IPv4 R&E Routing Table Report 23:00 GMT Thu 27 Aug, 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: 1067102 Prefixes after maximum aggregation (per Origin AS): 410678 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 529405 Number of IPv4 prefixes with a valid ROA: 739176 Number of IPv4 prefixes with an invalid ROA: 420 Number of IPv4 prefixes with no ROA: 327506 Total ASes present in the Internet Routing Table: 79076 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 67702 Origin ASes announcing only one prefix: 27712 Transit ASes present in the Internet Routing Table: 11374 Transit-only ASes present in the Internet Routing Table: 625 Paths with bogon ASNs present in the IPv4 Routing Table: 65 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: 1241 Number of instances of unregistered ASNs: 1252 Number of 32-bit ASNs allocated by the RIRs: 50980 Number of 32-bit ASNs visible in the Routing Table: 41445 Prefixes from 32-bit ASNs in the Routing Table: 239707 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3123721216 Equivalent to 186 /8s, 48 /16s and 52 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 351020 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290728 Total APNIC prefixes after maximum aggregation: 85032 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 277387 Unique aggregates announced from the APNIC address blocks: 109581 APNIC Region origin ASes present in the Internet Routing Table: 15295 APNIC Prefixes per ASN: 18.14 APNIC Region origin ASes announcing only one prefix: 4696 APNIC Region transit ASes present in the Internet Routing Table: 2078 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: 10919 Number of APNIC addresses announced to Internet: 748441856 Equivalent to 44 /8s, 156 /16s and 81 /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: 308900 Total ARIN prefixes after maximum aggregation: 138826 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 306728 Unique aggregates announced from the ARIN address blocks: 150868 ARIN Region origin ASes present in the Internet Routing Table: 19492 ARIN Prefixes per ASN: 15.74 ARIN Region origin ASes announcing only one prefix: 7180 ARIN Region transit ASes present in the Internet Routing Table: 1929 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: 5755 Number of ARIN addresses announced to Internet: 1353287936 Equivalent to 80 /8s, 169 /16s and 137 /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: 297167 Total RIPE prefixes after maximum aggregation: 147582 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 302877 Unique aggregates announced from the RIPE address blocks: 198083 RIPE Region origin ASes present in the Internet Routing Table: 29746 RIPE Prefixes per ASN: 10.18 RIPE Region origin ASes announcing only one prefix: 12303 RIPE Region transit ASes present in the Internet Routing Table: 4136 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13767 Number of RIPE addresses announced to Internet: 749926144 Equivalent to 44 /8s, 178 /16s and 247 /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: 131303 Total LACNIC prefixes after maximum aggregation: 31476 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 125471 Unique aggregates announced from the LACNIC address blocks: 51384 LACNIC Region origin ASes present in the Internet Routing Table: 11475 LACNIC Prefixes per ASN: 10.93 LACNIC Region origin ASes announcing only one prefix: 2782 LACNIC Region transit ASes present in the Internet Routing Table: 2634 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: 9568 Number of LACNIC addresses announced to Internet: 168162816 Equivalent to 10 /8s, 5 /16s and 246 /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: 37763 Total AfriNIC prefixes after maximum aggregation: 7030 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 54119 Unique aggregates announced from the AfriNIC address blocks: 19043 AfriNIC Region origin ASes present in the Internet Routing Table: 2069 AfriNIC Prefixes per ASN: 26.16 AfriNIC Region origin ASes announcing only one prefix: 751 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 102 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1436 Number of AfriNIC addresses announced to Internet: 103618304 Equivalent to 6 /8s, 45 /16s and 23 /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 14131 8736 124 CHINAMOBILE-CN - China Mobile Communicati 9498 5076 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4659 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4077 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3660 1043 65 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3618 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3397 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3106 316 1809 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 17561 2796 175 486 LCS-AS-AP - LARUS Limited, HK 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 16289 42640 5645 AMAZON-02 - Amazon.com, Inc., US 22773 4870 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4608 306 1135 CABLEONE - CABLE ONE, INC., US 7155 4003 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3744 1305 74 SHAW - Shaw Communications, CA 396982 3465 4879 550 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3173 237 1112 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 2781 2591 890 WINDSTREAM - Windstream Communications LL 31898 2683 1343 1152 ORACLE-BMC-31898 - Oracle Corporation, US 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 6967 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4182 374 2539 M247 - M247 Europe SRL, RO 20940 3802 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3531 255 2662 CDNEXT - Datacamp Limited, GB 12389 3113 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2513 369 585 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1945 122 911 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1721 1852 14 TE-AS - IDDQD-AS, EG 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 13100 3289 611 AS8151 - UNINET, MX 10620 3445 451 1108 AS10620 - Telmex Colombia S.A., CO 13999 2254 496 330 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1884 369 65 AS11830 - Instituto Costarricense de Elec 11664 1501 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1194 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1098 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1089 75 55 AS27715 - Locaweb Servicos de Internet S/ 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 1982 537 31 Vodafone Data - Vodafone Data, EG 36992 1929 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1296 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1254 523 49 Vodafone Data - Vodafone Data, EG 37069 1120 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 558 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 552 82 3 Kenya Education Network - Kenya Education 37342 541 32 1 Movitel, SA - Movitel, SA, MZ 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 16289 42640 5645 AMAZON-02 - Amazon.com, Inc., US 9808 14131 8736 124 CHINAMOBILE-CN - China Mobile Communicati 8151 13100 3289 611 AS8151 - UNINET, MX 12479 6967 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5076 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4870 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4659 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4608 306 1135 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 14131 14007 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13100 12489 AS8151 - UNINET, MX 12479 6967 6817 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5076 4734 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4659 4635 FPT-VN - FPT Telecom Company, VN 22773 4870 4444 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4361 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4077 4053 VIETEL-AS-AP - Viettel Group, VN 7155 4003 3916 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 8.33.224.0/24 174 COGENT-174 - Cogent Com 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 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 2914 NTT-DATA-2914 - NTT America, Inc., US 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 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 /13:590 /14:1192 /15:2128 /16:13713 /17:8231 /18:13219 /19:25434 /20:45647 /21:53495 /22:113501 /23:110386 /24:679101 /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 7271 13100 AS8151 - UNINET, MX 12479 5895 6967 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3523 3744 SHAW - Shaw Communications, CA 11492 3513 4608 CABLEONE - CABLE ONE, INC., US 16509 3143 16289 AMAZON-02 - Amazon.com, Inc., US 22773 3111 4870 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2952 4003 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2249 3445 AS10620 - Telmex Colombia S.A., CO 30036 2197 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) ---------------------------------------------- 1:2704 2:2872 3:1125 4:5 5:5380 6:207 7:6 8:1353 9:97 11:172 12:1096 13:929 14:2694 15:485 16:269 17:463 18:1060 20:602 21:4 22:188 23:8541 24:2815 25:2 27:2933 28:7 29:19 31:3853 32:36 34:94 35:292 36:4911 37:4484 38:10321 39:1393 40:431 41:4616 42:2250 43:3475 44:502 45:19922 46:5003 47:479 48:171 49:2441 50:2009 51:887 52:1380 54:325 55:1077 56:11 57:330 58:2488 59:1374 60:1195 61:3256 62:3171 63:1715 64:6611 65:2185 66:6238 67:3332 68:1319 69:4106 70:1047 71:601 72:3265 74:3124 75:1610 76:590 77:3023 78:2146 79:1842 80:2373 81:2302 82:4394 83:1495 84:2134 85:3925 86:1137 87:2989 88:1334 89:4862 90:760 91:8517 92:2767 93:3040 94:4548 95:4790 96:1452 97:305 98:937 99:1000 100:65 101:1601 102:4784 103:33143 104:5704 105:927 106:928 107:3002 108:1456 109:3994 110:2255 111:4226 112:3151 113:1957 114:2579 115:2310 116:2126 117:3858 118:3024 119:2132 120:2822 121:1835 122:3064 123:2215 124:1735 125:3027 126:156 128:1572 129:972 130:1740 131:2530 132:887 133:492 134:1780 135:675 136:1567 137:1391 138:3452 139:1817 140:1865 141:1834 142:2654 143:2223 144:1878 145:690 146:2215 147:2365 148:2858 149:3647 150:1470 151:3011 152:2676 153:2081 154:9486 155:2390 156:4086 157:2538 158:1645 159:2943 160:4069 161:2100 162:4238 163:2715 164:2443 165:2784 166:1220 167:2387 168:4241 169:933 170:5633 171:1126 172:4900 173:3464 174:892 175:1419 176:4053 177:5576 178:4643 179:2798 180:3498 181:4673 182:4081 183:2884 184:2063 185:21971 186:6566 187:5770 188:4775 189:4762 190:10016 191:1873 192:11818 193:9627 194:7949 195:5934 196:3410 197:3230 198:6166 199:6122 200:8299 201:6816 202:10681 203:10716 204:4711 205:3723 206:4388 207:3917 208:4312 209:5454 210:4740 211:2723 212:5335 213:4140 214:1029 215:47 216:7322 217:3761 218:1922 219:421 220:2245 221:1464 222:974 223:3613 End of report