IPv4 R&E Routing Table Report 23:05 GMT Sat 17 Sep, 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: 893553 Prefixes after maximum aggregation (per Origin AS): 339889 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439531 Number of IPv4 prefixes with a valid ROA: 350820 Number of IPv4 prefixes with an invalid ROA: 1486 Number of IPv4 prefixes with no ROA: 541247 Total ASes present in the Internet Routing Table: 73491 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63129 Origin ASes announcing only one prefix: 25998 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 408 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1109 Number of instances of unregistered ASNs: 1110 Number of 32-bit ASNs allocated by the RIRs: 40170 Number of 32-bit ASNs visible in the Routing Table: 33309 Prefixes from 32-bit ASNs in the Routing Table: 159714 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 597 Number of addresses announced to Internet: 3067842816 Equivalent to 182 /8s, 219 /16s and 145 /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: 300512 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230771 Total APNIC prefixes after maximum aggregation: 66795 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225717 Unique aggregates announced from the APNIC address blocks: 96321 APNIC Region origin ASes present in the Internet Routing Table: 12864 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3714 APNIC Region transit ASes present in the Internet Routing Table: 1742 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8165 Number of APNIC addresses announced to Internet: 772847360 Equivalent to 46 /8s, 16 /16s and 183 /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: 263964 Total ARIN prefixes after maximum aggregation: 120693 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264673 Unique aggregates announced from the ARIN address blocks: 128037 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1859 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4601 Number of ARIN addresses announced to Internet: 1292222208 Equivalent to 77 /8s, 5 /16s and 191 /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: 252586 Total RIPE prefixes after maximum aggregation: 118351 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249795 Unique aggregates announced from the RIPE address blocks: 153855 RIPE Region origin ASes present in the Internet Routing Table: 28167 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 4016 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: 10803 Number of RIPE addresses announced to Internet: 718323456 Equivalent to 42 /8s, 208 /16s and 191 /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: 116624 Total LACNIC prefixes after maximum aggregation: 27674 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116193 Unique aggregates announced from the LACNIC address blocks: 48939 LACNIC Region origin ASes present in the Internet Routing Table: 10966 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8724 Number of LACNIC addresses announced to Internet: 176408832 Equivalent to 10 /8s, 131 /16s and 201 /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: 28499 Total AfriNIC prefixes after maximum aggregation: 5575 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36578 Unique aggregates announced from the AfriNIC address blocks: 11889 AfriNIC Region origin ASes present in the Internet Routing Table: 1682 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1016 Number of AfriNIC addresses announced to Internet: 107729152 Equivalent to 6 /8s, 107 /16s and 209 /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 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5910 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2445 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2207 852 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2136 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 7131 10488 2835 AMAZON-02, US 11492 4542 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3789 3065 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3530 1826 2532 AKAMAI-AS, US 6327 3464 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2616 370 231 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 395 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 6913 1730 144 UNI2-AS, ES 20940 4054 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2702 355 21 UKRTELNET, UA 9009 2591 250 1336 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 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 10950 3394 556 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2323 369 65 Instituto Costarricense de Electricidad 13999 1998 325 510 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 985 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 1579 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1346 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 68 32 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 478 32 1 MOVITEL, MZ 23889 401 232 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 10950 3394 556 Uninet S.A. de C.V., MX 9808 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7131 10488 2835 AMAZON-02, US 12479 6913 1730 144 UNI2-AS, ES 7545 5910 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4542 301 591 CABLEONE, US 20940 4054 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9052 9005 CHINAMOBILE-CN China Mobile Communications Grou 12479 6913 6769 UNI2-AS, ES 7545 5910 5217 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7131 4296 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4542 3951 CABLEONE, US 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4054 3862 AKAMAI-ASN1, NL 7552 3575 3555 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 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 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 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 /10:38 /11:101 /12:297 /13:588 /14:1203 /15:2092 /16:13472 /17:8266 /18:13780 /19:24698 /20:43145 /21:50889 /22:107875 /23:95698 /24:531375 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5911 6913 UNI2-AS, ES 8151 4689 10950 Uninet S.A. de C.V., MX 11492 3462 4542 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3274 3464 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2810 3789 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2558 2702 UKRTELNET, UA 30036 2273 2616 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1904 2:1017 3:163 4:5 5:3889 6:116 7:6 8:1559 9:1 11:173 12:1634 13:338 14:2356 15:263 16:51 17:361 18:305 20:244 21:4 22:188 23:5945 24:2439 25:6 27:2664 29:19 31:2411 32:91 34:7 35:89 36:1885 37:4480 38:3536 39:741 40:155 41:3917 42:1150 43:2219 44:289 45:16123 46:4172 47:299 48:1 49:1707 50:1930 51:241 52:1493 54:385 55:833 56:8 57:65 58:1726 59:1111 60:983 61:2300 62:2544 63:1915 64:5573 65:2332 66:4843 67:2966 68:1208 69:4146 70:1309 71:685 72:2991 74:2634 75:1455 76:589 77:2256 78:1865 79:3130 80:2070 81:1650 82:1504 83:1197 84:1362 85:2945 86:726 87:1911 88:1158 89:3414 90:557 91:7596 92:2050 93:2540 94:3534 95:3856 96:1309 97:348 98:1031 99:721 100:75 101:1297 102:2319 103:29869 104:4552 105:472 106:888 107:2540 108:883 109:4302 110:1990 111:3280 112:2037 113:1477 114:1489 115:1979 116:1878 117:2480 118:2322 119:1824 120:1707 121:1009 122:2519 123:2087 124:1510 125:2079 128:1169 129:1015 130:996 131:2023 132:814 133:377 134:1936 135:297 136:863 137:877 138:2535 139:1511 140:943 141:1454 142:1333 143:1394 144:1194 145:343 146:1840 147:1514 148:2211 149:1810 150:865 151:1101 152:1943 153:467 154:3762 155:1419 156:1693 157:1285 158:1036 159:2186 160:2532 161:1334 162:3482 163:1387 164:1662 165:1655 166:787 167:1737 168:3794 169:869 170:4507 171:842 172:3364 173:3115 174:1019 175:1161 176:3595 177:4725 178:3567 179:2189 180:2365 181:3283 182:3189 183:1930 184:2357 185:19709 186:4622 187:3937 188:3999 189:3501 190:8974 191:1494 192:10958 193:8658 194:7126 195:5047 196:3053 197:2455 198:5933 199:6019 200:7600 201:5796 202:10130 203:10001 204:4512 205:3464 206:3769 207:3382 208:4042 209:4695 210:4116 211:2284 212:4043 213:3480 214:1107 215:54 216:6396 217:2624 218:1264 219:400 220:1750 221:921 222:656 223:1970 End of report