IPv4 R&E Routing Table Report 23:05 GMT Fri 26 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: 917796 Prefixes after maximum aggregation (per Origin AS): 348290 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449634 Number of IPv4 prefixes with a valid ROA: 403960 Number of IPv4 prefixes with an invalid ROA: 1732 Number of IPv4 prefixes with no ROA: 512104 Total ASes present in the Internet Routing Table: 74285 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63795 Origin ASes announcing only one prefix: 26244 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 1075 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 41950 Number of 32-bit ASNs visible in the Routing Table: 34572 Prefixes from 32-bit ASNs in the Routing Table: 171375 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 579 Number of addresses announced to Internet: 3055117568 Equivalent to 182 /8s, 25 /16s and 101 /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: 307703 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239858 Total APNIC prefixes after maximum aggregation: 68591 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 233950 Unique aggregates announced from the APNIC address blocks: 98168 APNIC Region origin ASes present in the Internet Routing Table: 13334 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: 1794 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: 8706 Number of APNIC addresses announced to Internet: 772787456 Equivalent to 46 /8s, 15 /16s and 205 /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: 268719 Total ARIN prefixes after maximum aggregation: 122393 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271600 Unique aggregates announced from the ARIN address blocks: 130435 ARIN Region origin ASes present in the Internet Routing Table: 19070 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: 1908 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: 1280064512 Equivalent to 76 /8s, 76 /16s and 60 /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: 260172 Total RIPE prefixes after maximum aggregation: 122424 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 256015 Unique aggregates announced from the RIPE address blocks: 158725 RIPE Region origin ASes present in the Internet Routing Table: 28313 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3976 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: 11189 Number of RIPE addresses announced to Internet: 717799424 Equivalent to 42 /8s, 200 /16s and 192 /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: 118451 Total LACNIC prefixes after maximum aggregation: 28268 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117658 Unique aggregates announced from the LACNIC address blocks: 49459 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2279 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: 8793 Number of LACNIC addresses announced to Internet: 177023744 Equivalent to 10 /8s, 141 /16s and 43 /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: 29521 Total AfriNIC prefixes after maximum aggregation: 5837 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37994 Unique aggregates announced from the AfriNIC address blocks: 12372 AfriNIC Region origin ASes present in the Internet Routing Table: 1742 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: 332 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: 1093 Number of AfriNIC addresses announced to Internet: 107047680 Equivalent to 6 /8s, 97 /16s and 107 /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 5716 784 690 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 8302 10782 2994 AMAZON-02, US 11492 4524 300 608 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 3099 54980 2351 DNIC-AS-00749, US 16625 3079 1545 2327 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2505 361 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2477 24000 1556 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 7308 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4102 3398 160 AKAMAI-ASN1, NL 8551 3876 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2292 910 ROSTELECOM-AS, RU 9009 2726 251 1409 M247, RO 34984 2277 360 607 TELLCOM-AS, TR 6849 1958 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1646 110 1236 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 11287 3348 602 Uninet S.A. de C.V., MX 10620 3521 508 855 Telmex Colombia S.A., CO 13999 2362 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 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 1030 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 488 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 11287 3348 602 Uninet S.A. de C.V., MX 9808 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8302 10782 2994 AMAZON-02, US 12479 7308 1707 141 UNI2-AS, ES 7545 5716 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 608 CABLEONE, US 18403 4190 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4102 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 9476 9439 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8302 5308 AMAZON-02, US 7545 5716 5026 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 4102 3942 AKAMAI-ASN1, NL 11492 4524 3916 CABLEONE, US 8551 3876 3842 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 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 /11:103 /12:301 /13:579 /14:1198 /15:2089 /16:13427 /17:8139 /18:13719 /19:24793 /20:42970 /21:50984 /22:109179 /23:97811 /24:552427 /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 7308 UNI2-AS, ES 8151 5284 11287 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 8551 3349 3876 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 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) ---------------------------------------------- 1:2143 2:1309 3:181 4:5 5:4543 6:130 7:6 8:1512 9:1 11:172 12:1538 13:385 14:2296 15:304 16:189 17:373 18:421 20:258 21:4 22:188 23:6292 24:2591 25:6 27:2499 29:19 31:2494 32:77 34:21 35:109 36:1969 37:4660 38:4669 39:844 40:151 41:3937 42:1968 43:2341 44:311 45:16469 46:4329 47:358 49:1742 50:1858 51:584 52:1589 54:392 55:843 56:8 57:116 58:1818 59:1067 60:987 61:2521 62:2691 63:1934 64:5665 65:2321 66:5001 67:2920 68:1344 69:4131 70:1201 71:670 72:2993 74:2601 75:1554 76:606 77:2418 78:1799 79:3176 80:2135 81:1780 82:1488 83:1262 84:1517 85:2985 86:762 87:2009 88:1163 89:3691 90:615 91:7738 92:2065 93:2602 94:3622 95:4036 96:1302 97:336 98:1092 99:745 100:69 101:1311 102:2761 103:31324 104:4679 105:504 106:939 107:2586 108:1044 109:4405 110:2094 111:3111 112:2031 113:1730 114:1643 115:1996 116:1890 117:2535 118:2614 119:2002 120:1796 121:1068 122:2584 123:2129 124:1567 125:2462 128:1402 129:1046 130:1009 131:1971 132:848 133:422 134:1914 135:306 136:880 137:950 138:2573 139:1537 140:1244 141:1429 142:1440 143:1545 144:1150 145:346 146:1937 147:1581 148:2358 149:2240 150:873 151:1151 152:1928 153:491 154:4458 155:1438 156:1780 157:1321 158:1077 159:2236 160:2554 161:1568 162:3526 163:1524 164:1610 165:1783 166:1084 167:1731 168:3865 169:945 170:4592 171:900 172:3570 173:2954 174:1044 175:1170 176:3694 177:4671 178:3582 179:2220 180:2546 181:3494 182:3350 183:2087 184:2339 185:20280 186:4814 187:4043 188:4103 189:3678 190:9172 191:1473 192:10927 193:8866 194:7271 195:5122 196:3191 197:2369 198:5894 199:6081 200:7922 201:5902 202:10362 203:10268 204:4567 205:3681 206:4204 207:3396 208:4084 209:4869 210:4164 211:2422 212:4191 213:3616 214:1079 215:59 216:6652 217:2718 218:1266 219:410 220:1757 221:969 222:710 223:2150 End of report