IPv4 R&E Routing Table Report 23:00 GMT Tue 16 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): 406687 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 523098 Number of IPv4 prefixes with a valid ROA: 704580 Number of IPv4 prefixes with an invalid ROA: 658 Number of IPv4 prefixes with no ROA: 348116 Total ASes present in the Internet Routing Table: 78592 Prefixes per ASN: 13.40 Origin-only ASes present in the Internet Routing Table: 67320 Origin ASes announcing only one prefix: 27462 Transit ASes present in the Internet Routing Table: 11272 Transit-only ASes present in the Internet Routing Table: 585 Paths with bogon ASNs present in the IPv4 Routing Table: 55 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: 1252 Number of instances of unregistered ASNs: 1282 Number of 32-bit ASNs allocated by the RIRs: 50135 Number of 32-bit ASNs visible in the Routing Table: 40854 Prefixes from 32-bit ASNs in the Routing Table: 234375 Number of bogon 32-bit ASNs visible in the Routing Table: 100 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 461 Number of addresses announced to Internet: 3119671040 Equivalent to 185 /8s, 242 /16s and 103 /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: 344249 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288839 Total APNIC prefixes after maximum aggregation: 84683 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 274761 Unique aggregates announced from the APNIC address blocks: 109324 APNIC Region origin ASes present in the Internet Routing Table: 15206 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4614 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: 10816 Number of APNIC addresses announced to Internet: 747776000 Equivalent to 44 /8s, 146 /16s and 40 /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: 304431 Total ARIN prefixes after maximum aggregation: 137548 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303287 Unique aggregates announced from the ARIN address blocks: 148794 ARIN Region origin ASes present in the Internet Routing Table: 19410 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7109 ARIN Region transit ASes present in the Internet Routing Table: 1909 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: 1348011520 Equivalent to 80 /8s, 89 /16s and 6 /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: 292465 Total RIPE prefixes after maximum aggregation: 145869 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 296619 Unique aggregates announced from the RIPE address blocks: 194636 RIPE Region origin ASes present in the Internet Routing Table: 29580 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12247 RIPE Region transit ASes present in the Internet Routing Table: 4111 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: 13535 Number of RIPE addresses announced to Internet: 749511424 Equivalent to 44 /8s, 172 /16s and 163 /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: 128605 Total LACNIC prefixes after maximum aggregation: 30854 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 123388 Unique aggregates announced from the LACNIC address blocks: 50327 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: 2759 LACNIC Region transit ASes present in the Internet Routing Table: 2601 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: 9478 Number of LACNIC addresses announced to Internet: 169833728 Equivalent to 10 /8s, 31 /16s and 117 /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: 37762 Total AfriNIC prefixes after maximum aggregation: 7048 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 54838 Unique aggregates announced from the AfriNIC address blocks: 19623 AfriNIC Region origin ASes present in the Internet Routing Table: 2038 AfriNIC Prefixes per ASN: 26.91 AfriNIC Region origin ASes announcing only one prefix: 733 AfriNIC Region transit ASes present in the Internet Routing Table: 387 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: 1402 Number of AfriNIC addresses announced to Internet: 104285952 Equivalent to 6 /8s, 55 /16s and 71 /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 13982 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5859 822 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4956 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4603 347 25 FPT-VN - FPT Telecom Company, VN 7552 4066 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3730 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3559 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3417 215 597 LCS-AS-AP - LARUS Limited, HK 45899 3381 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 15283 41447 5578 AMAZON-02 - Amazon.com, Inc., US 22773 4768 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4609 306 1092 CABLEONE - CABLE ONE, INC., US 7155 3868 286 88 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3726 1305 74 SHAW - Shaw Communications, CA 396982 3374 4868 519 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3088 233 1033 AS-COLOCROSSING - HostPapa, US 7029 2649 2554 888 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 7125 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 3786 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3302 236 2462 CDNEXT - Datacamp Limited, GB 12389 3146 2320 868 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1700 1852 14 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U 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 628 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2345 500 345 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1928 369 65 AS11830 - Instituto Costarricense de Elec 11664 1489 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 1173 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1089 70 362 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1061 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 1862 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 557 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 550 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 15283 41447 5578 AMAZON-02 - Amazon.com, Inc., US 9808 13982 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12824 3265 628 AS8151 - UNINET, MX 12479 7125 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5859 822 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4956 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4768 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4609 306 1092 CABLEONE - CABLE ONE, INC., US 18403 4603 347 25 FPT-VN - FPT Telecom Company, VN 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 13982 13863 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12824 12196 AS8151 - UNINET, MX 12479 7125 6975 UNI2-AS - Orange Espagne SA, ES 7545 5859 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4956 4628 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4603 4578 FPT-VN - FPT Telecom Company, VN 22773 4768 4405 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4066 4042 VIETEL-AS-AP - Viettel Group, VN 7155 3868 3780 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 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 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 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 /14:1185 /15:2111 /16:13640 /17:8238 /18:13279 /19:25425 /20:45704 /21:52495 /22:113515 /23:108443 /24:668269 /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 7027 12824 AS8151 - UNINET, MX 12479 6054 7125 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3726 SHAW - Shaw Communications, CA 11492 3485 4609 CABLEONE - CABLE ONE, INC., US 22773 3040 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2823 3868 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2777 15283 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 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 2:2060 3:1012 4:5 5:5257 6:202 7:6 8:1426 9:69 11:172 12:1117 13:765 14:2717 15:475 16:315 17:444 18:935 20:597 21:4 22:188 23:8376 24:2778 25:2 27:2788 28:1 29:19 31:3821 32:36 34:91 35:287 36:4810 37:4430 38:10100 39:1316 40:447 41:4567 42:2161 43:3289 44:462 45:19842 46:4943 47:454 48:168 49:2442 50:2000 51:884 52:1360 54:304 55:1182 56:11 57:319 58:2765 59:1494 60:1174 61:3174 62:3142 63:1689 64:6471 65:2155 66:6056 67:3298 68:1243 69:4107 70:1060 71:606 72:3231 74:3083 75:1502 76:594 77:2927 78:2101 79:1797 80:2351 81:2301 82:4329 83:1473 84:2217 85:3863 86:1084 87:2746 88:1314 89:4762 90:794 91:8451 92:2779 93:3003 94:4645 95:4679 96:1448 97:309 98:938 99:866 100:69 101:1630 102:4712 103:32994 104:5579 105:860 106:902 107:2948 108:1307 109:3945 110:2292 111:4142 112:3100 113:1981 114:2509 115:2306 116:2099 117:3590 118:3044 119:2097 120:2803 121:1632 122:3006 123:2200 124:1980 125:3033 126:158 128:1578 129:962 130:1680 131:2461 132:894 133:488 134:1736 135:633 136:1487 137:1361 138:3391 139:1800 140:1857 141:1726 142:2569 143:2094 144:1790 145:654 146:2186 147:2270 148:2799 149:3305 150:1329 151:2989 152:2603 153:1727 154:9730 155:2360 156:4704 157:2510 158:1594 159:2867 160:3882 161:2033 162:4147 163:2619 164:2419 165:2788 166:1269 167:2357 168:4105 169:879 170:5631 171:1142 172:4903 173:3463 174:899 175:1364 176:3963 177:5052 178:4525 179:2434 180:3528 181:4608 182:4038 183:2863 184:2053 185:21824 186:6398 187:5395 188:4855 189:4605 190:9899 191:1748 192:11740 193:9621 194:7848 195:5846 196:3417 197:3246 198:6111 199:6189 200:8159 201:6529 202:10647 203:10668 204:4729 205:3737 206:4377 207:3867 208:4351 209:5444 210:4732 211:2691 212:5133 213:4090 214:1038 215:47 216:7283 217:3687 218:1766 219:411 220:2217 221:1354 222:942 223:3596 End of report