IPv4 R&E Routing Table Report 23:05 GMT Wed 07 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: 892979 Prefixes after maximum aggregation (per Origin AS): 339750 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438942 Number of IPv4 prefixes with a valid ROA: 349139 Number of IPv4 prefixes with an invalid ROA: 1427 Number of IPv4 prefixes with no ROA: 542413 Total ASes present in the Internet Routing Table: 73441 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63088 Origin ASes announcing only one prefix: 25993 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 400 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: 977 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 40141 Number of 32-bit ASNs visible in the Routing Table: 33253 Prefixes from 32-bit ASNs in the Routing Table: 159506 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3067897088 Equivalent to 182 /8s, 220 /16s and 101 /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: 300272 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231056 Total APNIC prefixes after maximum aggregation: 66856 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226027 Unique aggregates announced from the APNIC address blocks: 96276 APNIC Region origin ASes present in the Internet Routing Table: 12844 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3712 APNIC Region transit ASes present in the Internet Routing Table: 1749 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8139 Number of APNIC addresses announced to Internet: 772959232 Equivalent to 46 /8s, 18 /16s and 108 /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: 263494 Total ARIN prefixes after maximum aggregation: 120660 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 264006 Unique aggregates announced from the ARIN address blocks: 127907 ARIN Region origin ASes present in the Internet Routing Table: 18994 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6935 ARIN Region transit ASes present in the Internet Routing Table: 1853 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4588 Number of ARIN addresses announced to Internet: 1293503744 Equivalent to 77 /8s, 25 /16s and 77 /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: 252646 Total RIPE prefixes after maximum aggregation: 118242 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249722 Unique aggregates announced from the RIPE address blocks: 153409 RIPE Region origin ASes present in the Internet Routing Table: 28160 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12053 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: 10794 Number of RIPE addresses announced to Internet: 717058048 Equivalent to 42 /8s, 189 /16s and 112 /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: 116366 Total LACNIC prefixes after maximum aggregation: 27697 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115959 Unique aggregates announced from the LACNIC address blocks: 48997 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2227 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: 8718 Number of LACNIC addresses announced to Internet: 176251904 Equivalent to 10 /8s, 129 /16s and 100 /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: 28440 Total AfriNIC prefixes after maximum aggregation: 5555 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36760 Unique aggregates announced from the AfriNIC address blocks: 11921 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1014 Number of AfriNIC addresses announced to Internet: 107841792 Equivalent to 6 /8s, 109 /16s and 137 /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 9074 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5932 788 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2235 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2193 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 213 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 6993 10421 2805 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3805 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3484 1795 2508 AKAMAI-AS, US 6327 3456 1319 63 SHAW, CA 749 3033 50727 2291 DNIC-AS-00749, US 30036 2605 369 277 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2533 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2359 4936 405 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 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2609 252 1349 M247, GB 34984 2265 359 634 TELLCOM-AS, TR 58224 1764 929 508 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 10922 3394 555 Uninet S.A. de C.V., MX 10620 3494 514 787 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1984 322 508 Mega Cable, S.A. de C.V., MX 28573 1361 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1275 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1056 179 466 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1599 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1009 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 52 39 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 10922 3394 555 Uninet S.A. de C.V., MX 9808 9074 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6993 10421 2805 AMAZON-02, US 12479 6913 1730 144 UNI2-AS, ES 7545 5932 788 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 550 CABLEONE, US 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 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 9074 9027 CHINAMOBILE-CN China Mobile Communications Grou 12479 6913 6769 UNI2-AS, ES 7545 5932 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6993 4188 AMAZON-02, US 11492 4575 4025 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3992 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4042 3850 AKAMAI-ASN1, NL 7552 3586 3566 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 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 /10:38 /11:101 /12:298 /13:589 /14:1204 /15:2098 /16:13466 /17:8266 /18:13783 /19:24681 /20:43175 /21:50840 /22:107855 /23:95688 /24:530862 /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 5901 6913 UNI2-AS, ES 8151 4654 10922 Uninet S.A. de C.V., MX 11492 3492 4575 CABLEONE, US 8551 3456 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3266 3456 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2824 3805 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2262 2605 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1939 2:1030 3:162 4:5 5:3881 6:115 7:6 8:1545 9:1 11:172 12:1640 13:336 14:2358 15:256 16:46 17:360 18:226 20:244 21:4 22:188 23:5911 24:2422 25:6 27:2661 29:19 31:2413 32:90 34:7 35:89 36:1877 37:4493 38:3490 39:739 40:154 41:3936 42:1131 43:2204 44:292 45:16094 46:4160 47:301 49:1715 50:1940 51:240 52:1475 54:387 55:766 56:8 57:63 58:1722 59:1111 60:982 61:2288 62:2542 63:1914 64:5570 65:2302 66:4859 67:2980 68:1207 69:4141 70:1300 71:683 72:3024 74:2636 75:1420 76:580 77:2263 78:1913 79:3130 80:2064 81:1659 82:1492 83:1203 84:1371 85:2950 86:726 87:1906 88:1169 89:3418 90:563 91:7621 92:2043 93:2537 94:3535 95:3848 96:1303 97:351 98:1031 99:720 100:77 101:1298 102:2319 103:29793 104:4547 105:471 106:888 107:2544 108:879 109:4313 110:1996 111:3286 112:2043 113:1478 114:1489 115:1983 116:1886 117:2473 118:2323 119:1824 120:1701 121:1010 122:2516 123:2093 124:1545 125:2084 128:1179 129:1012 130:999 131:2029 132:808 133:377 134:1937 135:297 136:862 137:874 138:2529 139:1513 140:944 141:1459 142:1333 143:1407 144:1198 145:343 146:1834 147:1504 148:2209 149:1808 150:861 151:1083 152:1880 153:466 154:3796 155:1443 156:1746 157:1287 158:1036 159:2191 160:2539 161:1327 162:3493 163:1402 164:1615 165:1650 166:779 167:1751 168:3788 169:868 170:4525 171:843 172:3344 173:3112 174:1019 175:1159 176:3590 177:4770 178:3569 179:2156 180:2366 181:3261 182:3192 183:1935 184:2366 185:19654 186:4608 187:3893 188:3994 189:3444 190:8979 191:1464 192:10975 193:8650 194:7104 195:5045 196:3038 197:2459 198:5938 199:6003 200:7566 201:5795 202:10130 203:9997 204:4504 205:3441 206:3701 207:3387 208:4032 209:4698 210:4171 211:2290 212:4039 213:3475 214:1113 215:66 216:6362 217:2622 218:1269 219:400 220:1753 221:977 222:659 223:1971 End of report