report 23:05 GMT Mon 07 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: 920366 Prefixes after maximum aggregation (per Origin AS): 350170 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452203 Number of IPv4 prefixes with a valid ROA: 415338 Number of IPv4 prefixes with an invalid ROA: 1552 Number of IPv4 prefixes with no ROA: 503476 Total ASes present in the Internet Routing Table: 74488 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63975 Origin ASes announcing only one prefix: 26264 Transit ASes present in the Internet Routing Table: 10513 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 134 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 42395 Number of 32-bit ASNs visible in the Routing Table: 34843 Prefixes from 32-bit ASNs in the Routing Table: 173395 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 572 Number of addresses announced to Internet: 3051793152 Equivalent to 181 /8s, 230 /16s and 171 /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: 307951 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240571 Total APNIC prefixes after maximum aggregation: 69422 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234399 Unique aggregates announced from the APNIC address blocks: 98822 APNIC Region origin ASes present in the Internet Routing Table: 13483 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3975 APNIC Region transit ASes present in the Internet Routing Table: 1782 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8861 Number of APNIC addresses announced to Internet: 772913152 Equivalent to 46 /8s, 17 /16s and 184 /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: 270413 Total ARIN prefixes after maximum aggregation: 123377 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272418 Unique aggregates announced from the ARIN address blocks: 130774 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4797 Number of ARIN addresses announced to Internet: 1276547584 Equivalent to 76 /8s, 22 /16s and 146 /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: 260064 Total RIPE prefixes after maximum aggregation: 122369 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 256923 Unique aggregates announced from the RIPE address blocks: 159827 RIPE Region origin ASes present in the Internet Routing Table: 28364 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3969 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: 11275 Number of RIPE addresses announced to Internet: 716593664 Equivalent to 42 /8s, 182 /16s and 90 /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: 118599 Total LACNIC prefixes after maximum aggregation: 28399 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117701 Unique aggregates announced from the LACNIC address blocks: 49682 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2342 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8804 Number of LACNIC addresses announced to Internet: 178356992 Equivalent to 10 /8s, 161 /16s and 131 /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: 29660 Total AfriNIC prefixes after maximum aggregation: 5880 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38353 Unique aggregates announced from the AfriNIC address blocks: 12620 AfriNIC Region origin ASes present in the Internet Routing Table: 1756 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 618 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: 134 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1106 Number of AfriNIC addresses announced to Internet: 106993152 Equivalent to 6 /8s, 96 /16s and 150 /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 9521 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5690 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3588 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3060 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2476 841 428 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 8842 10940 3175 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3552 3053 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3086 1511 2322 AKAMAI-AS, US 367 2964 3823 1404 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2495 358 412 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 7327 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4077 3398 156 AKAMAI-ASN1, NL 8551 3456 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2668 247 1392 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1548 102 1202 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 11619 3372 610 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2424 362 635 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 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1301 767 173 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 48 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1357 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 37342 465 32 1 MOVITEL, MZ 15399 457 54 47 WANANCHI-, KE 24757 413 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 11619 3372 610 UNINET, MX 9808 9521 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8842 10940 3175 AMAZON-02, US 12479 7327 1707 142 UNI2-AS, ES 7545 5690 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4077 3398 156 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 9521 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7327 7185 UNI2-AS, ES 16509 8842 5667 AMAZON-02, US 7545 5690 5003 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4077 3921 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3638 3617 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 7015 COMCAST-7015, 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 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 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 /13:572 /14:1195 /15:2098 /16:13433 /17:8177 /18:13717 /19:24805 /20:43257 /21:50992 /22:109366 /23:98477 /24:553802 /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 6416 7327 UNI2-AS, ES 8151 5616 11619 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2925 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3552 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 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) ---------------------------------------------- 1:2204 2:1337 3:231 4:5 5:4502 6:134 7:6 8:1517 9:1 11:172 12:1517 13:384 14:2291 15:302 16:193 17:374 18:594 20:273 21:4 22:188 23:6357 24:2481 25:6 27:2529 29:19 31:2523 32:78 34:26 35:111 36:1983 37:4657 38:5123 39:837 40:147 41:3906 42:2021 43:2311 44:311 45:16580 46:4304 47:384 49:1776 50:1854 51:585 52:1594 54:391 55:866 56:8 57:121 58:1822 59:1121 60:993 61:2498 62:2675 63:1918 64:5566 65:2290 66:4907 67:3001 68:1318 69:4088 70:1204 71:680 72:2970 74:2612 75:1577 76:615 77:2450 78:1832 79:2974 80:2119 81:1801 82:1494 83:1282 84:1520 85:2960 86:765 87:1998 88:1173 89:3851 90:616 91:7821 92:2060 93:2577 94:3558 95:4033 96:1297 97:319 98:1086 99:735 100:90 101:1315 102:2827 103:31899 104:4566 105:565 106:874 107:2548 108:1088 109:4249 110:2107 111:3133 112:2054 113:1741 114:1643 115:1998 116:1893 117:2577 118:2670 119:1964 120:1784 121:1083 122:2573 123:2142 124:1577 125:2474 128:1394 129:1041 130:1015 131:1951 132:837 133:422 134:1786 135:307 136:897 137:959 138:2627 139:1572 140:1239 141:1289 142:1461 143:1496 144:995 145:343 146:1945 147:1606 148:2411 149:2187 150:879 151:1171 152:1954 153:511 154:4653 155:1374 156:1871 157:1320 158:1080 159:2225 160:2599 161:1563 162:3511 163:1567 164:1699 165:1866 166:975 167:1727 168:3856 169:923 170:4594 171:897 172:3636 173:2962 174:996 175:1176 176:3734 177:4572 178:3596 179:2168 180:2421 181:3489 182:3402 183:1993 184:2299 185:20509 186:4749 187:4122 188:4120 189:3785 190:9218 191:1396 192:10917 193:8928 194:7281 195:5166 196:3164 197:2377 198:5908 199:6078 200:7922 201:5978 202:10244 203:10034 204:4525 205:3639 206:4237 207:3375 208:4133 209:4892 210:4197 211:2439 212:4242 213:3580 214:1091 215:60 216:6689 217:2765 218:1267 219:414 220:1797 221:968 222:668 223:2161 End of report