IPv4 R&E Routing Table Report 23:00 GMT Wed 17 Jun, 2026 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: 1053354 Prefixes after maximum aggregation (per Origin AS): 406412 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 522754 Number of IPv4 prefixes with a valid ROA: 704756 Number of IPv4 prefixes with an invalid ROA: 609 Number of IPv4 prefixes with no ROA: 347989 Total ASes present in the Internet Routing Table: 78615 Prefixes per ASN: 13.40 Origin-only ASes present in the Internet Routing Table: 67346 Origin ASes announcing only one prefix: 27484 Transit ASes present in the Internet Routing Table: 11269 Transit-only ASes present in the Internet Routing Table: 588 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 216 Max AS path prepend of ASN (205624) 211 Prefixes from unregistered ASNs in the Routing Table: 1266 Number of instances of unregistered ASNs: 1296 Number of 32-bit ASNs allocated by the RIRs: 50158 Number of 32-bit ASNs visible in the Routing Table: 40872 Prefixes from 32-bit ASNs in the Routing Table: 234029 Number of bogon 32-bit ASNs visible in the Routing Table: 94 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 465 Number of addresses announced to Internet: 3120292352 Equivalent to 185 /8s, 251 /16s and 226 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 344330 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288931 Total APNIC prefixes after maximum aggregation: 84691 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 274681 Unique aggregates announced from the APNIC address blocks: 109218 APNIC Region origin ASes present in the Internet Routing Table: 15205 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4622 APNIC Region transit ASes present in the Internet Routing Table: 2064 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10817 Number of APNIC addresses announced to Internet: 747792128 Equivalent to 44 /8s, 146 /16s and 103 /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, 131072-155961 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: 304450 Total ARIN prefixes after maximum aggregation: 137525 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303201 Unique aggregates announced from the ARIN address blocks: 148571 ARIN Region origin ASes present in the Internet Routing Table: 19416 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7125 ARIN Region transit ASes present in the Internet Routing Table: 1907 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 216 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5623 Number of ARIN addresses announced to Internet: 1348411136 Equivalent to 80 /8s, 95 /16s and 31 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 292297 Total RIPE prefixes after maximum aggregation: 145596 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296608 Unique aggregates announced from the RIPE address blocks: 194655 RIPE Region origin ASes present in the Internet Routing Table: 29591 RIPE Prefixes per ASN: 10.02 RIPE Region origin ASes announcing only one prefix: 12254 RIPE Region transit ASes present in the Internet Routing Table: 4104 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 206 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13543 Number of RIPE addresses announced to Internet: 749723136 Equivalent to 44 /8s, 175 /16s and 222 /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 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 128626 Total LACNIC prefixes after maximum aggregation: 30861 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 123426 Unique aggregates announced from the LACNIC address blocks: 50330 LACNIC Region origin ASes present in the Internet Routing Table: 11416 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2747 LACNIC Region transit ASes present in the Internet Routing Table: 2603 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9486 Number of LACNIC addresses announced to Internet: 169842944 Equivalent to 10 /8s, 31 /16s and 153 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37784 Total AfriNIC prefixes after maximum aggregation: 7042 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 54973 Unique aggregates announced from the AfriNIC address blocks: 19584 AfriNIC Region origin ASes present in the Internet Routing Table: 2039 AfriNIC Prefixes per ASN: 26.96 AfriNIC Region origin ASes announcing only one prefix: 736 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1403 Number of AfriNIC addresses announced to Internet: 104271872 Equivalent to 6 /8s, 55 /16s and 16 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 13994 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4957 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4604 347 25 FPT-VN - FPT Telecom Company, VN 7552 4066 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3731 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3560 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3544 223 604 LCS-AS-AP - LARUS Limited, HK 45899 3382 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2720 730 732 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15349 41454 5598 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4599 305 1114 CABLEONE - CABLE ONE, INC., US 7155 3869 286 88 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3726 1305 74 SHAW - Shaw Communications, CA 396982 3375 4868 520 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 3092 233 1036 AS-COLOCROSSING - HostPapa, US 7029 2651 2553 887 WINDSTREAM - Windstream Communications LL 30036 2543 353 585 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7126 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4126 373 2509 M247 - M247 Europe SRL, RO 20940 3780 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3314 237 2473 CDNEXT - Datacamp Limited, GB 12389 3146 2320 868 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2459 363 594 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1716 107 820 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1700 1852 14 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 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 12824 3265 627 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2343 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1928 369 65 AS11830 - Instituto Costarricense de Elec 11664 1491 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1370 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1216 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1090 70 360 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1058 2392 100 AS26615 - TIM S/A, 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 24835 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1863 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1276 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 609 56 206 Africa on Cloud - Africa on Cloud, ZA 15399 559 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 554 82 3 Kenya Education Network - Kenya Education 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 16509 15349 41454 5598 AMAZON-02 - Amazon.com, Inc., US 9808 13994 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12824 3265 627 AS8151 - UNINET, MX 12479 7126 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4957 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4780 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4604 347 25 FPT-VN - FPT Telecom Company, VN 11492 4599 305 1114 CABLEONE - CABLE ONE, INC., US 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 13994 13875 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12824 12197 AS8151 - UNINET, MX 12479 7126 6976 UNI2-AS - Orange Espagne SA, ES 7545 5860 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4957 4629 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4604 4579 FPT-VN - FPT Telecom Company, VN 22773 4780 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4066 4042 VIETEL-AS-AP - Viettel Group, VN 7155 3869 3781 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 219429 UNALLOCATED 5.145.177.0/24 24875 NOVOSERVE-AS - NovoServ 219412 UNALLOCATED 5.175.190.0/24 20473 AS-VULTR - The Constant 219429 UNALLOCATED 5.178.108.0/24 24875 NOVOSERVE-AS - NovoServ 219429 UNALLOCATED 5.182.61.0/24 24875 NOVOSERVE-AS - NovoServ 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.104.0/24 Origin: 400290 UNASSIGNED 23.131.104.0/24 Transit: 6939 HURRICANE - Hurricane Electric LLC, US 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 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 /10:39 /11:97 /12:299 /13:585 /14:1186 /15:2111 /16:13645 /17:8238 /18:13282 /19:25422 /20:45710 /21:52514 /22:113515 /23:108516 /24:668165 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7028 12824 AS8151 - UNINET, MX 12479 6055 7126 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3726 SHAW - Shaw Communications, CA 11492 3482 4599 CABLEONE - CABLE ONE, INC., US 22773 3052 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2823 3869 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2789 15349 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2201 2543 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2539 2:2056 3:1024 4:5 5:5262 6:204 7:6 8:1428 9:72 11:172 12:1115 13:765 14:2718 15:474 16:276 17:444 18:944 20:597 21:4 22:188 23:8372 24:2775 25:2 27:2796 28:1 29:19 31:3814 32:36 34:91 35:286 36:4814 37:4428 38:10125 39:1317 40:447 41:4566 42:2160 43:3283 44:461 45:19957 46:4947 47:455 48:168 49:2443 50:2003 51:889 52:1358 54:304 55:1183 56:11 57:319 58:2769 59:1495 60:1175 61:3174 62:3146 63:1689 64:6459 65:2144 66:6058 67:3312 68:1243 69:4102 70:1059 71:606 72:3214 74:3088 75:1501 76:593 77:2915 78:2103 79:1799 80:2346 81:2302 82:4337 83:1472 84:2216 85:3865 86:1084 87:2742 88:1314 89:4768 90:792 91:8456 92:2775 93:2999 94:4654 95:4674 96:1445 97:309 98:940 99:866 100:69 101:1626 102:4719 103:32968 104:5578 105:860 106:902 107:2947 108:1306 109:3958 110:2292 111:4145 112:3100 113:1981 114:2510 115:2306 116:2095 117:3594 118:3046 119:2062 120:2739 121:1633 122:2996 123:2200 124:1980 125:3033 126:158 128:1579 129:966 130:1686 131:2458 132:896 133:488 134:1735 135:627 136:1485 137:1365 138:3376 139:1800 140:1855 141:1720 142:2573 143:2116 144:1801 145:655 146:2184 147:2266 148:2801 149:3291 150:1393 151:2960 152:2603 153:1728 154:9722 155:2356 156:4666 157:2506 158:1593 159:2862 160:3879 161:2031 162:4116 163:2626 164:2416 165:2795 166:1269 167:2361 168:4132 169:879 170:5623 171:1142 172:4905 173:3454 174:900 175:1363 176:3960 177:5070 178:4524 179:2425 180:3529 181:4618 182:4039 183:2867 184:2062 185:21855 186:6402 187:5397 188:4860 189:4604 190:9930 191:1737 192:11698 193:9624 194:7847 195:5841 196:3412 197:3251 198:6106 199:6098 200:8167 201:6539 202:10637 203:10669 204:4726 205:3735 206:4382 207:3867 208:4343 209:5429 210:4731 211:2691 212:5130 213:4091 214:1038 215:47 216:7277 217:3689 218:1771 219:411 220:2218 221:1354 222:942 223:3596 End of report