IPv4 R&E Routing Table Report 23:00 GMT Wed 15 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: 1056717 Prefixes after maximum aggregation (per Origin AS): 406712 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 525006 Number of IPv4 prefixes with a valid ROA: 714812 Number of IPv4 prefixes with an invalid ROA: 500 Number of IPv4 prefixes with no ROA: 341405 Total ASes present in the Internet Routing Table: 78790 Prefixes per ASN: 13.41 Origin-only ASes present in the Internet Routing Table: 67489 Origin ASes announcing only one prefix: 27527 Transit ASes present in the Internet Routing Table: 11301 Transit-only ASes present in the Internet Routing Table: 601 Paths with bogon ASNs present in the IPv4 Routing Table: 72 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: 1388 Number of instances of unregistered ASNs: 1428 Number of 32-bit ASNs allocated by the RIRs: 50418 Number of 32-bit ASNs visible in the Routing Table: 41089 Prefixes from 32-bit ASNs in the Routing Table: 236054 Number of bogon 32-bit ASNs visible in the Routing Table: 130 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 500 Number of addresses announced to Internet: 3118863360 Equivalent to 185 /8s, 230 /16s and 20 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 345626 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289166 Total APNIC prefixes after maximum aggregation: 84096 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 274998 Unique aggregates announced from the APNIC address blocks: 109088 APNIC Region origin ASes present in the Internet Routing Table: 15271 APNIC Prefixes per ASN: 18.01 APNIC Region origin ASes announcing only one prefix: 4666 APNIC Region transit ASes present in the Internet Routing Table: 2077 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: 10879 Number of APNIC addresses announced to Internet: 748820992 Equivalent to 44 /8s, 162 /16s and 26 /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: 305572 Total ARIN prefixes after maximum aggregation: 137888 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304036 Unique aggregates announced from the ARIN address blocks: 149729 ARIN Region origin ASes present in the Internet Routing Table: 19447 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7128 ARIN Region transit ASes present in the Internet Routing Table: 1912 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: 5674 Number of ARIN addresses announced to Internet: 1348406272 Equivalent to 80 /8s, 95 /16s and 12 /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: 293452 Total RIPE prefixes after maximum aggregation: 145931 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297873 Unique aggregates announced from the RIPE address blocks: 195442 RIPE Region origin ASes present in the Internet Routing Table: 29597 RIPE Prefixes per ASN: 10.06 RIPE Region origin ASes announcing only one prefix: 12236 RIPE Region transit ASes present in the Internet Routing Table: 4107 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13604 Number of RIPE addresses announced to Internet: 749456640 Equivalent to 44 /8s, 171 /16s and 205 /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: 129344 Total LACNIC prefixes after maximum aggregation: 30957 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 124137 Unique aggregates announced from the LACNIC address blocks: 50515 LACNIC Region origin ASes present in the Internet Routing Table: 11449 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2765 LACNIC Region transit ASes present in the Internet Routing Table: 2617 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: 9519 Number of LACNIC addresses announced to Internet: 167932416 Equivalent to 10 /8s, 2 /16s and 114 /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: 37795 Total AfriNIC prefixes after maximum aggregation: 7104 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 55173 Unique aggregates announced from the AfriNIC address blocks: 19809 AfriNIC Region origin ASes present in the Internet Routing Table: 2050 AfriNIC Prefixes per ASN: 26.91 AfriNIC Region origin ASes announcing only one prefix: 732 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 58 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1413 Number of AfriNIC addresses announced to Internet: 103962368 Equivalent to 6 /8s, 50 /16s and 87 /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 14015 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5846 818 454 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5024 556 332 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4648 347 24 FPT-VN - FPT Telecom Company, VN 7552 4072 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3758 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3746 235 605 LCS-AS-AP - LARUS Limited, HK 56046 3579 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3393 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2736 732 730 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 15535 41525 5626 AMAZON-02 - Amazon.com, Inc., US 22773 4783 3116 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4524 301 1156 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3425 4872 529 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3165 238 1094 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2689 2557 894 WINDSTREAM - Windstream Communications LL 30036 2560 357 540 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 7096 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4166 375 2550 M247 - M247 Europe SRL, RO 20940 3810 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3440 245 2587 CDNEXT - Datacamp Limited, GB 12389 3121 2325 871 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2493 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1714 1852 14 TE-AS - IDDQD-AS, EG 203020 1652 253 828 HostRoyale - HostRoyale Technologies Pvt 44559 1636 102 762 ITHOSTLINE - IT HOSTLINE LTD, CY 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 12781 3255 625 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2288 500 330 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1463 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1211 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1092 69 387 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 2385 96 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 1922 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1302 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1279 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 578 54 193 Africa on Cloud - Africa on Cloud, ZA 15399 560 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 15535 41525 5626 AMAZON-02 - Amazon.com, Inc., US 9808 14015 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12781 3255 625 AS8151 - UNINET, MX 12479 7096 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5846 818 454 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5024 556 332 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4783 3116 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4648 347 24 FPT-VN - FPT Telecom Company, VN 11492 4524 301 1156 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 14015 13895 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12781 12156 AS8151 - UNINET, MX 12479 7096 6946 UNI2-AS - Orange Espagne SA, ES 7545 5846 5392 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5024 4692 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4648 4624 FPT-VN - FPT Telecom Company, VN 22773 4783 4421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4072 4048 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 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 3356 LEVEL3 - Level 3 Parent 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 /14:1182 /15:2120 /16:13669 /17:8247 /18:13288 /19:25451 /20:45726 /21:52676 /22:113381 /23:108927 /24:671001 /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 7019 12781 AS8151 - UNINET, MX 12479 6019 7096 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3426 4524 CABLEONE - CABLE ONE, INC., US 22773 3053 4783 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2916 15535 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2215 2560 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) ---------------------------------------------- 1:2553 2:2047 3:1023 4:5 5:5324 6:207 7:6 8:1379 9:78 11:172 12:1094 13:791 14:2743 15:476 16:296 17:452 18:946 20:599 21:4 22:188 23:8489 24:2773 25:2 27:2815 28:6 29:19 31:3817 32:36 34:92 35:286 36:4865 37:4427 38:10071 39:1373 40:433 41:4567 42:2211 43:3353 44:466 45:20123 46:4965 47:475 48:168 49:2402 50:2005 51:859 52:1364 54:295 55:1165 56:11 57:325 58:2396 59:1357 60:1210 61:3201 62:3157 63:1703 64:6502 65:2155 66:6094 67:3303 68:1295 69:4083 70:1052 71:604 72:3264 74:3053 75:1511 76:596 77:2918 78:2105 79:1974 80:2374 81:2284 82:4266 83:1487 84:2171 85:3912 86:1093 87:2769 88:1312 89:4814 90:785 91:8495 92:2770 93:3040 94:4449 95:4704 96:1457 97:307 98:931 99:973 100:72 101:1588 102:4741 103:33169 104:5610 105:839 106:898 107:2940 108:1324 109:3909 110:2289 111:4151 112:3116 113:1931 114:2508 115:2306 116:2097 117:3640 118:3064 119:2076 120:2780 121:1643 122:3035 123:2223 124:1778 125:3025 126:158 128:1563 129:959 130:1776 131:2536 132:888 133:488 134:1749 135:642 136:1537 137:1376 138:3438 139:1807 140:1870 141:1735 142:2622 143:2095 144:1856 145:672 146:2285 147:2293 148:2806 149:3327 150:1360 151:2969 152:2620 153:1901 154:9893 155:2363 156:4642 157:2522 158:1610 159:2887 160:3893 161:2046 162:4173 163:2676 164:2424 165:2769 166:1306 167:2354 168:4266 169:885 170:5620 171:1134 172:4910 173:3475 174:887 175:1363 176:4036 177:5167 178:4493 179:2565 180:3367 181:4609 182:4042 183:2837 184:2049 185:21898 186:6525 187:5521 188:4747 189:4659 190:9928 191:1785 192:11803 193:9618 194:7927 195:5889 196:3456 197:3236 198:6142 199:6086 200:8198 201:6575 202:10654 203:10649 204:4712 205:3707 206:4405 207:3894 208:4327 209:5409 210:4743 211:2687 212:5192 213:4115 214:1024 215:47 216:7315 217:3737 218:1861 219:418 220:2290 221:1367 222:945 223:3600 End of report