IPv4 R&E Routing Table Report 23:05 GMT Tue 06 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: 892354 Prefixes after maximum aggregation (per Origin AS): 339692 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438937 Number of IPv4 prefixes with a valid ROA: 348740 Number of IPv4 prefixes with an invalid ROA: 1415 Number of IPv4 prefixes with no ROA: 542199 Total ASes present in the Internet Routing Table: 73426 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63073 Origin ASes announcing only one prefix: 26014 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 402 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: 945 Number of instances of unregistered ASNs: 945 Number of 32-bit ASNs allocated by the RIRs: 40135 Number of 32-bit ASNs visible in the Routing Table: 33242 Prefixes from 32-bit ASNs in the Routing Table: 159300 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: 507 Number of addresses announced to Internet: 3067653376 Equivalent to 182 /8s, 216 /16s and 173 /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: 299868 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230856 Total APNIC prefixes after maximum aggregation: 66868 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225983 Unique aggregates announced from the APNIC address blocks: 96476 APNIC Region origin ASes present in the Internet Routing Table: 12837 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3722 APNIC Region transit ASes present in the Internet Routing Table: 1752 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: 8136 Number of APNIC addresses announced to Internet: 772868864 Equivalent to 46 /8s, 17 /16s and 11 /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: 263368 Total ARIN prefixes after maximum aggregation: 120646 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263814 Unique aggregates announced from the ARIN address blocks: 127883 ARIN Region origin ASes present in the Internet Routing Table: 18998 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6936 ARIN Region transit ASes present in the Internet Routing Table: 1855 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: 1293468672 Equivalent to 77 /8s, 24 /16s and 196 /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: 252505 Total RIPE prefixes after maximum aggregation: 118219 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249767 Unique aggregates announced from the RIPE address blocks: 153363 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12060 RIPE Region transit ASes present in the Internet Routing Table: 4015 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: 717020160 Equivalent to 42 /8s, 188 /16s and 220 /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: 116377 Total LACNIC prefixes after maximum aggregation: 27685 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115992 Unique aggregates announced from the LACNIC address blocks: 48970 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2703 LACNIC Region transit ASes present in the Internet Routing Table: 2221 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: 8712 Number of LACNIC addresses announced to Internet: 176365056 Equivalent to 10 /8s, 131 /16s and 30 /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: 28303 Total AfriNIC prefixes after maximum aggregation: 5551 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36291 Unique aggregates announced from the AfriNIC address blocks: 11809 AfriNIC Region origin ASes present in the Internet Routing Table: 1680 AfriNIC Prefixes per ASN: 21.60 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 1012 Number of AfriNIC addresses announced to Internet: 107648000 Equivalent to 6 /8s, 106 /16s and 148 /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 9073 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5930 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 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 6964 10416 2811 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3808 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3493 1804 2517 AKAMAI-AS, US 6327 3456 1319 63 SHAW, CA 749 3033 50727 2291 DNIC-AS-00749, US 30036 2603 369 283 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 6912 1730 144 UNI2-AS, ES 20940 4040 3359 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2609 252 1349 M247, GB 34984 2266 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 10918 3393 557 Uninet S.A. de C.V., MX 10620 3494 514 787 Telmex Colombia S.A., CO 11830 2337 369 64 Instituto Costarricense de Electricidad 13999 1982 321 507 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 1273 699 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1053 179 464 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 1000 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 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 10918 3393 557 Uninet S.A. de C.V., MX 9808 9073 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6964 10416 2811 AMAZON-02, US 12479 6912 1730 144 UNI2-AS, ES 7545 5930 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 550 CABLEONE, US 20940 4040 3359 193 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 9073 9026 CHINAMOBILE-CN China Mobile Communications Grou 12479 6912 6768 UNI2-AS, ES 7545 5930 5236 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6964 4153 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 4040 3847 AKAMAI-ASN1, NL 7552 3583 3563 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 23.128.80.0/24 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 /15:2097 /16:13469 /17:8261 /18:13825 /19:24761 /20:43145 /21:50799 /22:107758 /23:95636 /24:530338 /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 5898 6912 UNI2-AS, ES 8151 4651 10918 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 2827 3808 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2260 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1936 2:1027 3:162 4:5 5:3874 6:115 7:6 8:1541 9:1 11:172 12:1640 13:338 14:2359 15:256 16:46 17:360 18:222 20:244 21:4 22:188 23:5905 24:2422 25:6 27:2658 29:19 31:2415 32:90 34:7 35:89 36:1878 37:4492 38:3477 39:739 40:154 41:3897 42:1131 43:2214 44:292 45:16098 46:4155 47:301 49:1711 50:1935 51:240 52:1472 54:387 55:765 56:8 57:63 58:1722 59:1111 60:982 61:2287 62:2545 63:1915 64:5578 65:2301 66:4863 67:2977 68:1207 69:4128 70:1301 71:683 72:3025 74:2633 75:1406 76:578 77:2258 78:1913 79:3129 80:2044 81:1653 82:1493 83:1200 84:1372 85:2948 86:729 87:1906 88:1174 89:3423 90:559 91:7631 92:2039 93:2535 94:3529 95:3849 96:1304 97:351 98:1030 99:720 100:77 101:1295 102:2233 103:29804 104:4543 105:471 106:887 107:2545 108:874 109:4318 110:2001 111:3286 112:2043 113:1478 114:1488 115:1985 116:1888 117:2475 118:2322 119:1824 120:1701 121:1005 122:2516 123:2093 124:1546 125:2073 128:1176 129:1013 130:999 131:2020 132:802 133:377 134:1934 135:299 136:862 137:868 138:2528 139:1510 140:944 141:1459 142:1336 143:1401 144:1197 145:342 146:1838 147:1499 148:2204 149:1811 150:863 151:1078 152:1879 153:466 154:3762 155:1448 156:1725 157:1291 158:1037 159:2189 160:2537 161:1281 162:3493 163:1390 164:1616 165:1648 166:781 167:1761 168:3795 169:866 170:4542 171:844 172:3331 173:3106 174:1020 175:1159 176:3595 177:4745 178:3570 179:2158 180:2364 181:3252 182:3192 183:1935 184:2365 185:19640 186:4630 187:3893 188:3987 189:3440 190:8982 191:1460 192:10970 193:8644 194:7101 195:5041 196:3026 197:2335 198:5941 199:6008 200:7573 201:5796 202:10127 203:9990 204:4500 205:3443 206:3708 207:3388 208:4033 209:4692 210:4172 211:2289 212:4033 213:3473 214:1116 215:66 216:6363 217:2627 218:1269 219:400 220:1753 221:977 222:659 223:1972 End of report