IPv4 R&E Routing Table Report 23:05 GMT Tue 30 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: 917852 Prefixes after maximum aggregation (per Origin AS): 348448 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450026 Number of IPv4 prefixes with a valid ROA: 404955 Number of IPv4 prefixes with an invalid ROA: 1705 Number of IPv4 prefixes with no ROA: 511192 Total ASes present in the Internet Routing Table: 74293 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63805 Origin ASes announcing only one prefix: 26248 Transit ASes present in the Internet Routing Table: 10488 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1070 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 41974 Number of 32-bit ASNs visible in the Routing Table: 34597 Prefixes from 32-bit ASNs in the Routing Table: 171633 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: 584 Number of addresses announced to Internet: 3055239936 Equivalent to 182 /8s, 27 /16s and 67 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307575 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239975 Total APNIC prefixes after maximum aggregation: 68705 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233981 Unique aggregates announced from the APNIC address blocks: 98308 APNIC Region origin ASes present in the Internet Routing Table: 13356 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3937 APNIC Region transit ASes present in the Internet Routing Table: 1800 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8722 Number of APNIC addresses announced to Internet: 772807168 Equivalent to 46 /8s, 16 /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, 131072-153913 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: 268695 Total ARIN prefixes after maximum aggregation: 122320 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271686 Unique aggregates announced from the ARIN address blocks: 130605 ARIN Region origin ASes present in the Internet Routing Table: 19067 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4793 Number of ARIN addresses announced to Internet: 1280071936 Equivalent to 76 /8s, 76 /16s and 89 /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: 260110 Total RIPE prefixes after maximum aggregation: 122513 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255865 Unique aggregates announced from the RIPE address blocks: 158748 RIPE Region origin ASes present in the Internet Routing Table: 28305 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 3972 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: 11197 Number of RIPE addresses announced to Internet: 717923328 Equivalent to 42 /8s, 202 /16s and 164 /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: 118467 Total LACNIC prefixes after maximum aggregation: 28291 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117669 Unique aggregates announced from the LACNIC address blocks: 49473 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2280 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: 8789 Number of LACNIC addresses announced to Internet: 177004544 Equivalent to 10 /8s, 140 /16s and 224 /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: 5843 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38067 Unique aggregates announced from the AfriNIC address blocks: 12412 AfriNIC Region origin ASes present in the Internet Routing Table: 1746 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1096 Number of AfriNIC addresses announced to Internet: 107035392 Equivalent to 6 /8s, 97 /16s and 59 /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 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5719 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4203 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3674 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2980 496 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2400 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 198 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 8321 10787 2995 AMAZON-02, US 11492 4519 299 618 CABLEONE, US 7155 4041 282 62 VIASAT-SP-BACKBONE, US 22773 3562 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3084 1549 2324 AKAMAI-AS, US 396982 2657 3593 373 GOOGLE-CLOUD-PLATFORM, US 30036 2506 361 416 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2470 24000 1550 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 7302 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4103 3398 160 AKAMAI-ASN1, NL 8551 3881 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2657 247 1385 M247, RO 34984 2277 360 606 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1826 945 533 TCI, IR 61317 1681 112 1260 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 11338 3354 609 Uninet S.A. de C.V., MX 10620 3519 508 857 Telmex Colombia S.A., CO 13999 2359 364 626 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 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 1097 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1037 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 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1033 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 485 32 1 MOVITEL, MZ 24757 483 73 5 EthioNet-AS, ET 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 11338 3354 609 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8321 10787 2995 AMAZON-02, US 12479 7302 1707 141 UNI2-AS, ES 7545 5719 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 299 618 CABLEONE, US 18403 4203 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4103 3398 160 AKAMAI-ASN1, NL 7155 4041 282 62 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 9469 9432 CHINAMOBILE-CN China Mobile Communications Grou 12479 7302 7161 UNI2-AS, ES 16509 8321 5326 AMAZON-02, US 7545 5719 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4203 4178 FPT-AS-AP FPT Telecom Company, VN 7155 4041 3979 VIASAT-SP-BACKBONE, US 20940 4103 3943 AKAMAI-ASN1, NL 11492 4519 3901 CABLEONE, US 8551 3881 3847 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 /11:103 /12:301 /13:579 /14:1198 /15:2091 /16:13426 /17:8140 /18:13710 /19:24791 /20:42931 /21:50979 /22:109171 /23:97844 /24:552511 /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 6386 7302 UNI2-AS, ES 8151 5292 11338 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3430 4519 CABLEONE, US 8551 3354 3881 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3064 4041 VIASAT-SP-BACKBONE, US 22773 2633 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2506 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3519 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) ---------------------------------------------- 1:2146 2:1232 3:181 4:5 5:4544 6:129 7:6 8:1511 9:1 11:172 12:1536 13:383 14:2296 15:304 16:192 17:373 18:429 20:263 21:4 22:188 23:6296 24:2591 25:6 27:2499 29:19 31:2495 32:79 34:21 35:108 36:1970 37:4653 38:4720 39:845 40:151 41:3951 42:1969 43:2345 44:308 45:16474 46:4318 47:362 49:1746 50:1864 51:584 52:1591 54:393 55:841 56:8 57:116 58:1801 59:1057 60:988 61:2529 62:2710 63:1921 64:5665 65:2309 66:4992 67:2916 68:1342 69:4127 70:1201 71:670 72:2993 74:2599 75:1553 76:607 77:2416 78:1806 79:3190 80:2136 81:1771 82:1499 83:1255 84:1514 85:2984 86:770 87:2030 88:1172 89:3693 90:616 91:7750 92:2060 93:2612 94:3600 95:4036 96:1303 97:336 98:1093 99:745 100:69 101:1312 102:2758 103:31374 104:4679 105:502 106:940 107:2582 108:1040 109:4404 110:2084 111:3113 112:2027 113:1725 114:1643 115:1998 116:1887 117:2536 118:2620 119:2004 120:1798 121:1064 122:2587 123:2128 124:1571 125:2462 128:1436 129:1046 130:1006 131:1979 132:849 133:422 134:1911 135:306 136:877 137:952 138:2568 139:1541 140:1234 141:1427 142:1442 143:1536 144:1152 145:346 146:1940 147:1587 148:2380 149:2216 150:873 151:1151 152:1921 153:491 154:4523 155:1441 156:1783 157:1324 158:1077 159:2233 160:2549 161:1544 162:3521 163:1517 164:1609 165:1786 166:1110 167:1735 168:3845 169:942 170:4586 171:901 172:3568 173:2952 174:1043 175:1169 176:3689 177:4686 178:3579 179:2233 180:2551 181:3488 182:3339 183:2085 184:2339 185:20265 186:4802 187:4036 188:4091 189:3667 190:9185 191:1463 192:10922 193:8857 194:7271 195:5137 196:3193 197:2374 198:5892 199:6091 200:7933 201:5906 202:10382 203:10279 204:4556 205:3682 206:4209 207:3392 208:4085 209:4856 210:4162 211:2439 212:4202 213:3620 214:1080 215:59 216:6651 217:2710 218:1269 219:410 220:1758 221:967 222:680 223:2150 End of report