IPv4 R&E Routing Table Report 23:05 GMT Tue 30 Jul, 2024 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: 946064 Prefixes after maximum aggregation (per Origin AS): 362986 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466935 Number of IPv4 prefixes with a valid ROA: 488448 Number of IPv4 prefixes with an invalid ROA: 1030 Number of IPv4 prefixes with no ROA: 456586 Total ASes present in the Internet Routing Table: 75802 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65170 Origin ASes announcing only one prefix: 26696 Transit ASes present in the Internet Routing Table: 10632 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 991 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 45047 Number of 32-bit ASNs visible in the Routing Table: 36739 Prefixes from 32-bit ASNs in the Routing Table: 189130 Number of bogon 32-bit ASNs visible in the Routing Table: 41 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 536 Number of addresses announced to Internet: 3025161216 Equivalent to 180 /8s, 80 /16s and 76 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310594 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249780 Total APNIC prefixes after maximum aggregation: 74088 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241754 Unique aggregates announced from the APNIC address blocks: 101804 APNIC Region origin ASes present in the Internet Routing Table: 14193 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4321 APNIC Region transit ASes present in the Internet Routing Table: 1882 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9662 Number of APNIC addresses announced to Internet: 761567488 Equivalent to 45 /8s, 100 /16s and 153 /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: 276819 Total ARIN prefixes after maximum aggregation: 125169 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281330 Unique aggregates announced from the ARIN address blocks: 135082 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.75 ARIN Region origin ASes announcing only one prefix: 6945 ARIN Region transit ASes present in the Internet Routing Table: 1893 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4938 Number of ARIN addresses announced to Internet: 1266790656 Equivalent to 75 /8s, 129 /16s and 177 /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, 393216-402332 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: 265282 Total RIPE prefixes after maximum aggregation: 127800 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260821 Unique aggregates announced from the RIPE address blocks: 165441 RIPE Region origin ASes present in the Internet Routing Table: 28656 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3911 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11896 Number of RIPE addresses announced to Internet: 714524416 Equivalent to 42 /8s, 150 /16s and 199 /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: 121635 Total LACNIC prefixes after maximum aggregation: 29002 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119597 Unique aggregates announced from the LACNIC address blocks: 50406 LACNIC Region origin ASes present in the Internet Routing Table: 11123 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2430 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9018 Number of LACNIC addresses announced to Internet: 177038336 Equivalent to 10 /8s, 141 /16s and 100 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31557 Total AfriNIC prefixes after maximum aggregation: 6269 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42026 Unique aggregates announced from the AfriNIC address blocks: 13751 AfriNIC Region origin ASes present in the Internet Routing Table: 1864 AfriNIC Prefixes per ASN: 22.55 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1225 Number of AfriNIC addresses announced to Internet: 104940544 Equivalent to 6 /8s, 65 /16s and 68 /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 9861 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5665 777 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3964 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3790 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3242 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2818 860 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 434 201 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10280 11566 3641 AMAZON-02, US 11492 4621 307 549 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3834 8787 879 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3424 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54899 2506 DNIC-AS-00749, US 16625 3007 1300 2171 AKAMAI-AS, US 7018 2922 23688 1833 ATT-INTERNET4, US 396982 2766 3596 414 GOOGLE-CLOUD-PLATFORM, 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 7716 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3804 3396 129 AKAMAI-ASN1, NL 9009 3561 304 1836 M247, RO 12389 2863 2291 857 ROSTELECOM-AS, RU 34984 2358 363 574 TELLCOM-AS, TR 8551 1778 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1730 124 1266 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 1852 14 TE-AS TE-AS, EG 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 11882 3307 510 UNINET, MX 10620 3530 493 933 Telmex Colombia S.A., CO 13999 2544 355 676 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 769 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1098 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 19037 1081 278 31 AMX Argentina S.A., AR 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 1612 389 16 LINKdotNET-AS, EG 24835 1559 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1298 82 75 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 547 82 3 KENET-AS, KE 37342 512 32 1 MOVITEL, MZ 36947 402 1063 15 ALGTEL-AS, DZ 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 11882 3307 510 UNINET, MX 16509 10280 11566 3641 AMAZON-02, US 9808 9861 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7716 1708 145 UNI2-AS, ES 7545 5665 777 670 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4621 307 549 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4217 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3964 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9861 9787 CHINAMOBILE-CN China Mobile Communications Grou 12479 7716 7571 UNI2-AS, ES 16509 10280 6639 AMAZON-02, US 7545 5665 4995 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4217 4194 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4621 4072 CABLEONE, US 7552 3964 3943 VIETEL-AS-AP Viettel Group, VN 20940 3804 3675 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 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 /9:16 /10:37 /11:92 /12:294 /13:569 /14:1161 /15:2050 /16:13123 /17:8142 /18:13567 /19:24323 /20:43135 /21:51272 /22:110671 /23:99229 /24:578359 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6802 7716 UNI2-AS, ES 8151 5940 11882 UNINET, MX 11492 3532 4621 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3424 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2159 3530 Telmex Colombia S.A., CO 16509 2157 10280 AMAZON-02, US 30036 2153 2492 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2282 2:1507 3:389 4:6 5:4366 6:161 7:6 8:1512 9:1 11:172 12:1433 13:368 14:2335 15:326 16:220 17:365 18:786 20:385 21:4 22:188 23:6893 24:2694 25:2 27:2619 29:19 31:2598 32:44 34:67 35:135 36:2345 37:4489 38:8139 39:912 40:150 41:4072 42:1995 43:2383 44:329 45:17351 46:4553 47:301 49:1963 50:1850 51:579 52:1576 54:319 55:927 56:8 57:212 58:2147 59:1200 60:1052 61:2690 62:2761 63:1864 64:5422 65:2278 66:4590 67:2997 68:1331 69:4010 70:1157 71:558 72:2857 74:2597 75:1559 76:614 77:2502 78:1860 79:1783 80:2168 81:2009 82:1659 83:1360 84:1699 85:3171 86:938 87:2020 88:1245 89:4199 90:701 91:8189 92:2349 93:2715 94:3733 95:4207 96:1277 97:317 98:1037 99:739 100:73 101:1165 102:3313 103:32216 104:4753 105:698 106:1001 107:2495 108:1157 109:4048 110:2121 111:3209 112:2054 113:1811 114:1807 115:2028 116:1946 117:2648 118:2801 119:1977 120:1796 121:1290 122:2690 123:2255 124:1611 125:2827 126:64 128:1365 129:928 130:1171 131:1858 132:812 133:415 134:1714 135:310 136:1126 137:1060 138:2843 139:1527 140:1404 141:1383 142:1672 143:1625 144:1018 145:358 146:2095 147:2004 148:2532 149:2759 150:1031 151:1349 152:2232 153:523 154:6425 155:1438 156:2331 157:1908 158:1175 159:2428 160:2860 161:1708 162:3525 163:1704 164:1680 165:2139 166:1256 167:1819 168:4015 169:805 170:4901 171:1030 172:3875 173:3062 174:896 175:1245 176:3454 177:4632 178:3636 179:2207 180:2425 181:3802 182:3324 183:1973 184:2257 185:20896 186:4961 187:4330 188:4081 189:4106 190:9487 191:1523 192:11015 193:9156 194:7477 195:5302 196:3197 197:2624 198:5909 199:8001 200:8091 201:6316 202:10250 203:10304 204:4533 205:3642 206:4436 207:3503 208:4152 209:4986 210:4471 211:2534 212:4362 213:3624 214:1071 215:49 216:6716 217:2936 218:1328 219:432 220:1807 221:1035 222:699 223:2217 End of report