IPv4 R&E Routing Table Report 23:05 GMT Tue 16 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: 916567 Prefixes after maximum aggregation (per Origin AS): 347891 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448770 Number of IPv4 prefixes with a valid ROA: 399067 Number of IPv4 prefixes with an invalid ROA: 1785 Number of IPv4 prefixes with no ROA: 515715 Total ASes present in the Internet Routing Table: 74253 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63786 Origin ASes announcing only one prefix: 26231 Transit ASes present in the Internet Routing Table: 10467 Transit-only ASes present in the Internet Routing Table: 426 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1099 Number of instances of unregistered ASNs: 1099 Number of 32-bit ASNs allocated by the RIRs: 41864 Number of 32-bit ASNs visible in the Routing Table: 34530 Prefixes from 32-bit ASNs in the Routing Table: 170819 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 623 Number of addresses announced to Internet: 3056022784 Equivalent to 182 /8s, 39 /16s and 53 /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: 307163 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239768 Total APNIC prefixes after maximum aggregation: 68554 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234058 Unique aggregates announced from the APNIC address blocks: 98134 APNIC Region origin ASes present in the Internet Routing Table: 13336 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3930 APNIC Region transit ASes present in the Internet Routing Table: 1783 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: 8703 Number of APNIC addresses announced to Internet: 772795648 Equivalent to 46 /8s, 15 /16s and 237 /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, 131072-151865 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: 268375 Total ARIN prefixes after maximum aggregation: 122118 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271085 Unique aggregates announced from the ARIN address blocks: 130199 ARIN Region origin ASes present in the Internet Routing Table: 19064 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4785 Number of ARIN addresses announced to Internet: 1280723968 Equivalent to 76 /8s, 86 /16s and 76 /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: 259830 Total RIPE prefixes after maximum aggregation: 122364 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255681 Unique aggregates announced from the RIPE address blocks: 158289 RIPE Region origin ASes present in the Internet Routing Table: 28311 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3967 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: 11179 Number of RIPE addresses announced to Internet: 717803776 Equivalent to 42 /8s, 200 /16s and 209 /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: 118093 Total LACNIC prefixes after maximum aggregation: 28219 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117357 Unique aggregates announced from the LACNIC address blocks: 49333 LACNIC Region origin ASes present in the Internet Routing Table: 10984 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2634 LACNIC Region transit ASes present in the Internet Routing Table: 2287 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: 8775 Number of LACNIC addresses announced to Internet: 176698880 Equivalent to 10 /8s, 136 /16s and 54 /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: 29402 Total AfriNIC prefixes after maximum aggregation: 5842 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37763 Unique aggregates announced from the AfriNIC address blocks: 12296 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 21.70 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: 5.0 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1088 Number of AfriNIC addresses announced to Internet: 107590400 Equivalent to 6 /8s, 105 /16s and 179 /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 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4121 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3572 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2960 491 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2394 836 449 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2300 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 8297 10783 2930 AMAZON-02, US 11492 4537 300 603 CABLEONE, US 7155 4019 281 51 VIASAT-SP-BACKBONE, US 22773 3564 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 16625 3116 1572 2361 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2644 3592 371 GOOGLE-CLOUD-PLATFORM, US 30036 2494 360 468 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2486 24147 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 7314 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4095 3398 162 AKAMAI-ASN1, NL 8551 3880 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2709 251 1398 M247, RO 34984 2272 359 612 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1850 949 534 TCI, IR 13188 1607 100 18 TRIOLAN, UA 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 11294 3332 600 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2344 361 622 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 445 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 1604 393 19 LINKdotNET-AS, EG 24835 1529 517 28 RAYA-AS, EG 36992 1339 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1028 67 47 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 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 11294 3332 600 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8297 10783 2930 AMAZON-02, US 12479 7314 1707 141 UNI2-AS, ES 7545 5721 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4537 300 603 CABLEONE, US 18403 4121 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4095 3398 162 AKAMAI-ASN1, NL 7155 4019 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 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7314 7173 UNI2-AS, ES 16509 8297 5367 AMAZON-02, US 7545 5721 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4121 4096 FPT-AS-AP FPT Telecom Company, VN 7155 4019 3968 VIASAT-SP-BACKBONE, US 11492 4537 3934 CABLEONE, US 20940 4095 3933 AKAMAI-ASN1, NL 8551 3880 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 23.153.56.0/24 Origin: 35008 KERFUFFLE Kerfuffle, GB 23.153.56.0/24 Transit: 6939 HURRICANE, 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 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 /13:577 /14:1197 /15:2084 /16:13419 /17:8137 /18:13702 /19:24774 /20:43019 /21:50951 /22:109143 /23:97767 /24:551315 /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 6378 7314 UNI2-AS, ES 8151 5249 11294 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3445 4537 CABLEONE, US 8551 3352 3880 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3069 4019 VIASAT-SP-BACKBONE, US 22773 2637 3564 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:2133 2:1304 3:175 4:5 5:4547 6:130 7:6 8:1514 9:1 11:172 12:1535 13:382 14:2306 15:300 16:186 17:372 18:422 20:258 21:4 22:188 23:6241 24:2590 25:6 27:2498 29:19 31:2491 32:76 34:13 35:106 36:1963 37:4694 38:4618 39:843 40:151 41:3914 42:1948 43:2333 44:307 45:16501 46:4293 47:358 49:1742 50:1833 51:575 52:1600 54:394 55:760 56:8 57:115 58:1799 59:1105 60:987 61:2510 62:2671 63:1921 64:5669 65:2323 66:5001 67:2984 68:1345 69:4091 70:1246 71:670 72:2980 74:2610 75:1555 76:605 77:2444 78:1804 79:3172 80:2125 81:1778 82:1497 83:1273 84:1509 85:2987 86:768 87:2025 88:1154 89:3629 90:619 91:7726 92:2064 93:2621 94:3629 95:4012 96:1309 97:336 98:1151 99:745 100:73 101:1304 102:2713 103:31311 104:4649 105:488 106:939 107:2513 108:1037 109:4410 110:2104 111:3111 112:2028 113:1707 114:1648 115:1997 116:1893 117:2567 118:2602 119:2008 120:1794 121:1062 122:2592 123:2130 124:1569 125:2463 128:1344 129:1013 130:1014 131:1984 132:836 133:422 134:1925 135:306 136:875 137:947 138:2564 139:1546 140:1233 141:1418 142:1432 143:1498 144:1157 145:346 146:1926 147:1581 148:2339 149:2216 150:874 151:1157 152:1932 153:487 154:4374 155:1444 156:1794 157:1307 158:1066 159:2254 160:2543 161:1539 162:3507 163:1520 164:1608 165:1759 166:1053 167:1721 168:3858 169:933 170:4557 171:880 172:3546 173:2914 174:1075 175:1173 176:3684 177:4626 178:3591 179:2180 180:2615 181:3475 182:3355 183:2103 184:2345 185:20263 186:4748 187:3998 188:4086 189:3589 190:9164 191:1460 192:10909 193:8863 194:7297 195:5143 196:3184 197:2378 198:5882 199:6088 200:7957 201:5899 202:10362 203:10292 204:4558 205:3678 206:4235 207:3377 208:4074 209:4834 210:4166 211:2420 212:4164 213:3618 214:1084 215:59 216:6651 217:2701 218:1273 219:408 220:1760 221:974 222:709 223:2148 End of report