IPv4 R&E Routing Table Report 23:00 GMT Tue 23 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: 1056034 Prefixes after maximum aggregation (per Origin AS): 406926 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 523377 Number of IPv4 prefixes with a valid ROA: 708300 Number of IPv4 prefixes with an invalid ROA: 598 Number of IPv4 prefixes with no ROA: 347136 Total ASes present in the Internet Routing Table: 78676 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67377 Origin ASes announcing only one prefix: 27483 Transit ASes present in the Internet Routing Table: 11299 Transit-only ASes present in the Internet Routing Table: 594 Paths with bogon ASNs present in the IPv4 Routing Table: 54 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: 1249 Number of instances of unregistered ASNs: 1279 Number of 32-bit ASNs allocated by the RIRs: 50219 Number of 32-bit ASNs visible in the Routing Table: 40925 Prefixes from 32-bit ASNs in the Routing Table: 234867 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 470 Number of addresses announced to Internet: 3120533760 Equivalent to 185 /8s, 255 /16s and 145 /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: 345648 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288978 Total APNIC prefixes after maximum aggregation: 84707 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 274773 Unique aggregates announced from the APNIC address blocks: 109282 APNIC Region origin ASes present in the Internet Routing Table: 15235 APNIC Prefixes per ASN: 18.04 APNIC Region origin ASes announcing only one prefix: 4651 APNIC Region transit ASes present in the Internet Routing Table: 2070 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10847 Number of APNIC addresses announced to Internet: 748094720 Equivalent to 44 /8s, 151 /16s and 5 /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: 304669 Total ARIN prefixes after maximum aggregation: 137750 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303612 Unique aggregates announced from the ARIN address blocks: 148896 ARIN Region origin ASes present in the Internet Routing Table: 19421 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7123 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 1348507648 Equivalent to 80 /8s, 96 /16s and 152 /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: 292608 Total RIPE prefixes after maximum aggregation: 145806 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296720 Unique aggregates announced from the RIPE address blocks: 194821 RIPE Region origin ASes present in the Internet Routing Table: 29596 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12259 RIPE Region transit ASes present in the Internet Routing Table: 4109 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: 13554 Number of RIPE addresses announced to Internet: 749780736 Equivalent to 44 /8s, 176 /16s and 191 /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: 130892 Total LACNIC prefixes after maximum aggregation: 30901 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 125581 Unique aggregates announced from the LACNIC address blocks: 50369 LACNIC Region origin ASes present in the Internet Routing Table: 11425 LACNIC Prefixes per ASN: 10.99 LACNIC Region origin ASes announcing only one prefix: 2712 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: 9494 Number of LACNIC addresses announced to Internet: 169660416 Equivalent to 10 /8s, 28 /16s and 208 /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: 37638 Total AfriNIC prefixes after maximum aggregation: 7071 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 54878 Unique aggregates announced from the AfriNIC address blocks: 19610 AfriNIC Region origin ASes present in the Internet Routing Table: 2044 AfriNIC Prefixes per ASN: 26.85 AfriNIC Region origin ASes announcing only one prefix: 738 AfriNIC Region transit ASes present in the Internet Routing Table: 389 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: 1407 Number of AfriNIC addresses announced to Internet: 104238080 Equivalent to 6 /8s, 54 /16s and 140 /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 13986 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5858 822 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4970 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4636 347 25 FPT-VN - FPT Telecom Company, VN 7552 4068 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3731 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3559 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3411 214 598 LCS-AS-AP - LARUS Limited, HK 45899 3389 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2728 731 732 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 15417 41492 5618 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3100 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4590 305 1124 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3720 1305 74 SHAW - Shaw Communications, CA 396982 3382 4869 521 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3126 235 1061 AS-COLOCROSSING - HostPapa, US 7029 2657 2554 890 WINDSTREAM - Windstream Communications LL 30036 2546 353 576 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 7093 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4119 371 2494 M247 - M247 Europe SRL, RO 20940 3788 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3351 239 2507 CDNEXT - Datacamp Limited, GB 12389 3148 2320 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1744 109 831 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1703 1852 14 TE-AS - IDDQD-AS, EG 203020 1657 253 829 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 12831 3265 625 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2336 500 350 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1907 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1092 70 361 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1065 2390 99 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 2031 617 34 Vodafone Data - Vodafone Data, EG 36992 1864 1533 337 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 1270 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 607 56 204 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 15417 41492 5618 AMAZON-02 - Amazon.com, Inc., US 9808 13986 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12831 3265 625 AS8151 - UNINET, MX 12479 7093 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5858 822 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4970 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4780 3100 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4636 347 25 FPT-VN - FPT Telecom Company, VN 11492 4590 305 1124 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 13986 13867 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12831 12206 AS8151 - UNINET, MX 12479 7093 6943 UNI2-AS - Orange Espagne SA, ES 7545 5858 5390 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4970 4640 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4636 4611 FPT-VN - FPT Telecom Company, VN 22773 4780 4420 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4068 4044 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 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 219377 UNALLOCATED 5.252.158.0/24 6204 ZET-NET - INTERKVM HOST 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 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 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 /14:1189 /15:2118 /16:13666 /17:8239 /18:13292 /19:25418 /20:45708 /21:52576 /22:113602 /23:108779 /24:670397 /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 7034 12831 AS8151 - UNINET, MX 12479 6023 7093 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3501 3720 SHAW - Shaw Communications, CA 11492 3477 4590 CABLEONE - CABLE ONE, INC., US 22773 3051 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2813 15417 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2204 2546 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) ---------------------------------------------- 1:2535 2:2046 3:1023 4:5 5:5270 6:204 7:6 8:1425 9:74 11:172 12:1114 13:764 14:2723 15:474 16:401 17:445 18:946 20:599 21:4 22:188 23:8386 24:2746 25:2 27:2796 28:1 29:19 31:3809 32:36 34:91 35:288 36:4809 37:4402 38:10130 39:1318 40:444 41:4569 42:2189 43:3303 44:464 45:19920 46:4964 47:473 48:168 49:2442 50:2005 51:911 52:1357 54:304 55:1176 56:11 57:321 58:2769 59:1492 60:1176 61:3161 62:3154 63:1690 64:6482 65:2159 66:6048 67:3308 68:1265 69:4086 70:1057 71:606 72:3236 74:3081 75:1502 76:593 77:2903 78:2115 79:1785 80:2345 81:2301 82:4322 83:1479 84:2216 85:3872 86:1093 87:2716 88:1313 89:4735 90:786 91:8456 92:2772 93:3011 94:4657 95:4687 96:1443 97:309 98:936 99:867 100:69 101:1625 102:4710 103:32980 104:5600 105:861 106:904 107:2944 108:1303 109:3894 110:2292 111:4128 112:3100 113:1986 114:2502 115:2263 116:2101 117:3582 118:3049 119:2070 120:2740 121:1633 122:3003 123:2210 124:1968 125:3033 126:158 128:1577 129:968 130:1694 131:2476 132:893 133:488 134:1744 135:633 136:1507 137:1370 138:3409 139:1791 140:1831 141:1719 142:2584 143:2080 144:1823 145:664 146:2184 147:2262 148:2811 149:3309 150:1384 151:2951 152:2609 153:1755 154:10041 155:2352 156:4574 157:2503 158:1596 159:2866 160:3889 161:2035 162:4128 163:2620 164:2433 165:2796 166:1282 167:2364 168:4139 169:881 170:5607 171:1146 172:4902 173:3457 174:903 175:1362 176:3973 177:5137 178:4546 179:2468 180:3519 181:4708 182:4042 183:2875 184:2058 185:21839 186:6631 187:5418 188:4809 189:4635 190:10610 191:1814 192:11752 193:9622 194:7876 195:5855 196:3342 197:3246 198:6120 199:6119 200:8627 201:6654 202:10622 203:10665 204:4738 205:3700 206:4403 207:3885 208:4339 209:5378 210:4730 211:2691 212:5125 213:4090 214:1040 215:47 216:7289 217:3709 218:1772 219:411 220:2215 221:1355 222:943 223:3599 End of report