IPv4 R&E Routing Table Report 23:05 GMT Thu 20 Apr, 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: 912054 Prefixes after maximum aggregation (per Origin AS): 346687 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448343 Number of IPv4 prefixes with a valid ROA: 391537 Number of IPv4 prefixes with an invalid ROA: 1889 Number of IPv4 prefixes with no ROA: 518628 Total ASes present in the Internet Routing Table: 74161 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 63689 Origin ASes announcing only one prefix: 26186 Transit ASes present in the Internet Routing Table: 10472 Transit-only ASes present in the Internet Routing Table: 431 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1369 Number of instances of unregistered ASNs: 1369 Number of 32-bit ASNs allocated by the RIRs: 41684 Number of 32-bit ASNs visible in the Routing Table: 34420 Prefixes from 32-bit ASNs in the Routing Table: 169771 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: 890 Number of addresses announced to Internet: 3059259904 Equivalent to 182 /8s, 88 /16s and 154 /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: 306125 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236803 Total APNIC prefixes after maximum aggregation: 68360 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 231164 Unique aggregates announced from the APNIC address blocks: 97660 APNIC Region origin ASes present in the Internet Routing Table: 13293 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3909 APNIC Region transit ASes present in the Internet Routing Table: 1779 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: 8656 Number of APNIC addresses announced to Internet: 773000960 Equivalent to 46 /8s, 19 /16s and 15 /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: 267451 Total ARIN prefixes after maximum aggregation: 121472 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270061 Unique aggregates announced from the ARIN address blocks: 130786 ARIN Region origin ASes present in the Internet Routing Table: 19030 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4772 Number of ARIN addresses announced to Internet: 1283459328 Equivalent to 76 /8s, 128 /16s and 9 /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: 259338 Total RIPE prefixes after maximum aggregation: 122036 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255169 Unique aggregates announced from the RIPE address blocks: 157738 RIPE Region origin ASes present in the Internet Routing Table: 28303 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3979 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: 11141 Number of RIPE addresses announced to Internet: 717823232 Equivalent to 42 /8s, 201 /16s and 29 /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: 117543 Total LACNIC prefixes after maximum aggregation: 28205 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116816 Unique aggregates announced from the LACNIC address blocks: 49251 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2294 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8771 Number of LACNIC addresses announced to Internet: 176731648 Equivalent to 10 /8s, 136 /16s and 182 /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: 29550 Total AfriNIC prefixes after maximum aggregation: 5804 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37954 Unique aggregates announced from the AfriNIC address blocks: 12293 AfriNIC Region origin ASes present in the Internet Routing Table: 1731 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 107552000 Equivalent to 6 /8s, 105 /16s and 29 /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 9460 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5727 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3394 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2937 490 236 BBIL-AP BHARTI Airtel Ltd., IN 24560 2379 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2176 442 196 TATACOMM-AS TATA Communications formerl 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8218 10770 2946 AMAZON-02, US 11492 4543 301 602 CABLEONE, US 7155 3969 279 48 VIASAT-SP-BACKBONE, US 22773 3590 3057 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 64 SHAW, CA 16625 3154 1576 2349 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 30036 2510 362 438 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2381 24083 1433 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 7216 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4067 3399 163 AKAMAI-ASN1, NL 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2292 909 ROSTELECOM-AS, RU 9009 2661 250 1386 M247, RO 34984 2276 359 612 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 950 543 TCI, IR 13188 1606 100 26 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 11240 3361 594 Uninet S.A. de C.V., MX 10620 3502 507 853 Telmex Colombia S.A., CO 13999 2325 357 612 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1334 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 446 Techtel LMDS Comunicaciones Interactiva 26615 1033 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 1599 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 51 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11240 3361 594 Uninet S.A. de C.V., MX 9808 9460 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8218 10770 2946 AMAZON-02, US 12479 7216 1706 140 UNI2-AS, ES 7545 5727 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4543 301 602 CABLEONE, US 20940 4067 3399 163 AKAMAI-ASN1, NL 7155 3969 279 48 VIASAT-SP-BACKBONE, US 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9460 9424 CHINAMOBILE-CN China Mobile Communications Grou 12479 7216 7076 UNI2-AS, ES 16509 8218 5272 AMAZON-02, US 7545 5727 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4543 3941 CABLEONE, US 7155 3969 3921 VIASAT-SP-BACKBONE, US 20940 4067 3904 AKAMAI-ASN1, NL 8551 3892 3855 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3675 3654 VIETEL-AS-AP Viettel Group, VN 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 5.105.166.0/24 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /12:298 /13:575 /14:1195 /15:2083 /16:13408 /17:8155 /18:13693 /19:24793 /20:43008 /21:50912 /22:108867 /23:97294 /24:547593 /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 6273 7216 UNI2-AS, ES 8151 5173 11240 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3452 4543 CABLEONE, US 8551 3364 3892 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3522 SHAW, CA 7155 3039 3969 VIASAT-SP-BACKBONE, US 22773 2659 3590 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2510 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2056 3502 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) ---------------------------------------------- 1:1772 2:1265 3:175 4:5 5:4495 6:127 7:6 8:1512 9:1 11:172 12:1547 13:385 14:2313 15:299 16:183 17:369 18:413 20:256 21:4 22:188 23:6237 24:2579 25:6 27:2488 29:19 31:2498 32:86 34:12 35:105 36:1944 37:4649 38:4450 39:820 40:151 41:3975 42:1206 43:2314 44:308 45:16474 46:4244 47:357 49:1732 50:1823 51:573 52:1588 54:391 55:857 56:8 57:114 58:1707 59:1099 60:989 61:2474 62:2646 63:1921 64:5678 65:2320 66:4945 67:3004 68:1375 69:4141 70:1246 71:672 72:2978 74:2620 75:1443 76:608 77:2431 78:1851 79:3165 80:2100 81:1739 82:1480 83:1280 84:1514 85:2990 86:761 87:1985 88:1230 89:3631 90:611 91:7694 92:2064 93:2623 94:3596 95:4002 96:1327 97:336 98:1155 99:745 100:73 101:1302 102:2697 103:31204 104:4629 105:484 106:932 107:2526 108:1024 109:4414 110:2079 111:3093 112:2027 113:1530 114:1641 115:2007 116:1905 117:2559 118:2353 119:2003 120:1768 121:1043 122:2615 123:2165 124:1574 125:2467 128:1242 129:1048 130:1006 131:1981 132:848 133:422 134:1899 135:305 136:878 137:947 138:2563 139:1554 140:1233 141:1454 142:1426 143:1494 144:1161 145:347 146:1932 147:1576 148:2315 149:2081 150:878 151:1157 152:1931 153:489 154:4443 155:1434 156:1787 157:1308 158:1054 159:2299 160:2534 161:1513 162:3511 163:1506 164:1614 165:1729 166:1019 167:1744 168:3857 169:939 170:4591 171:879 172:3554 173:2942 174:1069 175:1156 176:3677 177:4575 178:3580 179:2151 180:2599 181:3421 182:3330 183:1968 184:2358 185:20176 186:4740 187:3921 188:4089 189:3526 190:9181 191:1426 192:10907 193:8867 194:7315 195:5139 196:3168 197:2388 198:5863 199:6084 200:7887 201:5853 202:10319 203:10203 204:4585 205:3515 206:4094 207:3372 208:4060 209:4832 210:4171 211:2401 212:4122 213:3560 214:1082 215:59 216:6635 217:2696 218:1266 219:406 220:1767 221:969 222:709 223:2147 End of report