IPv4 R&E Routing Table Report 23:05 GMT Tue 14 Nov, 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: 927530 Prefixes after maximum aggregation (per Origin AS): 354355 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454230 Number of IPv4 prefixes with a valid ROA: 428243 Number of IPv4 prefixes with an invalid ROA: 1615 Number of IPv4 prefixes with no ROA: 497672 Total ASes present in the Internet Routing Table: 74847 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64389 Origin ASes announcing only one prefix: 26451 Transit ASes present in the Internet Routing Table: 10458 Transit-only ASes present in the Internet Routing Table: 464 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 997 Number of instances of unregistered ASNs: 999 Number of 32-bit ASNs allocated by the RIRs: 43047 Number of 32-bit ASNs visible in the Routing Table: 35317 Prefixes from 32-bit ASNs in the Routing Table: 176749 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3049675264 Equivalent to 181 /8s, 198 /16s and 90 /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: 309418 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243072 Total APNIC prefixes after maximum aggregation: 70837 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236260 Unique aggregates announced from the APNIC address blocks: 98854 APNIC Region origin ASes present in the Internet Routing Table: 13656 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4093 APNIC Region transit ASes present in the Internet Routing Table: 1829 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9052 Number of APNIC addresses announced to Internet: 771580416 Equivalent to 45 /8s, 253 /16s and 98 /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: 272206 Total ARIN prefixes after maximum aggregation: 123880 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276765 Unique aggregates announced from the ARIN address blocks: 132243 ARIN Region origin ASes present in the Internet Routing Table: 19027 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4815 Number of ARIN addresses announced to Internet: 1276588544 Equivalent to 76 /8s, 23 /16s and 50 /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: 261712 Total RIPE prefixes after maximum aggregation: 124423 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256294 Unique aggregates announced from the RIPE address blocks: 160567 RIPE Region origin ASes present in the Internet Routing Table: 28468 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12098 RIPE Region transit ASes present in the Internet Routing Table: 3908 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11432 Number of RIPE addresses announced to Internet: 715275008 Equivalent to 42 /8s, 162 /16s and 59 /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: 119290 Total LACNIC prefixes after maximum aggregation: 28477 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118077 Unique aggregates announced from the LACNIC address blocks: 49352 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2328 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: 8874 Number of LACNIC addresses announced to Internet: 178329856 Equivalent to 10 /8s, 161 /16s and 25 /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: 30253 Total AfriNIC prefixes after maximum aggregation: 6041 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39627 Unique aggregates announced from the AfriNIC address blocks: 12792 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 624 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1144 Number of AfriNIC addresses announced to Internet: 107480320 Equivalent to 6 /8s, 104 /16s and 5 /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 9716 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5704 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4249 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3636 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3262 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3251 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2581 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 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 9235 11062 3323 AMAZON-02, US 11492 4555 302 676 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3506 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3115 1387 2295 AKAMAI-AS, US 367 3025 3869 1433 DNIC-ASBLK-00306-00371, US 396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US 7018 2513 23615 1590 ATT-INTERNET4, 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 7455 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4017 3397 141 AKAMAI-ASN1, NL 8551 3441 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3423 297 1589 M247, RO 12389 2898 2295 912 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1651 910 584 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1524 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 12038 3378 600 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2452 335 635 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1333 2322 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 778 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 11664 1070 172 435 Techtel LMDS Comunicaciones Interactiva 26615 1039 2502 52 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 1611 393 19 LINKdotNET-AS, EG 24835 1533 545 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 934 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 503 53 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 480 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 12038 3378 600 UNINET, MX 9808 9716 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9235 11062 3323 AMAZON-02, US 12479 7455 1713 145 UNI2-AS, ES 7545 5704 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4555 302 676 CABLEONE, US 18403 4249 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4017 3397 141 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 9716 9676 CHINAMOBILE-CN China Mobile Communications Grou 12479 7455 7310 UNI2-AS, ES 16509 9235 5912 AMAZON-02, US 7545 5704 5011 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4249 4224 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4555 3879 CABLEONE, US 20940 4017 3876 AKAMAI-ASN1, NL 7552 3636 3616 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 3356 LEVEL3, 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 23.165.72.0/24 Origin: 399226 SPEEDFI, CA 23.165.72.0/24 Transit: 174 COGENT-174, 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 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 /11:100 /12:299 /13:578 /14:1193 /15:2055 /16:13422 /17:8222 /18:13674 /19:24799 /20:43163 /21:51117 /22:109978 /23:98961 /24:559892 /25:0 /26:2 /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 6544 7455 UNI2-AS, ES 8151 6046 12038 UNINET, MX 11492 3468 4555 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2918 3441 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2562 3506 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2134 2479 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3545 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) ---------------------------------------------- 1:2220 2:1415 3:273 4:5 5:4380 6:161 7:6 8:1502 9:1 11:172 12:1495 13:362 14:2312 15:304 16:201 17:362 18:676 20:320 21:4 22:188 23:6498 24:2553 25:2 27:2573 29:19 31:2558 32:55 34:31 35:115 36:2027 37:4446 38:5603 39:877 40:149 41:4013 42:2065 43:2273 44:329 45:16757 46:4350 47:373 49:1857 50:1879 51:577 52:1590 54:393 55:883 56:5 57:126 58:1815 59:1113 60:1009 61:2590 62:2700 63:1866 64:5497 65:2345 66:4966 67:3052 68:1345 69:4097 70:1174 71:606 72:2905 74:2627 75:1563 76:632 77:2335 78:1826 79:3015 80:2108 81:1847 82:1518 83:1302 84:1596 85:2970 86:754 87:1942 88:1229 89:3943 90:632 91:7872 92:2131 93:2637 94:3569 95:3991 96:1300 97:315 98:1077 99:737 100:91 101:1388 102:2951 103:32248 104:4814 105:573 106:975 107:2779 108:1134 109:4210 110:2124 111:3131 112:2071 113:1657 114:1705 115:1994 116:1915 117:2555 118:2713 119:1939 120:1767 121:1184 122:2610 123:2177 124:1579 125:2623 128:1418 129:905 130:1048 131:1974 132:805 133:408 134:1715 135:299 136:913 137:987 138:2707 139:1563 140:1327 141:1326 142:1542 143:1524 144:1003 145:340 146:1966 147:1626 148:2453 149:2334 150:875 151:1249 152:1967 153:535 154:5322 155:1383 156:2119 157:1350 158:1055 159:2193 160:2614 161:1594 162:3540 163:1603 164:1639 165:1855 166:1067 167:1745 168:3829 169:787 170:4668 171:971 172:3859 173:2981 174:953 175:1191 176:3606 177:4584 178:3514 179:2194 180:2255 181:3595 182:3372 183:2005 184:2274 185:20635 186:4741 187:4211 188:4051 189:3936 190:9335 191:1454 192:10965 193:8964 194:7290 195:5113 196:3206 197:2494 198:5915 199:6464 200:7993 201:6213 202:10236 203:10004 204:4537 205:3669 206:4366 207:3411 208:4078 209:4873 210:4233 211:2458 212:4267 213:3398 214:1118 215:71 216:6719 217:2779 218:1293 219:412 220:1802 221:1003 222:688 223:2181 End of report