IPv4 R&E Routing Table Report 23:05 GMT Wed 24 May, 2023 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: 917311 Prefixes after maximum aggregation (per Origin AS): 348298 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449715 Number of IPv4 prefixes with a valid ROA: 401243 Number of IPv4 prefixes with an invalid ROA: 1716 Number of IPv4 prefixes with no ROA: 514352 Total ASes present in the Internet Routing Table: 74275 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63788 Origin ASes announcing only one prefix: 26254 Transit ASes present in the Internet Routing Table: 10487 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 41932 Number of 32-bit ASNs visible in the Routing Table: 34556 Prefixes from 32-bit ASNs in the Routing Table: 171013 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3056337664 Equivalent to 182 /8s, 44 /16s and 3 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 307424 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239674 Total APNIC prefixes after maximum aggregation: 68624 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233907 Unique aggregates announced from the APNIC address blocks: 98289 APNIC Region origin ASes present in the Internet Routing Table: 13328 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3924 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8697 Number of APNIC addresses announced to Internet: 772864000 Equivalent to 46 /8s, 16 /16s and 248 /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, 131072-153913 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: 268541 Total ARIN prefixes after maximum aggregation: 122251 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271467 Unique aggregates announced from the ARIN address blocks: 130459 ARIN Region origin ASes present in the Internet Routing Table: 19064 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6989 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: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4787 Number of ARIN addresses announced to Internet: 1280706304 Equivalent to 76 /8s, 86 /16s and 7 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 260203 Total RIPE prefixes after maximum aggregation: 122552 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255927 Unique aggregates announced from the RIPE address blocks: 158629 RIPE Region origin ASes present in the Internet Routing Table: 28327 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11193 Number of RIPE addresses announced to Internet: 717719296 Equivalent to 42 /8s, 199 /16s and 135 /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 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 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: 118276 Total LACNIC prefixes after maximum aggregation: 28243 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117474 Unique aggregates announced from the LACNIC address blocks: 49489 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2286 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8790 Number of LACNIC addresses announced to Internet: 176983808 Equivalent to 10 /8s, 140 /16s and 143 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29535 Total AfriNIC prefixes after maximum aggregation: 5842 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37956 Unique aggregates announced from the AfriNIC address blocks: 12373 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1089 Number of AfriNIC addresses announced to Internet: 107669248 Equivalent to 6 /8s, 106 /16s and 231 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5714 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4142 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3682 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3379 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2301 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 197 TATACOMM-AS TATA Communications formerl 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 8317 10783 2936 AMAZON-02, US 11492 4534 300 608 CABLEONE, US 7155 4014 281 51 VIASAT-SP-BACKBONE, US 22773 3536 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3083 1549 2328 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2498 360 447 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2458 24139 1533 ATT-INTERNET4, 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 7311 1706 140 UNI2-AS, ES 39891 4829 286 61 ALJAWWALSTC-AS, SA 20940 4100 3398 162 AKAMAI-ASN1, NL 8551 3877 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2723 250 1407 M247, RO 34984 2278 360 607 TELLCOM-AS, TR 6849 1983 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1627 109 1222 ASDETUK www.heficed.com, US 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 11331 3349 603 Uninet S.A. de C.V., MX 10620 3521 508 855 Telmex Colombia S.A., CO 13999 2317 360 622 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 510 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1095 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 TIM SA, 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 24863 1573 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1029 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 484 32 1 MOVITEL, 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 8151 11331 3349 603 Uninet S.A. de C.V., MX 9808 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8317 10783 2936 AMAZON-02, US 12479 7311 1706 140 UNI2-AS, ES 7545 5714 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 286 61 ALJAWWALSTC-AS, SA 11492 4534 300 608 CABLEONE, US 18403 4142 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4100 3398 162 AKAMAI-ASN1, NL 7155 4014 281 51 VIASAT-SP-BACKBONE, 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 9482 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7311 7171 UNI2-AS, ES 16509 8317 5381 AMAZON-02, US 7545 5714 5024 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 4768 ALJAWWALSTC-AS, SA 18403 4142 4117 FPT-AS-AP FPT Telecom Company, VN 7155 4014 3963 VIASAT-SP-BACKBONE, US 20940 4100 3938 AKAMAI-ASN1, NL 11492 4534 3926 CABLEONE, US 8551 3877 3843 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:104 /12:301 /13:579 /14:1198 /15:2089 /16:13428 /17:8145 /18:13715 /19:24788 /20:42948 /21:50984 /22:109137 /23:97722 /24:552096 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6383 7311 UNI2-AS, ES 8151 5293 11331 Uninet S.A. de C.V., MX 39891 3628 4829 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3350 3877 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3524 SHAW, CA 7155 3039 4014 VIASAT-SP-BACKBONE, US 22773 2607 3536 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2074 3521 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2137 2:1311 3:181 4:5 5:4539 6:129 7:6 8:1513 9:1 11:172 12:1538 13:388 14:2298 15:303 16:186 17:373 18:424 20:258 21:4 22:188 23:6278 24:2592 25:6 27:2500 29:19 31:2493 32:77 34:21 35:109 36:1968 37:4666 38:4658 39:845 40:151 41:3958 42:1946 43:2344 44:311 45:16446 46:4311 47:358 49:1742 50:1860 51:576 52:1593 54:392 55:849 56:8 57:116 58:1817 59:1078 60:986 61:2523 62:2690 63:1938 64:5665 65:2323 66:4998 67:2917 68:1337 69:4130 70:1191 71:669 72:2987 74:2602 75:1553 76:603 77:2419 78:1800 79:3172 80:2134 81:1786 82:1494 83:1266 84:1512 85:2984 86:762 87:2005 88:1160 89:3711 90:614 91:7733 92:2066 93:2609 94:3627 95:4045 96:1306 97:337 98:1092 99:745 100:69 101:1308 102:2746 103:31275 104:4681 105:502 106:941 107:2575 108:1039 109:4405 110:2093 111:3114 112:2033 113:1723 114:1646 115:1996 116:1888 117:2550 118:2606 119:2002 120:1796 121:1065 122:2585 123:2129 124:1567 125:2458 128:1407 129:1013 130:1005 131:1973 132:847 133:422 134:1915 135:306 136:879 137:948 138:2576 139:1536 140:1241 141:1424 142:1440 143:1525 144:1154 145:346 146:1923 147:1586 148:2354 149:2243 150:872 151:1151 152:1931 153:487 154:4431 155:1437 156:1786 157:1323 158:1076 159:2236 160:2548 161:1545 162:3521 163:1517 164:1604 165:1782 166:1084 167:1730 168:3837 169:943 170:4579 171:899 172:3567 173:2948 174:1046 175:1172 176:3680 177:4621 178:3583 179:2204 180:2613 181:3504 182:3354 183:2100 184:2339 185:20263 186:4825 187:4018 188:4094 189:3670 190:9162 191:1459 192:10934 193:8872 194:7286 195:5200 196:3194 197:2375 198:5884 199:6089 200:7915 201:5901 202:10346 203:10250 204:4565 205:3670 206:4212 207:3392 208:4079 209:4867 210:4164 211:2428 212:4161 213:3611 214:1082 215:59 216:6651 217:2716 218:1270 219:412 220:1757 221:969 222:710 223:2146 End of report