IPv4 R&E Routing Table Report 23:05 GMT Sun 03 Sep, 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: 920924 Prefixes after maximum aggregation (per Origin AS): 350979 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452464 Number of IPv4 prefixes with a valid ROA: 417908 Number of IPv4 prefixes with an invalid ROA: 1696 Number of IPv4 prefixes with no ROA: 501320 Total ASes present in the Internet Routing Table: 74564 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64163 Origin ASes announcing only one prefix: 26317 Transit ASes present in the Internet Routing Table: 10401 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 1014 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 42572 Number of 32-bit ASNs visible in the Routing Table: 34968 Prefixes from 32-bit ASNs in the Routing Table: 174032 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3055292416 Equivalent to 182 /8s, 28 /16s and 16 /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: 99.5 Total number of prefixes smaller than registry allocations: 307680 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240974 Total APNIC prefixes after maximum aggregation: 69764 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234698 Unique aggregates announced from the APNIC address blocks: 98646 APNIC Region origin ASes present in the Internet Routing Table: 13513 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 4001 APNIC Region transit ASes present in the Internet Routing Table: 1799 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8901 Number of APNIC addresses announced to Internet: 772413184 Equivalent to 46 /8s, 10 /16s and 23 /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: 270949 Total ARIN prefixes after maximum aggregation: 123555 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273180 Unique aggregates announced from the ARIN address blocks: 131281 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1876 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: 4819 Number of ARIN addresses announced to Internet: 1279342848 Equivalent to 76 /8s, 65 /16s and 57 /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: 259861 Total RIPE prefixes after maximum aggregation: 122648 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256447 Unique aggregates announced from the RIPE address blocks: 160035 RIPE Region origin ASes present in the Internet Routing Table: 28375 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3894 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: 11293 Number of RIPE addresses announced to Internet: 716749056 Equivalent to 42 /8s, 184 /16s and 185 /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: 118253 Total LACNIC prefixes after maximum aggregation: 28364 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117289 Unique aggregates announced from the LACNIC address blocks: 49253 LACNIC Region origin ASes present in the Internet Routing Table: 11013 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2323 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8832 Number of LACNIC addresses announced to Internet: 178589440 Equivalent to 10 /8s, 165 /16s and 15 /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: 29873 Total AfriNIC prefixes after maximum aggregation: 5947 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38769 Unique aggregates announced from the AfriNIC address blocks: 12801 AfriNIC Region origin ASes present in the Internet Routing Table: 1779 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1123 Number of AfriNIC addresses announced to Internet: 107762176 Equivalent to 6 /8s, 108 /16s and 82 /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 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3337 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3123 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2492 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 589 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 9007 10981 3260 AMAZON-02, US 11492 4524 300 649 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3558 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3029 1459 2286 AKAMAI-AS, US 367 2964 3833 1395 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 369 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 7342 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4076 3398 152 AKAMAI-ASN1, NL 8551 3458 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 914 ROSTELECOM-AS, RU 9009 2678 247 1380 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1511 101 1177 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 11728 3364 602 UNINET, MX 10620 3537 506 849 Telmex Colombia S.A., CO 13999 2453 364 642 Mega Cable, S.A. de C.V., MX 11830 1998 369 65 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1120 182 433 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1028 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1357 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 422 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 11728 3364 602 UNINET, MX 9808 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9007 10981 3260 AMAZON-02, US 12479 7342 1713 145 UNI2-AS, ES 7545 5725 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4076 3398 152 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 9493 9453 CHINAMOBILE-CN China Mobile Communications Grou 12479 7342 7197 UNI2-AS, ES 16509 9007 5747 AMAZON-02, US 7545 5725 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4076 3924 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7552 3734 3714 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 /12:298 /13:576 /14:1195 /15:2098 /16:13460 /17:8201 /18:13720 /19:24802 /20:43316 /21:50884 /22:109327 /23:98638 /24:554230 /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 6428 7342 UNI2-AS, ES 8151 5753 11728 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2926 3458 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2100 3537 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) ---------------------------------------------- 1:2226 2:1397 3:257 4:5 5:4554 6:137 7:6 8:1511 9:1 11:172 12:1510 13:370 14:2303 15:302 16:192 17:366 18:633 20:281 21:4 22:188 23:6384 24:2484 25:6 27:2555 29:19 31:2529 32:77 34:26 35:114 36:1991 37:4523 38:5160 39:869 40:147 41:4024 42:2100 43:2254 44:321 45:16544 46:4264 47:383 49:1788 50:1853 51:595 52:1597 54:391 55:964 56:8 57:122 58:1793 59:1120 60:999 61:2523 62:2679 63:1921 64:5571 65:2325 66:4896 67:3025 68:1339 69:4135 70:1189 71:657 72:2960 74:2610 75:1565 76:616 77:2328 78:1835 79:2985 80:2118 81:1822 82:1458 83:1282 84:1522 85:2963 86:753 87:1998 88:1177 89:3830 90:616 91:7811 92:2067 93:2619 94:3526 95:4007 96:1295 97:321 98:1077 99:734 100:90 101:1303 102:2906 103:32002 104:4579 105:559 106:881 107:2600 108:1134 109:4214 110:2127 111:3131 112:2059 113:1743 114:1653 115:1994 116:1899 117:2518 118:2699 119:1982 120:1784 121:1085 122:2572 123:2140 124:1581 125:2498 128:1407 129:916 130:1027 131:1949 132:851 133:418 134:1788 135:307 136:908 137:969 138:2630 139:1563 140:1195 141:1294 142:1479 143:1485 144:993 145:346 146:1934 147:1602 148:2428 149:2239 150:869 151:1232 152:1985 153:518 154:4879 155:1388 156:1934 157:1324 158:1081 159:2225 160:2584 161:1584 162:3515 163:1582 164:1700 165:1846 166:1009 167:1725 168:3708 169:905 170:4639 171:888 172:3685 173:2956 174:987 175:1181 176:3778 177:4455 178:3543 179:2103 180:2445 181:3452 182:3318 183:1997 184:2284 185:20515 186:4731 187:4154 188:4134 189:3787 190:9238 191:1343 192:10927 193:8939 194:7259 195:5192 196:3174 197:2441 198:5906 199:6099 200:7877 201:6023 202:10207 203:9993 204:4531 205:3650 206:4258 207:3384 208:4124 209:4901 210:4186 211:2445 212:4228 213:3398 214:1089 215:59 216:6665 217:2778 218:1266 219:403 220:1801 221:977 222:665 223:2144 End of report