IPv4 R&E Routing Table Report 23:05 GMT Fri 22 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: 888672 Prefixes after maximum aggregation (per Origin AS): 337950 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436486 Number of IPv4 prefixes with a valid ROA: 337542 Number of IPv4 prefixes with an invalid ROA: 1303 Number of IPv4 prefixes with no ROA: 549827 Total ASes present in the Internet Routing Table: 73255 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62877 Origin ASes announcing only one prefix: 25899 Transit ASes present in the Internet Routing Table: 10378 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 964 Number of instances of unregistered ASNs: 968 Number of 32-bit ASNs allocated by the RIRs: 39842 Number of 32-bit ASNs visible in the Routing Table: 32995 Prefixes from 32-bit ASNs in the Routing Table: 156965 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: 503 Number of addresses announced to Internet: 3071004928 Equivalent to 183 /8s, 11 /16s and 209 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 298921 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229624 Total APNIC prefixes after maximum aggregation: 66398 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224718 Unique aggregates announced from the APNIC address blocks: 95662 APNIC Region origin ASes present in the Internet Routing Table: 12720 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3665 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8004 Number of APNIC addresses announced to Internet: 772565760 Equivalent to 46 /8s, 12 /16s and 107 /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: 262650 Total ARIN prefixes after maximum aggregation: 120347 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262994 Unique aggregates announced from the ARIN address blocks: 127036 ARIN Region origin ASes present in the Internet Routing Table: 18981 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6931 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4549 Number of ARIN addresses announced to Internet: 1295847680 Equivalent to 77 /8s, 61 /16s and 17 /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: 251726 Total RIPE prefixes after maximum aggregation: 117457 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249004 Unique aggregates announced from the RIPE address blocks: 152767 RIPE Region origin ASes present in the Internet Routing Table: 28146 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 4021 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: 10759 Number of RIPE addresses announced to Internet: 718130432 Equivalent to 42 /8s, 205 /16s and 205 /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: 115564 Total LACNIC prefixes after maximum aggregation: 27507 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115289 Unique aggregates announced from the LACNIC address blocks: 48810 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2254 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: 8701 Number of LACNIC addresses announced to Internet: 176492544 Equivalent to 10 /8s, 133 /16s and 16 /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: 28144 Total AfriNIC prefixes after maximum aggregation: 5515 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36164 Unique aggregates announced from the AfriNIC address blocks: 11788 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 321 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 982 Number of AfriNIC addresses announced to Internet: 107684352 Equivalent to 6 /8s, 107 /16s and 34 /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 9032 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5920 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3504 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2133 846 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2125 425 216 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 6751 10386 2694 AMAZON-02, US 11492 4514 299 657 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3829 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3455 1779 2499 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3018 50733 2275 DNIC-AS-00749, US 30036 2602 372 276 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2378 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 6891 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 2249 358 637 TELLCOM-AS, TR 58224 1777 933 554 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 10774 3397 559 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 1909 312 506 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 1085 370 21 Telefonica del Peru S.A.A., PE 11664 997 179 458 Techtel LMDS Comunicaciones Interactiva 26615 976 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 1609 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 610 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 10774 3397 559 Uninet S.A. de C.V., MX 9808 9032 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6891 1730 144 UNI2-AS, ES 16509 6751 10386 2694 AMAZON-02, US 7545 5920 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 657 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 9032 8986 CHINAMOBILE-CN China Mobile Communications Grou 12479 6891 6747 UNI2-AS, ES 7545 5920 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6751 4057 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 4514 3857 CABLEONE, US 20940 4022 3828 AKAMAI-ASN1, NL 7552 3572 3553 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 23.139.40.0/23 Origin: 50058 AUGUST-INTERNET August Internet, GB 23.139.40.0/23 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 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 /16:13505 /17:8253 /18:13768 /19:24737 /20:43039 /21:50825 /22:107564 /23:95230 /24:527383 /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 5875 6891 UNI2-AS, ES 8151 4504 10774 Uninet S.A. de C.V., MX 8551 3465 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4514 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 2261 2602 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1913 2:1030 3:157 4:5 5:3829 6:110 7:6 8:1533 9:1 11:172 12:1643 13:340 14:2343 15:234 16:47 17:388 18:178 20:242 21:4 22:188 23:5803 24:2363 25:6 27:2608 29:19 31:2427 32:92 34:7 35:87 36:1837 37:4438 38:3303 39:720 40:152 41:3882 42:1121 43:2211 44:290 45:15969 46:4124 47:299 49:1691 50:1942 51:237 52:1451 54:385 55:854 56:8 57:60 58:1719 59:1110 60:962 61:2287 62:2523 63:1924 64:5577 65:2380 66:4831 67:2965 68:1193 69:4168 70:1317 71:680 72:3020 74:2628 75:1398 76:576 77:2220 78:1879 79:3129 80:2004 81:1640 82:1490 83:1202 84:1347 85:2960 86:724 87:1902 88:1169 89:3351 90:546 91:7602 92:2025 93:2554 94:3506 95:3842 96:1315 97:352 98:1026 99:751 100:77 101:1268 102:2188 103:29439 104:4531 105:468 106:877 107:2550 108:854 109:4316 110:1972 111:3278 112:2038 113:1469 114:1472 115:1978 116:1888 117:2428 118:2306 119:1836 120:1738 121:1023 122:2518 123:2078 124:1541 125:2045 128:1169 129:1052 130:974 131:2040 132:807 133:377 134:1933 135:302 136:890 137:863 138:2465 139:1504 140:927 141:1447 142:1308 143:1392 144:1213 145:350 146:1816 147:1507 148:2206 149:1740 150:866 151:1072 152:1855 153:462 154:3665 155:1447 156:1676 157:1274 158:1037 159:2222 160:2496 161:1283 162:3462 163:1304 164:1635 165:1639 166:761 167:1747 168:3766 169:885 170:4539 171:836 172:3247 173:3090 174:1022 175:1153 176:3606 177:4739 178:3536 179:2183 180:2364 181:3210 182:3195 183:1938 184:2344 185:19586 186:4342 187:3794 188:3936 189:3367 190:8928 191:1433 192:10953 193:8654 194:7046 195:4998 196:3034 197:2411 198:5944 199:6018 200:7494 201:5848 202:10123 203:10019 204:4518 205:3435 206:3683 207:3344 208:4002 209:4644 210:4164 211:2304 212:4028 213:3458 214:1146 215:67 216:6461 217:2649 218:1270 219:407 220:1741 221:965 222:656 223:1956 End of report