IPv4 R&E Routing Table Report 23:05 GMT Sat 16 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: 888012 Prefixes after maximum aggregation (per Origin AS): 337571 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436333 Number of IPv4 prefixes with a valid ROA: 336035 Number of IPv4 prefixes with an invalid ROA: 1321 Number of IPv4 prefixes with no ROA: 550656 Total ASes present in the Internet Routing Table: 73185 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62821 Origin ASes announcing only one prefix: 25866 Transit ASes present in the Internet Routing Table: 10364 Transit-only ASes present in the Internet Routing Table: 400 Paths with bogon ASNs present in the IPv4 Routing Table: 36 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: 973 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 39812 Number of 32-bit ASNs visible in the Routing Table: 32933 Prefixes from 32-bit ASNs in the Routing Table: 156610 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: 505 Number of addresses announced to Internet: 3067129600 Equivalent to 182 /8s, 208 /16s and 175 /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: 298740 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229351 Total APNIC prefixes after maximum aggregation: 66348 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224460 Unique aggregates announced from the APNIC address blocks: 95585 APNIC Region origin ASes present in the Internet Routing Table: 12696 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3660 APNIC Region transit ASes present in the Internet Routing Table: 1735 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7981 Number of APNIC addresses announced to Internet: 772307968 Equivalent to 46 /8s, 8 /16s and 124 /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: 262846 Total ARIN prefixes after maximum aggregation: 120185 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 262985 Unique aggregates announced from the ARIN address blocks: 127101 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6920 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4544 Number of ARIN addresses announced to Internet: 1295833600 Equivalent to 77 /8s, 60 /16s and 218 /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: 251475 Total RIPE prefixes after maximum aggregation: 117370 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248833 Unique aggregates announced from the RIPE address blocks: 152722 RIPE Region origin ASes present in the Internet Routing Table: 28134 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 4013 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: 10742 Number of RIPE addresses announced to Internet: 714473216 Equivalent to 42 /8s, 149 /16s and 255 /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: 115394 Total LACNIC prefixes after maximum aggregation: 27428 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115155 Unique aggregates announced from the LACNIC address blocks: 48713 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2245 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: 8684 Number of LACNIC addresses announced to Internet: 176487680 Equivalent to 10 /8s, 132 /16s and 253 /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: 27973 Total AfriNIC prefixes after maximum aggregation: 5513 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36074 Unique aggregates announced from the AfriNIC address blocks: 11788 AfriNIC Region origin ASes present in the Internet Routing Table: 1656 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 580 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: 982 Number of AfriNIC addresses announced to Internet: 107735040 Equivalent to 6 /8s, 107 /16s and 232 /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 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5920 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3508 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2249 11123 590 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 24560 2119 849 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6779 10393 2668 AMAZON-02, US 11492 4502 298 667 CABLEONE, US 7155 3903 265 32 VIASAT-SP-BACKBONE, US 22773 3838 3069 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3474 1789 2512 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2996 50735 2254 DNIC-AS-00749, US 30036 2631 375 138 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2512 3359 359 GOOGLE-CLOUD-PLATFORM, US 209 2381 4936 411 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 6881 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3360 195 AKAMAI-ASN1, NL 12389 2889 2289 909 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2571 254 1334 M247, GB 34984 2250 358 638 TELLCOM-AS, TR 58224 1768 930 558 TCI, IR 61317 1613 113 1061 ASDETUK www.heficed.com, GB 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 10773 3395 558 Uninet S.A. de C.V., MX 10620 3477 514 776 Telmex Colombia S.A., CO 11830 2424 369 64 Instituto Costarricense de Electricidad 13999 1930 318 506 Mega Cable, S.A. de C.V., MX 28573 1361 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1264 689 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 978 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 409 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 10773 3395 558 Uninet S.A. de C.V., MX 9808 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6881 1730 144 UNI2-AS, ES 16509 6779 10393 2668 AMAZON-02, US 7545 5920 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4502 298 667 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3360 195 AKAMAI-ASN1, NL 7155 3903 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 9005 8959 CHINAMOBILE-CN China Mobile Communications Grou 12479 6881 6737 UNI2-AS, ES 7545 5920 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6779 4111 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3903 3871 VIASAT-SP-BACKBONE, US 11492 4502 3835 CABLEONE, US 20940 3998 3803 AKAMAI-ASN1, NL 7552 3571 3552 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 23.141.0.0/24 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 /10:39 /11:100 /12:302 /13:588 /14:1202 /15:2096 /16:13497 /17:8253 /18:13768 /19:24730 /20:43007 /21:50722 /22:107430 /23:95247 /24:526996 /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 5862 6881 UNI2-AS, ES 8151 4507 10773 Uninet S.A. de C.V., MX 8551 3474 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3410 4502 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2992 3903 VIASAT-SP-BACKBONE, US 22773 2860 3838 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1917 2:1030 3:157 4:5 5:3837 6:109 7:6 8:1522 9:1 11:172 12:1644 13:345 14:2337 15:233 16:44 17:387 18:179 20:242 21:4 22:188 23:5792 24:2361 25:6 27:2610 29:19 31:2432 32:92 34:7 35:87 36:1835 37:4442 38:3270 39:718 40:152 41:3862 42:1117 43:2199 44:291 45:15978 46:4095 47:300 49:1693 50:1949 51:237 52:1453 54:386 55:846 56:8 57:60 58:1720 59:1110 60:960 61:2270 62:2519 63:1927 64:5591 65:2337 66:4857 67:2964 68:1180 69:4169 70:1315 71:681 72:3026 74:2631 75:1395 76:577 77:2219 78:1875 79:3131 80:2000 81:1638 82:1492 83:1208 84:1319 85:2963 86:725 87:1896 88:1168 89:3348 90:540 91:7595 92:2026 93:2546 94:3500 95:3838 96:1328 97:352 98:1014 99:752 100:76 101:1266 102:2172 103:29385 104:4528 105:468 106:874 107:2544 108:857 109:4302 110:1973 111:3277 112:2035 113:1466 114:1473 115:1970 116:1890 117:2427 118:2309 119:1835 120:1671 121:1026 122:2519 123:2083 124:1539 125:2042 128:1177 129:1045 130:975 131:2026 132:809 133:377 134:1914 135:307 136:891 137:858 138:2462 139:1504 140:927 141:1444 142:1297 143:1422 144:1211 145:354 146:1807 147:1522 148:2203 149:1739 150:903 151:1067 152:1848 153:463 154:3684 155:1439 156:1713 157:1269 158:1037 159:2233 160:2498 161:1260 162:3469 163:1291 164:1634 165:1636 166:769 167:1742 168:3785 169:881 170:4565 171:835 172:3293 173:3134 174:1019 175:1151 176:3569 177:4702 178:3545 179:2178 180:2360 181:3219 182:3213 183:1938 184:2345 185:19599 186:4335 187:3812 188:3958 189:3386 190:8896 191:1460 192:10939 193:8649 194:7041 195:4971 196:3027 197:2357 198:5934 199:6020 200:7457 201:5831 202:10119 203:10006 204:4515 205:3422 206:3683 207:3339 208:4003 209:4670 210:4160 211:2308 212:4026 213:3442 214:1142 215:67 216:6478 217:2637 218:1267 219:407 220:1736 221:963 222:657 223:1954 End of report