IPv4 R&E Routing Table Report 23:05 GMT Mon 25 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: 888336 Prefixes after maximum aggregation (per Origin AS): 338059 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436894 Number of IPv4 prefixes with a valid ROA: 337853 Number of IPv4 prefixes with an invalid ROA: 1280 Number of IPv4 prefixes with no ROA: 549203 Total ASes present in the Internet Routing Table: 73250 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62872 Origin ASes announcing only one prefix: 25925 Transit ASes present in the Internet Routing Table: 10378 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 957 Number of instances of unregistered ASNs: 961 Number of 32-bit ASNs allocated by the RIRs: 39865 Number of 32-bit ASNs visible in the Routing Table: 32998 Prefixes from 32-bit ASNs in the Routing Table: 156884 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3071276288 Equivalent to 183 /8s, 15 /16s and 245 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 298789 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229609 Total APNIC prefixes after maximum aggregation: 66412 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224727 Unique aggregates announced from the APNIC address blocks: 95795 APNIC Region origin ASes present in the Internet Routing Table: 12716 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3668 APNIC Region transit ASes present in the Internet Routing Table: 1734 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8002 Number of APNIC addresses announced to Internet: 772743936 Equivalent to 46 /8s, 15 /16s and 35 /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: 262814 Total ARIN prefixes after maximum aggregation: 120419 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263055 Unique aggregates announced from the ARIN address blocks: 127172 ARIN Region origin ASes present in the Internet Routing Table: 18988 ARIN Prefixes per ASN: 13.85 ARIN Region origin ASes announcing only one prefix: 6934 ARIN Region transit ASes present in the Internet Routing Table: 1865 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4556 Number of ARIN addresses announced to Internet: 1295939584 Equivalent to 77 /8s, 62 /16s and 120 /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: 251668 Total RIPE prefixes after maximum aggregation: 117491 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249022 Unique aggregates announced from the RIPE address blocks: 152875 RIPE Region origin ASes present in the Internet Routing Table: 28147 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12065 RIPE Region transit ASes present in the Internet Routing Table: 4025 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10762 Number of RIPE addresses announced to Internet: 718122240 Equivalent to 42 /8s, 205 /16s and 173 /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: 115156 Total LACNIC prefixes after maximum aggregation: 27498 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114871 Unique aggregates announced from the LACNIC address blocks: 48831 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2250 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: 8694 Number of LACNIC addresses announced to Internet: 176478208 Equivalent to 10 /8s, 132 /16s and 216 /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: 28132 Total AfriNIC prefixes after maximum aggregation: 5516 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36160 Unique aggregates announced from the AfriNIC address blocks: 11801 AfriNIC Region origin ASes present in the Internet Routing Table: 1657 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 579 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 984 Number of AfriNIC addresses announced to Internet: 107708416 Equivalent to 6 /8s, 107 /16s and 128 /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 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5923 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3567 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3506 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2424 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2256 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2141 848 408 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 217 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 6728 10382 2684 AMAZON-02, US 11492 4515 299 658 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3829 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3456 1779 2500 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3016 50733 2274 DNIC-AS-00749, US 30036 2599 371 292 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2515 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2377 4936 409 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 6895 1730 144 UNI2-AS, ES 20940 4022 3360 194 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2573 254 1334 M247, GB 34984 2246 357 635 TELLCOM-AS, TR 58224 1768 920 555 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 10387 3397 565 Uninet S.A. de C.V., MX 10620 3482 515 774 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1908 312 508 Mega Cable, S.A. de C.V., MX 28573 1359 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1266 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1083 370 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 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 1611 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1320 1519 274 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 969 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 517 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 400 232 16 MauritiusTelecom, MU 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 10387 3397 565 Uninet S.A. de C.V., MX 9808 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6895 1730 144 UNI2-AS, ES 16509 6728 10382 2684 AMAZON-02, US 7545 5923 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 658 CABLEONE, US 20940 4022 3360 194 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 265 32 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 9031 8985 CHINAMOBILE-CN China Mobile Communications Grou 12479 6895 6751 UNI2-AS, ES 7545 5923 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6728 4044 AMAZON-02, US 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4515 3857 CABLEONE, US 20940 4022 3828 AKAMAI-ASN1, NL 7552 3567 3548 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 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 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 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 /10:39 /11:100 /12:303 /13:591 /14:1203 /15:2097 /16:13503 /17:8250 /18:13779 /19:24732 /20:43030 /21:50668 /22:107557 /23:95256 /24:527193 /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 5879 6895 UNI2-AS, ES 8151 4279 10387 Uninet S.A. de C.V., MX 8551 3465 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3829 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2259 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1908 2:1028 3:157 4:5 5:3814 6:110 7:6 8:1535 9:1 11:172 12:1641 13:330 14:2351 15:234 16:47 17:388 18:178 20:242 21:4 22:188 23:5799 24:2357 25:6 27:2616 29:19 31:2427 32:92 34:7 35:87 36:1841 37:4439 38:3319 39:720 40:152 41:3893 42:1121 43:2214 44:288 45:15947 46:4123 47:299 49:1693 50:1938 51:237 52:1451 54:386 55:854 56:8 57:60 58:1724 59:1110 60:962 61:2291 62:2528 63:1926 64:5585 65:2381 66:4830 67:2968 68:1192 69:4169 70:1317 71:681 72:3021 74:2628 75:1399 76:576 77:2229 78:1879 79:3127 80:2005 81:1638 82:1488 83:1205 84:1351 85:2961 86:725 87:1902 88:1164 89:3350 90:547 91:7607 92:2019 93:2554 94:3506 95:3840 96:1328 97:352 98:1027 99:751 100:77 101:1268 102:2186 103:29416 104:4515 105:468 106:879 107:2543 108:855 109:4324 110:1972 111:3277 112:2037 113:1470 114:1470 115:1978 116:1884 117:2426 118:2300 119:1836 120:1738 121:1026 122:2508 123:2078 124:1541 125:2042 128:1168 129:1052 130:974 131:2039 132:797 133:378 134:1934 135:303 136:895 137:862 138:2479 139:1504 140:928 141:1444 142:1309 143:1395 144:1212 145:350 146:1816 147:1509 148:2187 149:1740 150:867 151:1073 152:1855 153:462 154:3673 155:1445 156:1674 157:1275 158:1037 159:2222 160:2496 161:1274 162:3459 163:1306 164:1637 165:1640 166:755 167:1744 168:3757 169:886 170:4534 171:836 172:3297 173:3105 174:1024 175:1155 176:3602 177:4700 178:3538 179:2170 180:2366 181:3209 182:3194 183:1938 184:2343 185:19580 186:4389 187:3761 188:3968 189:3356 190:8916 191:1443 192:10965 193:8656 194:7049 195:4998 196:3026 197:2414 198:5945 199:6017 200:7510 201:5716 202:10120 203:10019 204:4480 205:3433 206:3679 207:3343 208:4003 209:4670 210:4166 211:2304 212:4015 213:3456 214:1148 215:67 216:6451 217:2632 218:1262 219:407 220:1741 221:966 222:656 223:1954 End of report