IPv4 R&E Routing Table Report 23:05 GMT Sun 25 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: 894009 Prefixes after maximum aggregation (per Origin AS): 340359 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439591 Number of IPv4 prefixes with a valid ROA: 351734 Number of IPv4 prefixes with an invalid ROA: 1650 Number of IPv4 prefixes with no ROA: 540625 Total ASes present in the Internet Routing Table: 73519 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63169 Origin ASes announcing only one prefix: 26017 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1092 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 40258 Number of 32-bit ASNs visible in the Routing Table: 33343 Prefixes from 32-bit ASNs in the Routing Table: 159895 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: 544 Number of addresses announced to Internet: 3066859776 Equivalent to 182 /8s, 204 /16s and 145 /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: 300472 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231257 Total APNIC prefixes after maximum aggregation: 66951 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226178 Unique aggregates announced from the APNIC address blocks: 96228 APNIC Region origin ASes present in the Internet Routing Table: 12880 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3712 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: 8176 Number of APNIC addresses announced to Internet: 772724992 Equivalent to 46 /8s, 14 /16s and 217 /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: 264226 Total ARIN prefixes after maximum aggregation: 120920 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264950 Unique aggregates announced from the ARIN address blocks: 128217 ARIN Region origin ASes present in the Internet Routing Table: 19000 ARIN Prefixes per ASN: 13.94 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1868 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4604 Number of ARIN addresses announced to Internet: 1291833344 Equivalent to 76 /8s, 255 /16s and 208 /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: 252734 Total RIPE prefixes after maximum aggregation: 118409 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249915 Unique aggregates announced from the RIPE address blocks: 153774 RIPE Region origin ASes present in the Internet Routing Table: 28183 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 4006 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: 10818 Number of RIPE addresses announced to Internet: 718152192 Equivalent to 42 /8s, 206 /16s and 34 /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: 116141 Total LACNIC prefixes after maximum aggregation: 27711 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115793 Unique aggregates announced from the LACNIC address blocks: 48983 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2709 LACNIC Region transit ASes present in the Internet Routing Table: 2222 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: 8729 Number of LACNIC addresses announced to Internet: 176105984 Equivalent to 10 /8s, 127 /16s and 42 /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: 28559 Total AfriNIC prefixes after maximum aggregation: 5570 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36629 Unique aggregates announced from the AfriNIC address blocks: 11949 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 107751936 Equivalent to 6 /8s, 108 /16s and 42 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5886 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3585 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2450 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2222 854 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 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 7233 10538 2830 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3775 3063 343 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3530 1841 2535 AKAMAI-AS, US 6327 3479 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2602 368 280 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2536 3387 368 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 396 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 6901 1730 144 UNI2-AS, ES 20940 4050 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 9009 2608 252 1342 M247, GB 6849 2590 339 20 UKRTELNET, UA 34984 2257 358 633 TELLCOM-AS, TR 58224 1795 935 539 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 10983 3392 561 Uninet S.A. de C.V., MX 10620 3483 513 830 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 2012 328 518 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1139 369 21 Telefonica del Peru S.A.A., PE 11664 1061 179 466 Techtel LMDS Comunicaciones Interactiva 18881 980 1120 27 TELEFONICA BRASIL S.A, 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 1570 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 997 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 481 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 10983 3392 561 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7233 10538 2830 AMAZON-02, US 12479 6901 1730 144 UNI2-AS, ES 7545 5886 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4050 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6901 6757 UNI2-AS, ES 7545 5886 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7233 4403 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4050 3857 AKAMAI-ASN1, NL 7552 3585 3565 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /10:38 /11:101 /12:297 /13:586 /14:1198 /15:2093 /16:13456 /17:8266 /18:13768 /19:24728 /20:43092 /21:50910 /22:107916 /23:95758 /24:531766 /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 5905 6901 UNI2-AS, ES 8151 4723 10983 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3288 3479 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2802 3775 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2445 2590 UKRTELNET, UA 30036 2260 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) ---------------------------------------------- 1:1898 2:1012 3:163 4:5 5:3902 6:116 7:6 8:1560 9:1 11:173 12:1629 13:345 14:2359 15:263 16:68 17:362 18:318 20:239 21:4 22:188 23:5949 24:2456 25:6 27:2661 29:19 31:2428 32:91 34:7 35:89 36:1891 37:4467 38:3553 39:750 40:152 41:3915 42:1157 43:2219 44:294 45:16135 46:4170 47:299 48:1 49:1728 50:1929 51:242 52:1495 54:388 55:831 56:8 57:71 58:1729 59:1109 60:979 61:2349 62:2542 63:1910 64:5594 65:2311 66:4861 67:2966 68:1201 69:4161 70:1310 71:684 72:2987 74:2642 75:1487 76:591 77:2271 78:1861 79:3135 80:2075 81:1646 82:1510 83:1207 84:1397 85:2950 86:729 87:1914 88:1158 89:3399 90:554 91:7575 92:2054 93:2542 94:3553 95:3850 96:1311 97:347 98:1035 99:722 100:75 101:1296 102:2321 103:29981 104:4551 105:472 106:885 107:2531 108:888 109:4302 110:1983 111:3277 112:2037 113:1478 114:1491 115:1979 116:1880 117:2486 118:2326 119:1824 120:1706 121:1016 122:2523 123:2095 124:1513 125:2099 128:1164 129:1004 130:959 131:2025 132:809 133:378 134:1934 135:293 136:771 137:879 138:2526 139:1509 140:983 141:1452 142:1339 143:1392 144:1192 145:344 146:1845 147:1519 148:2213 149:1815 150:867 151:1100 152:1939 153:468 154:3799 155:1423 156:1693 157:1290 158:1039 159:2194 160:2532 161:1341 162:3487 163:1407 164:1659 165:1649 166:785 167:1741 168:3789 169:872 170:4526 171:844 172:3368 173:3092 174:1018 175:1163 176:3613 177:4729 178:3573 179:2140 180:2368 181:3274 182:3191 183:1925 184:2359 185:19744 186:4543 187:3908 188:3996 189:3463 190:8955 191:1426 192:10974 193:8694 194:7132 195:5038 196:3034 197:2455 198:5919 199:6013 200:7588 201:5808 202:10141 203:9996 204:4512 205:3485 206:3803 207:3372 208:4041 209:4715 210:4119 211:2338 212:4051 213:3469 214:1114 215:55 216:6408 217:2629 218:1267 219:400 220:1776 221:921 222:656 223:1971 End of report