IPv4 R&E Routing Table Report 23:05 GMT Sat 07 Oct, 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: 925448 Prefixes after maximum aggregation (per Origin AS): 352473 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453288 Number of IPv4 prefixes with a valid ROA: 424157 Number of IPv4 prefixes with an invalid ROA: 1694 Number of IPv4 prefixes with no ROA: 499597 Total ASes present in the Internet Routing Table: 74721 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64278 Origin ASes announcing only one prefix: 26444 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 989 Number of instances of unregistered ASNs: 991 Number of 32-bit ASNs allocated by the RIRs: 42793 Number of 32-bit ASNs visible in the Routing Table: 35157 Prefixes from 32-bit ASNs in the Routing Table: 175470 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3051983872 Equivalent to 181 /8s, 233 /16s and 148 /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: 99.5 Total number of prefixes smaller than registry allocations: 309556 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241499 Total APNIC prefixes after maximum aggregation: 70233 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235120 Unique aggregates announced from the APNIC address blocks: 98914 APNIC Region origin ASes present in the Internet Routing Table: 13594 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4071 APNIC Region transit ASes present in the Internet Routing Table: 1812 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8984 Number of APNIC addresses announced to Internet: 772199168 Equivalent to 46 /8s, 6 /16s and 211 /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: 272208 Total ARIN prefixes after maximum aggregation: 123384 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 275808 Unique aggregates announced from the ARIN address blocks: 131815 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1878 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1277111808 Equivalent to 76 /8s, 31 /16s and 46 /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: 261929 Total RIPE prefixes after maximum aggregation: 123805 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256977 Unique aggregates announced from the RIPE address blocks: 160073 RIPE Region origin ASes present in the Internet Routing Table: 28424 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3918 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: 11352 Number of RIPE addresses announced to Internet: 716176896 Equivalent to 42 /8s, 175 /16s and 254 /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: 118719 Total LACNIC prefixes after maximum aggregation: 28379 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117685 Unique aggregates announced from the LACNIC address blocks: 49363 LACNIC Region origin ASes present in the Internet Routing Table: 11038 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2710 LACNIC Region transit ASes present in the Internet Routing Table: 2322 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8863 Number of LACNIC addresses announced to Internet: 178401280 Equivalent to 10 /8s, 162 /16s and 48 /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: 30104 Total AfriNIC prefixes after maximum aggregation: 5981 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39336 Unique aggregates announced from the AfriNIC address blocks: 12688 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107669760 Equivalent to 6 /8s, 106 /16s and 233 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3333 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3199 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2531 850 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 202 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 9088 10989 3269 AMAZON-02, US 11492 4537 301 671 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3518 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3016 3845 1419 DNIC-ASBLK-00306-00371, US 16625 3006 1411 2297 AKAMAI-AS, US 396982 2700 3597 396 GOOGLE-CLOUD-PLATFORM, US 30036 2498 359 372 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 7386 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4070 3398 152 AKAMAI-ASN1, NL 8551 3448 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3032 273 1502 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2334 362 594 TELLCOM-AS, TR 58224 1720 923 530 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1517 1852 16 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 11825 3378 605 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2412 332 626 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1077 169 428 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1606 393 19 LINKdotNET-AS, EG 24835 1535 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 540 55 53 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 479 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 11825 3378 605 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9088 10989 3269 AMAZON-02, US 12479 7386 1713 145 UNI2-AS, ES 7545 5734 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 671 CABLEONE, US 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4070 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7386 7241 UNI2-AS, ES 16509 9088 5819 AMAZON-02, US 7545 5734 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4246 4221 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4070 3918 AKAMAI-ASN1, NL 11492 4537 3866 CABLEONE, US 7552 3588 3568 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 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 /10:37 /11:101 /12:299 /13:577 /14:1194 /15:2092 /16:13449 /17:8223 /18:13731 /19:24849 /20:43344 /21:51188 /22:109635 /23:98640 /24:558050 /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 6472 7386 UNI2-AS, ES 8151 5854 11825 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2925 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2573 3518 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2108 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) ---------------------------------------------- 1:2206 2:1429 3:265 4:5 5:4429 6:137 7:6 8:1497 9:1 11:172 12:1502 13:367 14:2320 15:304 16:191 17:367 18:659 20:297 21:4 22:188 23:6435 24:2510 25:2 27:2586 29:19 31:2546 32:75 34:26 35:114 36:2004 37:4538 38:5372 39:871 40:142 41:4003 42:2056 43:2263 44:322 45:16596 46:4269 47:371 49:1828 50:1879 51:581 52:1594 54:390 55:932 56:5 57:127 58:1784 59:1114 60:1003 61:2539 62:2675 63:1909 64:5655 65:2367 66:4963 67:3039 68:1340 69:4149 70:1188 71:665 72:2937 74:2618 75:1563 76:628 77:2299 78:1830 79:2995 80:2094 81:1824 82:1522 83:1307 84:1549 85:3060 86:764 87:2000 88:1206 89:3923 90:623 91:7837 92:2064 93:2616 94:3541 95:4067 96:1301 97:315 98:1082 99:732 100:90 101:1287 102:2926 103:32155 104:4732 105:578 106:905 107:2725 108:1132 109:4229 110:2133 111:3141 112:2058 113:1751 114:1688 115:1995 116:1879 117:2530 118:2701 119:1956 120:1778 121:1127 122:2601 123:2166 124:1575 125:2551 128:1398 129:910 130:1039 131:1982 132:854 133:408 134:1781 135:306 136:971 137:972 138:2637 139:1589 140:1289 141:1324 142:1512 143:1562 144:993 145:351 146:1958 147:1591 148:2447 149:2317 150:875 151:1228 152:1971 153:522 154:5079 155:1390 156:2007 157:1344 158:1056 159:2193 160:2651 161:1596 162:3519 163:1610 164:1693 165:1837 166:1072 167:1741 168:3822 169:797 170:4640 171:943 172:3801 173:2963 174:981 175:1182 176:3762 177:4479 178:3547 179:2143 180:2460 181:3527 182:3363 183:1988 184:2269 185:20626 186:4747 187:4157 188:4153 189:3877 190:9322 191:1393 192:10947 193:8950 194:7308 195:5201 196:3198 197:2483 198:5928 199:6172 200:7905 201:6161 202:10183 203:10003 204:4537 205:3695 206:4334 207:3407 208:4123 209:4872 210:4211 211:2446 212:4286 213:3394 214:1108 215:71 216:6700 217:2773 218:1268 219:405 220:1799 221:981 222:661 223:2145 End of report