IPv4 R&E Routing Table Report 23:00 GMT Thu 20 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: 1064585 Prefixes after maximum aggregation (per Origin AS): 409101 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 527985 Number of IPv4 prefixes with a valid ROA: 734545 Number of IPv4 prefixes with an invalid ROA: 407 Number of IPv4 prefixes with no ROA: 329633 Total ASes present in the Internet Routing Table: 79047 Prefixes per ASN: 13.47 Origin-only ASes present in the Internet Routing Table: 67687 Origin ASes announcing only one prefix: 27662 Transit ASes present in the Internet Routing Table: 11360 Transit-only ASes present in the Internet Routing Table: 617 Paths with bogon ASNs present in the IPv4 Routing Table: 51 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: 1317 Number of instances of unregistered ASNs: 1356 Number of 32-bit ASNs allocated by the RIRs: 50908 Number of 32-bit ASNs visible in the Routing Table: 41403 Prefixes from 32-bit ASNs in the Routing Table: 239217 Number of bogon 32-bit ASNs visible in the Routing Table: 92 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3119725312 Equivalent to 185 /8s, 243 /16s and 59 /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: 349420 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290657 Total APNIC prefixes after maximum aggregation: 84173 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 277231 Unique aggregates announced from the APNIC address blocks: 109371 APNIC Region origin ASes present in the Internet Routing Table: 15294 APNIC Prefixes per ASN: 18.13 APNIC Region origin ASes announcing only one prefix: 4672 APNIC Region transit ASes present in the Internet Routing Table: 2073 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: 10911 Number of APNIC addresses announced to Internet: 748317696 Equivalent to 44 /8s, 154 /16s and 108 /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: 307529 Total ARIN prefixes after maximum aggregation: 138488 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 305833 Unique aggregates announced from the ARIN address blocks: 150594 ARIN Region origin ASes present in the Internet Routing Table: 19484 ARIN Prefixes per ASN: 15.70 ARIN Region origin ASes announcing only one prefix: 7177 ARIN Region transit ASes present in the Internet Routing Table: 1924 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: 5744 Number of ARIN addresses announced to Internet: 1350161920 Equivalent to 80 /8s, 121 /16s and 214 /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: 296726 Total RIPE prefixes after maximum aggregation: 147284 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 301999 Unique aggregates announced from the RIPE address blocks: 197333 RIPE Region origin ASes present in the Internet Routing Table: 29735 RIPE Prefixes per ASN: 10.16 RIPE Region origin ASes announcing only one prefix: 12290 RIPE Region transit ASes present in the Internet Routing Table: 4148 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: 13747 Number of RIPE addresses announced to Internet: 749644800 Equivalent to 44 /8s, 174 /16s and 172 /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: 130602 Total LACNIC prefixes after maximum aggregation: 31403 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 124833 Unique aggregates announced from the LACNIC address blocks: 51198 LACNIC Region origin ASes present in the Internet Routing Table: 11479 LACNIC Prefixes per ASN: 10.87 LACNIC Region origin ASes announcing only one prefix: 2779 LACNIC Region transit ASes present in the Internet Routing Table: 2625 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: 9570 Number of LACNIC addresses announced to Internet: 168168192 Equivalent to 10 /8s, 6 /16s and 11 /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: 37754 Total AfriNIC prefixes after maximum aggregation: 7017 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 54174 Unique aggregates announced from the AfriNIC address blocks: 19062 AfriNIC Region origin ASes present in the Internet Routing Table: 2065 AfriNIC Prefixes per ASN: 26.23 AfriNIC Region origin ASes announcing only one prefix: 744 AfriNIC Region transit ASes present in the Internet Routing Table: 376 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1431 Number of AfriNIC addresses announced to Internet: 103143168 Equivalent to 6 /8s, 37 /16s and 215 /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 14128 8736 124 CHINAMOBILE-CN - China Mobile Communicati 7545 5839 832 279 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5067 559 340 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4617 347 24 FPT-VN - FPT Telecom Company, VN 7552 4075 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3770 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3614 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3402 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3104 312 1958 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 17561 2812 176 492 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 15826 42019 5709 AMAZON-02 - Amazon.com, Inc., US 22773 4805 3166 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4600 306 1141 CABLEONE - CABLE ONE, INC., US 7155 3998 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3743 1305 74 SHAW - Shaw Communications, CA 396982 3461 4879 548 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3174 237 1110 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 2770 2591 888 WINDSTREAM - Windstream Communications LL 31898 2643 1340 1167 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 6978 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4160 373 2544 M247 - M247 Europe SRL, RO 20940 3811 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3527 254 2658 CDNEXT - Datacamp Limited, GB 12389 3119 2329 867 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2514 369 584 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1947 122 912 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1717 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 13074 3285 612 AS8151 - UNINET, MX 10620 3444 451 1107 AS10620 - Telmex Colombia S.A., CO 13999 2264 499 331 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1885 369 65 AS11830 - Instituto Costarricense de Elec 11664 1500 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1330 765 218 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1195 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1095 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1049 2344 93 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 1982 537 31 Vodafone Data - Vodafone Data, EG 36992 1928 1543 333 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 1116 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 547 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 15826 42019 5709 AMAZON-02 - Amazon.com, Inc., US 9808 14128 8736 124 CHINAMOBILE-CN - China Mobile Communicati 8151 13074 3285 612 AS8151 - UNINET, MX 12479 6978 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5839 832 279 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5067 559 340 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4805 3166 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4617 347 24 FPT-VN - FPT Telecom Company, VN 11492 4600 306 1141 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 14128 14004 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13074 12462 AS8151 - UNINET, MX 12479 6978 6828 UNI2-AS - Orange Espagne SA, ES 7545 5839 5560 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5067 4727 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4617 4593 FPT-VN - FPT Telecom Company, VN 22773 4805 4436 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4075 4051 VIETEL-AS-AP - Viettel Group, VN 7155 3998 3911 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 /13:588 /14:1187 /15:2124 /16:13672 /17:8230 /18:13210 /19:25425 /20:45609 /21:53420 /22:113588 /23:110164 /24:676903 /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 7248 13074 AS8151 - UNINET, MX 12479 5909 6978 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3522 3743 SHAW - Shaw Communications, CA 11492 3505 4600 CABLEONE - CABLE ONE, INC., US 22773 3053 4805 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 3008 15826 AMAZON-02 - Amazon.com, Inc., US 7155 2951 3998 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2248 3444 AS10620 - Telmex Colombia S.A., CO 30036 2206 2552 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) ---------------------------------------------- 1:2667 2:2857 3:1024 4:5 5:5362 6:194 7:6 8:1351 9:97 11:172 12:1099 13:877 14:2756 15:488 16:269 17:461 18:942 20:599 21:4 22:188 23:8532 24:2727 25:2 27:2952 28:6 29:19 31:3837 32:36 34:94 35:292 36:4903 37:4465 38:10376 39:1383 40:423 41:4654 42:2222 43:3446 44:503 45:19935 46:4992 47:478 48:171 49:2437 50:2016 51:844 52:1368 54:323 55:1073 56:11 57:329 58:2455 59:1373 60:1256 61:3254 62:3159 63:1734 64:6603 65:2179 66:6227 67:3333 68:1293 69:4082 70:1047 71:604 72:3246 74:3104 75:1606 76:589 77:2917 78:2122 79:1837 80:2372 81:2301 82:4400 83:1493 84:2156 85:3919 86:1133 87:2974 88:1334 89:4852 90:765 91:8526 92:2746 93:3051 94:4533 95:4771 96:1451 97:308 98:938 99:966 100:65 101:1594 102:4774 103:33108 104:5642 105:839 106:927 107:2991 108:1382 109:3948 110:2288 111:4217 112:3146 113:1946 114:2580 115:2310 116:2120 117:3863 118:3057 119:2121 120:2821 121:1833 122:3064 123:2225 124:1742 125:3028 126:156 128:1567 129:972 130:1724 131:2529 132:886 133:492 134:1762 135:654 136:1575 137:1390 138:3441 139:1808 140:1911 141:1832 142:2640 143:2211 144:1879 145:675 146:2191 147:2338 148:2844 149:3639 150:1439 151:3013 152:2665 153:2051 154:9624 155:2402 156:4148 157:2539 158:1641 159:2928 160:4058 161:2082 162:4221 163:2704 164:2427 165:2789 166:1219 167:2395 168:4227 169:916 170:5638 171:1127 172:4904 173:3476 174:889 175:1417 176:4044 177:5385 178:4571 179:2621 180:3426 181:4655 182:4088 183:2874 184:2064 185:21982 186:6439 187:5749 188:4697 189:4766 190:9961 191:1845 192:11814 193:9652 194:7953 195:5926 196:3427 197:3252 198:6180 199:6111 200:8301 201:6749 202:10640 203:10717 204:4718 205:3681 206:4391 207:3915 208:4315 209:5413 210:4743 211:2719 212:5252 213:4131 214:1025 215:47 216:7326 217:3763 218:1900 219:419 220:2260 221:1453 222:969 223:3612 End of report