IPv4 R&E Routing Table Report 23:00 GMT Thu 23 Jul, 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: 1059482 Prefixes after maximum aggregation (per Origin AS): 406981 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 525421 Number of IPv4 prefixes with a valid ROA: 718828 Number of IPv4 prefixes with an invalid ROA: 496 Number of IPv4 prefixes with no ROA: 340158 Total ASes present in the Internet Routing Table: 78798 Prefixes per ASN: 13.45 Origin-only ASes present in the Internet Routing Table: 67475 Origin ASes announcing only one prefix: 27583 Transit ASes present in the Internet Routing Table: 11323 Transit-only ASes present in the Internet Routing Table: 604 Paths with bogon ASNs present in the IPv4 Routing Table: 74 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: 1268 Number of instances of unregistered ASNs: 1311 Number of 32-bit ASNs allocated by the RIRs: 50514 Number of 32-bit ASNs visible in the Routing Table: 41134 Prefixes from 32-bit ASNs in the Routing Table: 236604 Number of bogon 32-bit ASNs visible in the Routing Table: 136 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 475 Number of addresses announced to Internet: 3120067328 Equivalent to 185 /8s, 248 /16s and 115 /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: 347033 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289477 Total APNIC prefixes after maximum aggregation: 84091 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 275433 Unique aggregates announced from the APNIC address blocks: 109149 APNIC Region origin ASes present in the Internet Routing Table: 15245 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4664 APNIC Region transit ASes present in the Internet Routing Table: 2072 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10859 Number of APNIC addresses announced to Internet: 748827392 Equivalent to 44 /8s, 162 /16s and 51 /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: 306056 Total ARIN prefixes after maximum aggregation: 137917 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304304 Unique aggregates announced from the ARIN address blocks: 149919 ARIN Region origin ASes present in the Internet Routing Table: 19451 ARIN Prefixes per ASN: 15.64 ARIN Region origin ASes announcing only one prefix: 7142 ARIN Region transit ASes present in the Internet Routing Table: 1913 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: 5694 Number of ARIN addresses announced to Internet: 1348239360 Equivalent to 80 /8s, 92 /16s and 128 /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: 295412 Total RIPE prefixes after maximum aggregation: 146153 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 300129 Unique aggregates announced from the RIPE address blocks: 195873 RIPE Region origin ASes present in the Internet Routing Table: 29610 RIPE Prefixes per ASN: 10.14 RIPE Region origin ASes announcing only one prefix: 12256 RIPE Region transit ASes present in the Internet Routing Table: 4117 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 106 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13627 Number of RIPE addresses announced to Internet: 749537024 Equivalent to 44 /8s, 173 /16s and 7 /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: 129669 Total LACNIC prefixes after maximum aggregation: 31008 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 124164 Unique aggregates announced from the LACNIC address blocks: 50442 LACNIC Region origin ASes present in the Internet Routing Table: 11469 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2783 LACNIC Region transit ASes present in the Internet Routing Table: 2636 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9544 Number of LACNIC addresses announced to Internet: 169256448 Equivalent to 10 /8s, 22 /16s and 166 /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: 37600 Total AfriNIC prefixes after maximum aggregation: 7090 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 54977 Unique aggregates announced from the AfriNIC address blocks: 19637 AfriNIC Region origin ASes present in the Internet Routing Table: 2048 AfriNIC Prefixes per ASN: 26.84 AfriNIC Region origin ASes announcing only one prefix: 738 AfriNIC Region transit ASes present in the Internet Routing Table: 376 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1410 Number of AfriNIC addresses announced to Internet: 103937024 Equivalent to 6 /8s, 49 /16s and 244 /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 14045 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5043 557 336 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4603 347 24 FPT-VN - FPT Telecom Company, VN 7552 4066 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3762 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3758 236 608 LCS-AS-AP - LARUS Limited, HK 56046 3586 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3398 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2744 732 735 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 15577 41518 5619 AMAZON-02 - Amazon.com, Inc., US 22773 4797 3125 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4576 304 1115 CABLEONE - CABLE ONE, INC., US 7155 3989 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3443 4874 538 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3175 238 1110 AS-COLOCROSSING - HostPapa, US 749 3135 54727 2386 DNIC-AS-00749 - United States Department 7029 2684 2551 875 WINDSTREAM - Windstream Communications LL 30036 2553 356 539 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 7043 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4173 376 2558 M247 - M247 Europe SRL, RO 20940 3810 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3466 248 2609 CDNEXT - Datacamp Limited, GB 12389 3126 2330 872 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2548 151 25 KCELL-AS - Kcell JSC, KZ 34984 2489 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1715 1852 14 TE-AS - IDDQD-AS, EG 203020 1660 254 832 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 12838 3264 620 AS8151 - UNINET, MX 10620 3441 451 1105 AS10620 - Telmex Colombia S.A., CO 13999 2286 499 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1904 369 65 AS11830 - Instituto Costarricense de Elec 11664 1496 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1371 2431 275 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1211 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1052 2384 95 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 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1307 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1294 523 46 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 580 54 195 Africa on Cloud - Africa on Cloud, ZA 15399 560 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 556 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 15577 41518 5619 AMAZON-02 - Amazon.com, Inc., US 9808 14045 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12838 3264 620 AS8151 - UNINET, MX 12479 7043 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5043 557 336 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4797 3125 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4603 347 24 FPT-VN - FPT Telecom Company, VN 11492 4576 304 1115 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 14045 13925 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12838 12218 AS8151 - UNINET, MX 12479 7043 6893 UNI2-AS - Orange Espagne SA, ES 7545 5836 5386 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5043 4707 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4603 4579 FPT-VN - FPT Telecom Company, VN 22773 4797 4431 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4066 4042 VIETEL-AS-AP - Viettel Group, VN 7155 3989 3878 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 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 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 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 23.131.156.0/24 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.134.212.0/24 Origin: 8143 NEBUSRT - Neburst LLC, US 23.134.212.0/24 Transit: 17476 CHL-AS-AP - CloudRadium (HK) Limited, HK 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 /13:584 /14:1185 /15:2120 /16:13682 /17:8235 /18:13290 /19:25442 /20:45729 /21:52703 /22:113424 /23:109687 /24:672936 /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 7067 12838 AS8151 - UNINET, MX 12479 5971 7043 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3507 3725 SHAW - Shaw Communications, CA 11492 3467 4576 CABLEONE - CABLE ONE, INC., US 22773 3056 4797 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2944 15577 AMAZON-02 - Amazon.com, Inc., US 7155 2943 3989 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2245 3441 AS10620 - Telmex Colombia S.A., CO 30036 2207 2553 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) ---------------------------------------------- 1:2554 2:2815 3:1022 4:5 5:5335 6:207 7:6 8:1375 9:78 11:172 12:1103 13:802 14:2749 15:483 16:261 17:455 18:942 20:599 21:4 22:188 23:8524 24:2783 25:2 27:2854 28:6 29:19 31:3807 32:36 34:94 35:287 36:4877 37:4436 38:10134 39:1374 40:418 41:4570 42:2201 43:3373 44:472 45:20124 46:4971 47:477 48:168 49:2402 50:2012 51:848 52:1369 54:303 55:1174 56:11 57:327 58:2418 59:1360 60:1213 61:3219 62:3148 63:1745 64:6506 65:2154 66:6134 67:3346 68:1292 69:4074 70:1051 71:604 72:3259 74:3050 75:1515 76:590 77:2918 78:2123 79:2026 80:2373 81:2279 82:4263 83:1485 84:2162 85:3913 86:1102 87:2763 88:1316 89:4812 90:781 91:8492 92:2758 93:3041 94:4455 95:4702 96:1454 97:307 98:930 99:966 100:72 101:1584 102:4714 103:33110 104:5640 105:841 106:903 107:2974 108:1330 109:3913 110:2290 111:4177 112:3117 113:1943 114:2506 115:2314 116:2093 117:3684 118:3043 119:2111 120:2788 121:1661 122:3035 123:2217 124:1772 125:3022 126:157 128:1570 129:971 130:1705 131:2549 132:891 133:488 134:1753 135:646 136:1533 137:1382 138:3443 139:1802 140:1872 141:1798 142:2623 143:2126 144:1827 145:697 146:2168 147:2290 148:2817 149:3594 150:1394 151:2969 152:2662 153:1923 154:9883 155:2383 156:4664 157:2521 158:1618 159:2891 160:3898 161:2042 162:4188 163:2678 164:2410 165:2781 166:1303 167:2363 168:4245 169:904 170:5613 171:1134 172:4914 173:3467 174:886 175:1391 176:4034 177:5224 178:4489 179:2508 180:3369 181:4668 182:4059 183:2840 184:2047 185:21897 186:6572 187:5531 188:4757 189:4590 190:9962 191:1792 192:11795 193:9626 194:7946 195:5895 196:3437 197:3122 198:6181 199:6087 200:8271 201:6642 202:10687 203:10674 204:4711 205:3720 206:4412 207:3910 208:4324 209:5409 210:4739 211:2700 212:5172 213:4127 214:1024 215:47 216:7316 217:3745 218:1861 219:419 220:2288 221:1370 222:943 223:3609 End of report