IPv4 R&E Routing Table Report 23:05 GMT Tue 05 Dec, 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: 927905 Prefixes after maximum aggregation (per Origin AS): 355336 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455308 Number of IPv4 prefixes with a valid ROA: 430963 Number of IPv4 prefixes with an invalid ROA: 1292 Number of IPv4 prefixes with no ROA: 495650 Total ASes present in the Internet Routing Table: 74878 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64434 Origin ASes announcing only one prefix: 26500 Transit ASes present in the Internet Routing Table: 10444 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1008 Number of instances of unregistered ASNs: 1010 Number of 32-bit ASNs allocated by the RIRs: 43154 Number of 32-bit ASNs visible in the Routing Table: 35391 Prefixes from 32-bit ASNs in the Routing Table: 177318 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 529 Number of addresses announced to Internet: 3047414016 Equivalent to 181 /8s, 163 /16s and 217 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308470 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244049 Total APNIC prefixes after maximum aggregation: 71241 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237270 Unique aggregates announced from the APNIC address blocks: 99459 APNIC Region origin ASes present in the Internet Routing Table: 13710 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4116 APNIC Region transit ASes present in the Internet Routing Table: 1838 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9100 Number of APNIC addresses announced to Internet: 770793472 Equivalent to 45 /8s, 241 /16s and 96 /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: 272175 Total ARIN prefixes after maximum aggregation: 124091 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276758 Unique aggregates announced from the ARIN address blocks: 132511 ARIN Region origin ASes present in the Internet Routing Table: 19025 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1853 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4810 Number of ARIN addresses announced to Internet: 1275973376 Equivalent to 76 /8s, 13 /16s and 207 /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: 260632 Total RIPE prefixes after maximum aggregation: 124738 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255219 Unique aggregates announced from the RIPE address blocks: 160619 RIPE Region origin ASes present in the Internet Routing Table: 28459 RIPE Prefixes per ASN: 8.97 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3887 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: 11445 Number of RIPE addresses announced to Internet: 714374912 Equivalent to 42 /8s, 148 /16s and 127 /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: 119735 Total LACNIC prefixes after maximum aggregation: 28555 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118486 Unique aggregates announced from the LACNIC address blocks: 49440 LACNIC Region origin ASes present in the Internet Routing Table: 11044 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2350 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8889 Number of LACNIC addresses announced to Internet: 178374144 Equivalent to 10 /8s, 161 /16s and 198 /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: 30306 Total AfriNIC prefixes after maximum aggregation: 6031 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39643 Unique aggregates announced from the AfriNIC address blocks: 12847 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 632 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107532032 Equivalent to 6 /8s, 104 /16s and 207 /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 9739 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3643 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3596 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3384 494 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3259 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2635 853 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 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 9373 11176 3327 AMAZON-02, US 11492 4560 302 674 CABLEONE, US 7155 4165 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3495 3034 288 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3145 1396 2304 AKAMAI-AS, US 367 2994 3841 1420 DNIC-ASBLK-00306-00371, US 396982 2723 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2552 23610 1593 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 7522 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 3999 3397 140 AKAMAI-ASN1, NL 9009 3480 299 1623 M247, RO 12389 2886 2301 910 ROSTELECOM-AS, RU 8551 2407 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2323 360 589 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 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 12132 3378 608 UNINET, MX 10620 3526 499 871 Telmex Colombia S.A., CO 13999 2476 338 641 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1089 174 437 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 36914 508 82 3 KENET-AS, KE 37342 491 32 1 MOVITEL, MZ 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 12132 3378 608 UNINET, MX 9808 9739 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9373 11176 3327 AMAZON-02, US 12479 7522 1714 146 UNI2-AS, ES 7545 5679 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4560 302 674 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4165 288 95 VIASAT-SP-BACKBONE, US 20940 3999 3397 140 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 9739 9698 CHINAMOBILE-CN China Mobile Communications Grou 12479 7522 7376 UNI2-AS, ES 16509 9373 6046 AMAZON-02, US 7545 5679 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4407 4382 FPT-AS-AP FPT Telecom Company, VN 7155 4165 4070 VIASAT-SP-BACKBONE, US 11492 4560 3886 CABLEONE, US 20940 3999 3859 AKAMAI-ASN1, NL 7552 3643 3623 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 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, 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 23.176.160.0/24 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 /11:99 /12:298 /13:578 /14:1189 /15:2057 /16:13411 /17:8186 /18:13689 /19:24769 /20:43091 /21:51104 /22:109935 /23:99102 /24:560321 /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 6615 7522 UNI2-AS, ES 8151 6138 12132 UNINET, MX 11492 3474 4560 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3112 4165 VIASAT-SP-BACKBONE, US 22773 2561 3495 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2126 2470 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3526 Telmex Colombia S.A., CO 16509 1918 9373 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2243 2:1427 3:279 4:5 5:4387 6:160 7:6 8:1491 9:1 11:172 12:1488 13:371 14:2318 15:304 16:205 17:360 18:702 20:318 21:4 22:188 23:6519 24:2567 25:2 27:2575 29:19 31:2549 32:53 34:33 35:116 36:2048 37:4462 38:5696 39:881 40:150 41:4085 42:2122 43:2296 44:328 45:16657 46:4364 47:310 49:1898 50:1871 51:573 52:1590 54:393 55:877 56:5 57:125 58:1845 59:1113 60:1009 61:2585 62:2720 63:1902 64:5474 65:2345 66:4976 67:3044 68:1355 69:4085 70:1172 71:608 72:2927 74:2615 75:1565 76:624 77:2272 78:1824 79:2662 80:2115 81:1852 82:1516 83:1323 84:1607 85:2955 86:777 87:1970 88:1232 89:3953 90:638 91:7870 92:2167 93:2637 94:3558 95:3989 96:1298 97:317 98:1016 99:737 100:94 101:1414 102:2982 103:32418 104:4785 105:592 106:977 107:2747 108:1136 109:3556 110:2131 111:3146 112:2076 113:1693 114:1741 115:1997 116:1923 117:2569 118:2745 119:1950 120:1766 121:1232 122:2623 123:2165 124:1595 125:2745 128:1429 129:898 130:1048 131:1992 132:819 133:410 134:1718 135:299 136:914 137:983 138:2721 139:1557 140:1337 141:1354 142:1535 143:1540 144:1003 145:342 146:1984 147:1632 148:2452 149:2331 150:1009 151:1287 152:1830 153:526 154:5279 155:1375 156:2110 157:1366 158:1085 159:2195 160:2618 161:1615 162:3555 163:1629 164:1621 165:1862 166:1101 167:1761 168:3818 169:797 170:4679 171:971 172:3762 173:3003 174:901 175:1209 176:3585 177:4615 178:3528 179:2208 180:2320 181:3600 182:3403 183:2024 184:2252 185:20419 186:4755 187:4279 188:3995 189:3991 190:9320 191:1483 192:10971 193:8961 194:7295 195:5200 196:3138 197:2629 198:5923 199:6624 200:8067 201:6236 202:10205 203:10038 204:4579 205:3654 206:4358 207:3402 208:4083 209:4873 210:4257 211:2465 212:4216 213:3389 214:1118 215:63 216:6745 217:2748 218:1288 219:412 220:1798 221:1012 222:701 223:2194 End of report