IPv4 R&E Routing Table Report 23:05 GMT Sat 02 Jul, 2022 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: 886753 Prefixes after maximum aggregation (per Origin AS): 337266 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434392 Number of IPv4 prefixes with a valid ROA: 333393 Number of IPv4 prefixes with an invalid ROA: 1312 Number of IPv4 prefixes with no ROA: 552048 Total ASes present in the Internet Routing Table: 73145 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62793 Origin ASes announcing only one prefix: 25830 Transit ASes present in the Internet Routing Table: 10352 Transit-only ASes present in the Internet Routing Table: 388 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 903 Number of instances of unregistered ASNs: 906 Number of 32-bit ASNs allocated by the RIRs: 39725 Number of 32-bit ASNs visible in the Routing Table: 32862 Prefixes from 32-bit ASNs in the Routing Table: 156169 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 485 Number of addresses announced to Internet: 3067074304 Equivalent to 182 /8s, 207 /16s and 215 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 298049 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229366 Total APNIC prefixes after maximum aggregation: 66350 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224612 Unique aggregates announced from the APNIC address blocks: 95333 APNIC Region origin ASes present in the Internet Routing Table: 12677 APNIC Prefixes per ASN: 17.72 APNIC Region origin ASes announcing only one prefix: 3641 APNIC Region transit ASes present in the Internet Routing Table: 1727 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7952 Number of APNIC addresses announced to Internet: 772346624 Equivalent to 46 /8s, 9 /16s and 19 /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: 262207 Total ARIN prefixes after maximum aggregation: 120160 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262357 Unique aggregates announced from the ARIN address blocks: 126793 ARIN Region origin ASes present in the Internet Routing Table: 18975 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6921 ARIN Region transit ASes present in the Internet Routing Table: 1876 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4526 Number of ARIN addresses announced to Internet: 1296564736 Equivalent to 77 /8s, 72 /16s and 2 /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: 250934 Total RIPE prefixes after maximum aggregation: 117133 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248213 Unique aggregates announced from the RIPE address blocks: 151693 RIPE Region origin ASes present in the Internet Routing Table: 28136 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 4005 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10728 Number of RIPE addresses announced to Internet: 713836800 Equivalent to 42 /8s, 140 /16s and 73 /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: 115523 Total LACNIC prefixes after maximum aggregation: 27427 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115319 Unique aggregates announced from the LACNIC address blocks: 48742 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2240 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8684 Number of LACNIC addresses announced to Internet: 176288512 Equivalent to 10 /8s, 129 /16s and 243 /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: 27820 Total AfriNIC prefixes after maximum aggregation: 5516 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 35767 Unique aggregates announced from the AfriNIC address blocks: 11418 AfriNIC Region origin ASes present in the Internet Routing Table: 1645 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 574 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 972 Number of AfriNIC addresses announced to Internet: 107726080 Equivalent to 6 /8s, 107 /16s and 197 /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 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 424 215 TATACOMM-AS TATA Communications formerl 24560 2099 850 399 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6707 10380 2681 AMAZON-02, US 11492 4507 299 678 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3884 3146 357 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3452 1772 2493 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2992 50740 2250 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2432 4952 415 CENTURYLINK-US-LEGACY-QWEST, 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 6885 1730 144 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3988 3360 195 AKAMAI-ASN1, NL 12389 2891 2289 909 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2562 253 1328 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 58224 1803 935 588 TCI, IR 13188 1610 100 27 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 10775 3403 550 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1897 311 498 Mega Cable, S.A. de C.V., MX 28573 1369 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1312 344 526 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1033 190 441 Techtel LMDS Comunicaciones Interactiva 26615 978 2466 43 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 1613 393 21 LINKdotNET-AS, EG 24835 1543 521 31 RAYA-AS, EG 36992 1317 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 659 520 42 Vodafone-, EG 6713 608 1851 38 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 2018 366 319 73 TENET-1, ZA 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 10775 3403 550 Uninet S.A. de C.V., MX 9808 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6885 1730 144 UNI2-AS, ES 16509 6707 10380 2681 AMAZON-02, US 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 678 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3988 3360 195 AKAMAI-ASN1, NL 7155 3901 264 31 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 9254 9208 CHINAMOBILE-CN China Mobile Communications Grou 12479 6885 6741 UNI2-AS, ES 7545 5927 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6707 4026 AMAZON-02, US 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3829 CABLEONE, US 20940 3988 3793 AKAMAI-ASN1, NL 7552 3566 3547 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /9:13 /10:40 /11:100 /12:303 /13:590 /14:1201 /15:2092 /16:13483 /17:8269 /18:13744 /19:24741 /20:43084 /21:50748 /22:107375 /23:95068 /24:525880 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5863 6885 UNI2-AS, ES 8151 4497 10775 Uninet S.A. de C.V., MX 8551 3474 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2899 3884 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1915 2:1039 3:157 4:5 5:3802 6:109 7:6 8:1527 9:1 11:172 12:1646 13:336 14:2341 15:228 16:44 17:384 18:175 19:1 20:235 21:4 22:188 23:5726 24:2366 25:6 27:2610 29:19 31:2445 32:92 34:7 35:87 36:1826 37:4425 38:3174 39:712 40:152 41:3888 42:1117 43:2194 44:289 45:15966 46:4111 47:301 49:1681 50:1940 51:237 52:1456 54:386 55:843 56:8 57:60 58:1700 59:1112 60:963 61:2264 62:2503 63:1931 64:5525 65:2344 66:4839 67:2958 68:1188 69:4168 70:1323 71:679 72:3041 74:2620 75:1395 76:573 77:2221 78:1834 79:3133 80:1990 81:1620 82:1494 83:1209 84:1318 85:2940 86:713 87:1912 88:1150 89:3319 90:541 91:7602 92:2006 93:2542 94:3451 95:3828 96:1309 97:352 98:1004 99:751 100:76 101:1280 102:2103 103:29259 104:4480 105:467 106:870 107:2547 108:842 109:4273 110:1972 111:3283 112:2037 113:1469 114:1480 115:1969 116:1885 117:2563 118:2301 119:1838 120:1660 121:1025 122:2512 123:2088 124:1539 125:2047 128:1183 129:1052 130:975 131:2011 132:810 133:377 134:1935 135:279 136:890 137:867 138:2450 139:1526 140:888 141:1437 142:1293 143:1429 144:1202 145:348 146:1807 147:1508 148:2207 149:1723 150:859 151:1069 152:1844 153:459 154:3556 155:1442 156:1685 157:1261 158:1041 159:2226 160:2494 161:1286 162:3472 163:1279 164:1623 165:1624 166:748 167:1750 168:3786 169:880 170:4516 171:835 172:3223 173:3121 174:1017 175:1151 176:3528 177:4699 178:3530 179:2152 180:2329 181:3040 182:3208 183:1955 184:2345 185:19610 186:4329 187:3820 188:3917 189:3425 190:8939 191:1423 192:10976 193:8653 194:7058 195:4948 196:3032 197:2377 198:5940 199:6034 200:7493 201:5879 202:10099 203:9998 204:4527 205:3474 206:3647 207:3341 208:4004 209:4654 210:4138 211:2316 212:4012 213:3433 214:1146 215:66 216:6470 217:2633 218:1271 219:408 220:1716 221:968 222:654 223:2153 End of report