IPv4 R&E Routing Table Report 23:05 GMT Thu 07 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: 928192 Prefixes after maximum aggregation (per Origin AS): 355484 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455691 Number of IPv4 prefixes with a valid ROA: 431700 Number of IPv4 prefixes with an invalid ROA: 757 Number of IPv4 prefixes with no ROA: 495735 Total ASes present in the Internet Routing Table: 74884 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64432 Origin ASes announcing only one prefix: 26513 Transit ASes present in the Internet Routing Table: 10452 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1001 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 43185 Number of 32-bit ASNs visible in the Routing Table: 35402 Prefixes from 32-bit ASNs in the Routing Table: 177343 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: 516 Number of addresses announced to Internet: 3047564800 Equivalent to 181 /8s, 166 /16s and 38 /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: 309174 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243652 Total APNIC prefixes after maximum aggregation: 71218 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236864 Unique aggregates announced from the APNIC address blocks: 99508 APNIC Region origin ASes present in the Internet Routing Table: 13714 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4125 APNIC Region transit ASes present in the Internet Routing Table: 1851 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: 9104 Number of APNIC addresses announced to Internet: 770800640 Equivalent to 45 /8s, 241 /16s and 124 /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: 272227 Total ARIN prefixes after maximum aggregation: 124182 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276845 Unique aggregates announced from the ARIN address blocks: 132797 ARIN Region origin ASes present in the Internet Routing Table: 19028 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1857 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: 4812 Number of ARIN addresses announced to Internet: 1275864320 Equivalent to 76 /8s, 12 /16s and 37 /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: 261318 Total RIPE prefixes after maximum aggregation: 124815 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255887 Unique aggregates announced from the RIPE address blocks: 160716 RIPE Region origin ASes present in the Internet Routing Table: 28471 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3893 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: 11453 Number of RIPE addresses announced to Internet: 714614784 Equivalent to 42 /8s, 152 /16s and 40 /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: 119662 Total LACNIC prefixes after maximum aggregation: 28585 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118398 Unique aggregates announced from the LACNIC address blocks: 49452 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2351 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: 8894 Number of LACNIC addresses announced to Internet: 178350592 Equivalent to 10 /8s, 161 /16s and 106 /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: 30332 Total AfriNIC prefixes after maximum aggregation: 6009 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39682 Unique aggregates announced from the AfriNIC address blocks: 12800 AfriNIC Region origin ASes present in the Internet Routing Table: 1796 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 338 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: 1139 Number of AfriNIC addresses announced to Internet: 107572992 Equivalent to 6 /8s, 105 /16s and 111 /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 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4421 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3641 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3261 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3249 494 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2639 854 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 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 9422 11184 3332 AMAZON-02, US 11492 4561 303 681 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3560 1320 68 SHAW, CA 22773 3494 3034 288 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3175 1413 2319 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2983 3834 1420 DNIC-ASBLK-00306-00371, US 396982 2725 3631 376 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 7555 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3999 3397 140 AKAMAI-ASN1, NL 9009 3487 300 1628 M247, RO 8551 2935 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2885 2301 909 ROSTELECOM-AS, RU 34984 2324 360 588 TELLCOM-AS, TR 58224 1610 895 586 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 12139 3379 604 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2476 338 639 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad 28573 1345 2321 241 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 1099 175 434 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 1044 67 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 36914 525 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 12139 3379 604 UNINET, MX 9808 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9422 11184 3332 AMAZON-02, US 12479 7555 1714 146 UNI2-AS, ES 7545 5675 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4561 303 681 CABLEONE, US 18403 4421 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 288 96 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 9741 9700 CHINAMOBILE-CN China Mobile Communications Grou 12479 7555 7409 UNI2-AS, ES 16509 9422 6090 AMAZON-02, US 7545 5675 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4421 4396 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4070 VIASAT-SP-BACKBONE, US 11492 4561 3880 CABLEONE, US 20940 3999 3859 AKAMAI-ASN1, NL 7552 3641 3621 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 /14:1190 /15:2057 /16:13411 /17:8189 /18:13677 /19:24773 /20:43080 /21:51104 /22:109932 /23:99113 /24:560617 /25:0 /26:0 /27:0 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6644 7555 UNI2-AS, ES 8151 6143 12139 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3560 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 22773 2559 3494 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2412 2935 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2127 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2243 2:1428 3:279 4:5 5:4385 6:160 7:6 8:1495 9:1 11:172 12:1485 13:373 14:2319 15:304 16:206 17:360 18:707 20:328 21:4 22:188 23:6520 24:2590 25:2 27:2572 29:19 31:2539 32:53 34:33 35:116 36:2045 37:4460 38:5717 39:881 40:149 41:4092 42:2131 43:2300 44:328 45:16629 46:4369 47:286 49:1886 50:1879 51:571 52:1595 54:393 55:802 56:5 57:125 58:1847 59:1104 60:1007 61:2467 62:2723 63:1902 64:5465 65:2348 66:4986 67:3049 68:1354 69:4074 70:1174 71:608 72:2927 74:2624 75:1562 76:625 77:2336 78:1823 79:2988 80:2121 81:1855 82:1515 83:1321 84:1609 85:2961 86:782 87:1967 88:1233 89:3961 90:641 91:7874 92:2173 93:2634 94:3569 95:3991 96:1298 97:316 98:1017 99:738 100:94 101:1382 102:2959 103:32315 104:4783 105:593 106:976 107:2744 108:1136 109:3752 110:2132 111:3146 112:2074 113:1697 114:1743 115:2001 116:1927 117:2554 118:2745 119:1945 120:1755 121:1233 122:2621 123:2168 124:1581 125:2746 128:1429 129:898 130:1051 131:1976 132:823 133:410 134:1718 135:295 136:913 137:981 138:2709 139:1556 140:1337 141:1348 142:1534 143:1534 144:1006 145:342 146:1991 147:1633 148:2465 149:2345 150:1009 151:1287 152:1821 153:526 154:5319 155:1379 156:2122 157:1369 158:1084 159:2196 160:2617 161:1618 162:3558 163:1629 164:1620 165:1869 166:1096 167:1759 168:3831 169:789 170:4692 171:969 172:3763 173:2996 174:900 175:1210 176:3583 177:4613 178:3517 179:2215 180:2320 181:3599 182:3403 183:2022 184:2251 185:20437 186:4744 187:4276 188:3998 189:3980 190:9332 191:1493 192:10971 193:8956 194:7297 195:5212 196:3138 197:2640 198:5921 199:6643 200:8004 201:6265 202:10203 203:10016 204:4569 205:3655 206:4381 207:3390 208:4077 209:4888 210:4254 211:2465 212:4213 213:3389 214:1115 215:63 216:6733 217:2744 218:1288 219:412 220:1797 221:1012 222:698 223:2197 End of report