IPv4 R&E Routing Table Report 23:05 GMT Sat 29 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: 920681 Prefixes after maximum aggregation (per Origin AS): 350136 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452178 Number of IPv4 prefixes with a valid ROA: 414792 Number of IPv4 prefixes with an invalid ROA: 1570 Number of IPv4 prefixes with no ROA: 504319 Total ASes present in the Internet Routing Table: 74470 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63966 Origin ASes announcing only one prefix: 26292 Transit ASes present in the Internet Routing Table: 10504 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 1083 Number of instances of unregistered ASNs: 1085 Number of 32-bit ASNs allocated by the RIRs: 42351 Number of 32-bit ASNs visible in the Routing Table: 34824 Prefixes from 32-bit ASNs in the Routing Table: 173218 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: 581 Number of addresses announced to Internet: 3052846848 Equivalent to 181 /8s, 246 /16s and 191 /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: 308013 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240429 Total APNIC prefixes after maximum aggregation: 69280 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234264 Unique aggregates announced from the APNIC address blocks: 98756 APNIC Region origin ASes present in the Internet Routing Table: 13469 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3996 APNIC Region transit ASes present in the Internet Routing Table: 1793 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: 8848 Number of APNIC addresses announced to Internet: 772936960 Equivalent to 46 /8s, 18 /16s and 21 /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: 270552 Total ARIN prefixes after maximum aggregation: 123270 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272611 Unique aggregates announced from the ARIN address blocks: 130735 ARIN Region origin ASes present in the Internet Routing Table: 19043 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 1276652800 Equivalent to 76 /8s, 24 /16s and 45 /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: 260308 Total RIPE prefixes after maximum aggregation: 122548 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257017 Unique aggregates announced from the RIPE address blocks: 159853 RIPE Region origin ASes present in the Internet Routing Table: 28338 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3959 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: 11253 Number of RIPE addresses announced to Internet: 716738048 Equivalent to 42 /8s, 184 /16s and 142 /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: 118368 Total LACNIC prefixes after maximum aggregation: 28401 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117497 Unique aggregates announced from the LACNIC address blocks: 49643 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2333 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8810 Number of LACNIC addresses announced to Internet: 178582528 Equivalent to 10 /8s, 164 /16s and 244 /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: 29941 Total AfriNIC prefixes after maximum aggregation: 5903 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38711 Unique aggregates announced from the AfriNIC address blocks: 12710 AfriNIC Region origin ASes present in the Internet Routing Table: 1765 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 107597056 Equivalent to 6 /8s, 105 /16s and 205 /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 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3699 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3365 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3049 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2466 838 438 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2180 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 8811 10937 3176 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3535 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3130 1550 2343 AKAMAI-AS, US 367 2954 3836 1393 DNIC-ASBLK-00306-00371, US 396982 2678 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2511 359 358 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 7310 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4066 3398 157 AKAMAI-ASN1, NL 8551 3452 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2293 912 ROSTELECOM-AS, RU 9009 2675 247 1396 M247, RO 34984 2318 362 603 TELLCOM-AS, TR 58224 1817 944 535 TCI, IR 6849 1763 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 11620 3388 602 UNINET, MX 10620 3533 507 832 Telmex Colombia S.A., CO 13999 2414 361 633 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 344 510 Axtel, S.A.B. de C.V., MX 6147 1124 370 22 Telefonica del Peru S.A.A., PE 11664 1109 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1036 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 1355 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1050 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 482 73 5 EthioNet-AS, ET 15399 447 54 47 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 11620 3388 602 UNINET, MX 9808 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8811 10937 3176 AMAZON-02, US 12479 7310 1706 141 UNI2-AS, ES 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4066 3398 157 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 9515 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7310 7169 UNI2-AS, ES 16509 8811 5635 AMAZON-02, US 7545 5679 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4066 3909 AKAMAI-ASN1, NL 11492 4525 3905 CABLEONE, US 7552 3699 3678 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 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 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 /11:102 /12:297 /13:576 /14:1196 /15:2103 /16:13437 /17:8197 /18:13744 /19:24867 /20:43276 /21:51067 /22:109501 /23:98317 /24:553924 /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 6400 7310 UNI2-AS, ES 8151 5588 11620 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2921 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3535 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3533 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) ---------------------------------------------- 1:2182 2:1343 3:245 4:5 5:4492 6:131 7:6 8:1511 9:1 11:172 12:1523 13:370 14:2297 15:302 16:194 17:372 18:539 20:271 21:4 22:188 23:6354 24:2467 25:4 27:2532 29:19 31:2538 32:78 34:26 35:111 36:1979 37:4688 38:5090 39:832 40:147 41:3888 42:2026 43:2304 44:307 45:16606 46:4343 47:381 49:1776 50:1850 51:583 52:1593 54:393 55:961 56:8 57:121 58:1820 59:1119 60:990 61:2511 62:2667 63:1919 64:5558 65:2290 66:4919 67:3040 68:1326 69:4080 70:1204 71:680 72:2976 74:2624 75:1580 76:615 77:2442 78:1830 79:2968 80:2117 81:1798 82:1491 83:1268 84:1527 85:2974 86:766 87:2017 88:1175 89:3861 90:619 91:7801 92:2058 93:2599 94:3569 95:4037 96:1293 97:329 98:1148 99:735 100:95 101:1309 102:2868 103:31810 104:4545 105:568 106:877 107:2549 108:1091 109:4238 110:2104 111:3129 112:2056 113:1740 114:1633 115:1994 116:1895 117:2564 118:2676 119:1976 120:1787 121:1078 122:2562 123:2134 124:1576 125:2481 128:1397 129:1040 130:1016 131:1962 132:840 133:422 134:1787 135:306 136:888 137:959 138:2618 139:1560 140:1240 141:1306 142:1462 143:1490 144:980 145:342 146:1947 147:1590 148:2404 149:2166 150:878 151:1169 152:1959 153:507 154:4687 155:1377 156:1878 157:1325 158:1094 159:2224 160:2592 161:1570 162:3507 163:1553 164:1711 165:1863 166:1022 167:1734 168:3859 169:931 170:4586 171:891 172:3640 173:2979 174:1042 175:1175 176:3729 177:4462 178:3618 179:2161 180:2436 181:3484 182:3402 183:1993 184:2294 185:20496 186:4733 187:4104 188:4096 189:3720 190:9218 191:1383 192:10899 193:8928 194:7293 195:5157 196:3211 197:2467 198:5927 199:6079 200:7913 201:5901 202:10277 203:10044 204:4549 205:3647 206:4286 207:3376 208:4093 209:4893 210:4183 211:2438 212:4261 213:3589 214:1093 215:60 216:6699 217:2761 218:1260 219:415 220:1793 221:961 222:682 223:2157 End of report