IPv4 R&E Routing Table Report 23:05 GMT Sat 27 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: 917825 Prefixes after maximum aggregation (per Origin AS): 348393 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449726 Number of IPv4 prefixes with a valid ROA: 404161 Number of IPv4 prefixes with an invalid ROA: 1729 Number of IPv4 prefixes with no ROA: 511935 Total ASes present in the Internet Routing Table: 74281 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63805 Origin ASes announcing only one prefix: 26236 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1077 Number of instances of unregistered ASNs: 1079 Number of 32-bit ASNs allocated by the RIRs: 41965 Number of 32-bit ASNs visible in the Routing Table: 34566 Prefixes from 32-bit ASNs in the Routing Table: 171412 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: 577 Number of addresses announced to Internet: 3055002624 Equivalent to 182 /8s, 23 /16s and 164 /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: 307680 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239924 Total APNIC prefixes after maximum aggregation: 68648 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233980 Unique aggregates announced from the APNIC address blocks: 98222 APNIC Region origin ASes present in the Internet Routing Table: 13337 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3930 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8709 Number of APNIC addresses announced to Internet: 772754688 Equivalent to 46 /8s, 15 /16s and 77 /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: 268669 Total ARIN prefixes after maximum aggregation: 122374 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271562 Unique aggregates announced from the ARIN address blocks: 130461 ARIN Region origin ASes present in the Internet Routing Table: 19069 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 4791 Number of ARIN addresses announced to Internet: 1280067072 Equivalent to 76 /8s, 76 /16s and 70 /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: 260232 Total RIPE prefixes after maximum aggregation: 122505 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256053 Unique aggregates announced from the RIPE address blocks: 158707 RIPE Region origin ASes present in the Internet Routing Table: 28320 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3969 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: 11192 Number of RIPE addresses announced to Internet: 717788160 Equivalent to 42 /8s, 200 /16s and 148 /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: 118472 Total LACNIC prefixes after maximum aggregation: 28255 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117676 Unique aggregates announced from the LACNIC address blocks: 49475 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2281 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: 8791 Number of LACNIC addresses announced to Internet: 177045760 Equivalent to 10 /8s, 141 /16s and 129 /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: 29451 Total AfriNIC prefixes after maximum aggregation: 5831 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37977 Unique aggregates announced from the AfriNIC address blocks: 12386 AfriNIC Region origin ASes present in the Internet Routing Table: 1731 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1083 Number of AfriNIC addresses announced to Internet: 106952192 Equivalent to 6 /8s, 95 /16s and 246 /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 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5719 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4190 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2963 491 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 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 8305 10782 2991 AMAZON-02, US 11492 4525 300 605 CABLEONE, US 7155 4041 282 62 VIASAT-SP-BACKBONE, US 22773 3564 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3071 1541 2323 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2505 361 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2475 24000 1555 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 7309 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4095 3398 157 AKAMAI-ASN1, NL 8551 3878 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2292 910 ROSTELECOM-AS, RU 9009 2657 247 1385 M247, RO 34984 2278 360 607 TELLCOM-AS, TR 6849 1958 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1645 110 1235 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 11330 3355 597 Uninet S.A. de C.V., MX 10620 3522 508 853 Telmex Colombia S.A., CO 13999 2358 364 629 Mega Cable, S.A. de C.V., MX 11830 2271 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 1095 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1038 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 1572 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 1030 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 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 11330 3355 597 Uninet S.A. de C.V., MX 9808 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8305 10782 2991 AMAZON-02, US 12479 7309 1707 141 UNI2-AS, ES 7545 5719 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 605 CABLEONE, US 18403 4190 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4095 3398 157 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 9476 9439 CHINAMOBILE-CN China Mobile Communications Grou 12479 7309 7168 UNI2-AS, ES 16509 8305 5314 AMAZON-02, US 7545 5719 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4190 4165 FPT-AS-AP FPT Telecom Company, VN 7155 4041 3979 VIASAT-SP-BACKBONE, US 20940 4095 3938 AKAMAI-ASN1, NL 11492 4525 3920 CABLEONE, US 8551 3878 3844 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 23.154.40.0/24 Origin: 18470 -Reserved AS-, US 23.154.40.0/24 Transit: 21700 NEPTUNE-NETWORKS, US 23.154.56.0/24 Origin: 17024 -Reserved AS-, US 23.154.56.0/24 Transit: 36369 LIMEWAVE, CA 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 /15:2089 /16:13425 /17:8137 /18:13717 /19:24793 /20:42928 /21:51008 /22:109197 /23:97796 /24:552477 /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 6387 7309 UNI2-AS, ES 8151 5281 11330 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 8551 3351 3878 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3064 4041 VIASAT-SP-BACKBONE, US 22773 2635 3564 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2075 3522 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) ---------------------------------------------- 1:2144 2:1309 3:181 4:5 5:4545 6:129 7:6 8:1512 9:1 11:172 12:1538 13:385 14:2297 15:304 16:189 17:373 18:421 20:258 21:4 22:188 23:6291 24:2590 25:6 27:2499 29:19 31:2497 32:77 34:21 35:108 36:1968 37:4657 38:4667 39:844 40:151 41:3917 42:1968 43:2344 44:311 45:16470 46:4327 47:358 49:1742 50:1857 51:584 52:1592 54:392 55:843 56:8 57:116 58:1818 59:1067 60:987 61:2523 62:2689 63:1925 64:5668 65:2315 66:5005 67:2922 68:1344 69:4130 70:1201 71:670 72:2994 74:2600 75:1554 76:606 77:2421 78:1807 79:3180 80:2141 81:1787 82:1487 83:1262 84:1518 85:2986 86:763 87:2010 88:1162 89:3690 90:615 91:7739 92:2062 93:2601 94:3621 95:4037 96:1302 97:336 98:1092 99:745 100:69 101:1311 102:2740 103:31331 104:4671 105:504 106:939 107:2588 108:1043 109:4400 110:2091 111:3109 112:2033 113:1731 114:1644 115:1994 116:1888 117:2528 118:2616 119:2003 120:1797 121:1068 122:2584 123:2129 124:1569 125:2462 128:1401 129:1045 130:1009 131:1966 132:850 133:422 134:1914 135:306 136:876 137:950 138:2575 139:1538 140:1243 141:1432 142:1440 143:1539 144:1149 145:346 146:1938 147:1588 148:2359 149:2247 150:873 151:1151 152:1928 153:491 154:4490 155:1437 156:1781 157:1321 158:1077 159:2232 160:2554 161:1545 162:3525 163:1526 164:1604 165:1780 166:1090 167:1734 168:3862 169:945 170:4590 171:900 172:3570 173:2955 174:1045 175:1170 176:3688 177:4710 178:3577 179:2222 180:2549 181:3494 182:3350 183:2087 184:2340 185:20284 186:4821 187:4000 188:4104 189:3674 190:9164 191:1479 192:10934 193:8866 194:7284 195:5135 196:3199 197:2373 198:5891 199:6089 200:7920 201:5898 202:10375 203:10270 204:4565 205:3683 206:4203 207:3395 208:4087 209:4865 210:4164 211:2435 212:4190 213:3619 214:1079 215:59 216:6658 217:2717 218:1268 219:410 220:1757 221:969 222:710 223:2149 End of report