IPv4 R&E Routing Table Report 18:35 GMT Mon 18 Apr, 2022 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 912170 Prefixes after maximum aggregation (per Origin AS): 337348 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 430024 Number of IPv4 prefixes with a valid ROA: 659542 Number of IPv4 prefixes with an invalid ROA: 5838 Number of IPv4 prefixes with no ROA: 1158960 Total ASes present in the Internet Routing Table: 73094 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 62603 Origin ASes announcing only one prefix: 25272 Transit ASes present in the Internet Routing Table: 10491 Transit-only ASes present in the Internet Routing Table: 383 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 250 Max AS path prepend of ASN ( 51196) 246 Prefixes from unregistered ASNs in the Routing Table: 963 Number of instances of unregistered ASNs: 969 Number of 32-bit ASNs allocated by the RIRs: 39125 Number of 32-bit ASNs visible in the Routing Table: 32536 Prefixes from 32-bit ASNs in the Routing Table: 159401 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 529 Number of addresses announced to Internet: 3067482112 Equivalent to 182 /8s, 214 /16s and 16 /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: 314866 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232060 Total APNIC prefixes after maximum aggregation: 66155 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 227007 Unique aggregates announced from the APNIC address blocks: 94642 APNIC Region origin ASes present in the Internet Routing Table: 12537 APNIC Prefixes per ASN: 18.11 APNIC Region origin ASes announcing only one prefix: 3548 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7770 Number of APNIC addresses announced to Internet: 773650944 Equivalent to 46 /8s, 28 /16s and 250 /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: 262156 Total ARIN prefixes after maximum aggregation: 119853 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 262251 Unique aggregates announced from the ARIN address blocks: 124408 ARIN Region origin ASes present in the Internet Routing Table: 19026 ARIN Prefixes per ASN: 13.78 ARIN Region origin ASes announcing only one prefix: 6917 ARIN Region transit ASes present in the Internet Routing Table: 1957 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4446 Number of ARIN addresses announced to Internet: 1295402496 Equivalent to 77 /8s, 54 /16s and 70 /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: 260816 Total RIPE prefixes after maximum aggregation: 117480 RIPE Deaggregation factor: 2.22 Prefixes being announced from the RIPE address blocks: 258089 Unique aggregates announced from the RIPE address blocks: 150469 RIPE Region origin ASes present in the Internet Routing Table: 28147 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12006 RIPE Region transit ASes present in the Internet Routing Table: 4036 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 250 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10706 Number of RIPE addresses announced to Internet: 714283008 Equivalent to 42 /8s, 147 /16s and 24 /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: 124643 Total LACNIC prefixes after maximum aggregation: 27562 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 124401 Unique aggregates announced from the LACNIC address blocks: 48313 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 11.35 LACNIC Region origin ASes announcing only one prefix: 2275 LACNIC Region transit ASes present in the Internet Routing Table: 2234 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 65 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8653 Number of LACNIC addresses announced to Internet: 176409088 Equivalent to 10 /8s, 131 /16s and 202 /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: 31532 Total AfriNIC prefixes after maximum aggregation: 5563 AfriNIC Deaggregation factor: 5.67 Prefixes being announced from the AfriNIC address blocks: 39893 Unique aggregates announced from the AfriNIC address blocks: 11756 AfriNIC Region origin ASes present in the Internet Routing Table: 1626 AfriNIC Prefixes per ASN: 24.53 AfriNIC Region origin ASes announcing only one prefix: 526 AfriNIC Region transit ASes present in the Internet Routing Table: 323 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 961 Number of AfriNIC addresses announced to Internet: 107431424 Equivalent to 6 /8s, 103 /16s and 70 /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 9216 8883 39 CHINAMOBILE-CN China Mobile Communicati 7545 5909 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3607 1330 19 VIETEL-AS-AP Viettel Group, VN 45899 3509 1880 56 VNPT-AS-VN VNPT Corp, VN 7713 3499 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2397 491 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 591 KIXS-AS-KR Korea Telecom, KR 45090 2187 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2116 429 197 TATACOMM-AS TATA Communications formerl 24560 2045 854 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6213 10269 2698 AMAZON-02, US 11492 4474 297 690 CABLEONE, US 22773 3934 3076 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3612 1850 2549 AKAMAI-AS, US 6327 3430 1318 61 SHAW, CA 749 2881 50780 2137 DNIC-AS-00749, US 30036 2609 373 149 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2521 4961 422 CENTURYLINK-US-LEGACY-QWEST, US 20115 2254 3042 494 CHARTER-20115, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6798 1730 147 UNI2-AS, ES 9121 6712 1692 17 TTNET, TR 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3926 3348 214 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2923 2273 906 ROSTELECOM-AS, RU 6849 2864 355 21 UKRTELNET, UA 9009 2465 245 1276 M247, GB 34984 2236 357 632 TELLCOM-AS, TR 47331 2089 329 1599 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10552 3391 560 Uninet S.A. de C.V., MX 10620 3468 518 753 Telmex Colombia S.A., CO 11830 2430 369 63 Instituto Costarricense de Electricidad 13999 1734 294 473 Mega Cable, S.A. de C.V., MX 6503 1454 355 524 Axtel, S.A.B. de C.V., MX 28573 1385 2333 253 CLARO S.A., BR 3816 1255 667 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 369 21 Telefonica del Peru S.A.A., PE 11664 1022 191 446 Techtel LMDS Comunicaciones Interactiva 11172 960 133 63 Alestra, S. de R.L. de C.V., MX Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 37457 1928 322 60 Telkom-Internet, ZA 24863 1663 393 21 LINKdotNET-AS, EG 24835 1473 523 33 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 902 65 59 ORANGE-COTE-IVOIRE, CI 36935 772 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 501 50 30 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10552 3391 560 Uninet S.A. de C.V., MX 9808 9216 8883 39 CHINAMOBILE-CN China Mobile Communicati 12479 6798 1730 147 UNI2-AS, ES 9121 6712 1692 17 TTNET, TR 16509 6213 10269 2698 AMAZON-02, US 7545 5909 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4474 297 690 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3934 3076 363 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3926 3348 214 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9216 9177 CHINAMOBILE-CN China Mobile Communications Grou 9121 6712 6695 TTNET, TR 12479 6798 6651 UNI2-AS, ES 7545 5909 5212 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4474 3784 CABLEONE, US 20940 3926 3712 AKAMAI-ASN1, NL 7552 3607 3588 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.51.100.0/24 29766 CHSPSC-29766, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar 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/RENU/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 /12:304 /13:588 /14:1213 /15:2118 /16:13595 /17:8299 /18:14005 /19:25214 /20:43246 /21:52722 /22:109274 /23:99349 /24:542075 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 9121 5868 6712 TTNET, TR 12479 5779 6798 UNI2-AS, ES 8151 4210 10552 Uninet S.A. de C.V., MX 8551 3475 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3380 4474 CABLEONE, US 6327 3243 3430 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2934 3934 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2716 2864 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1936 2:1042 3:154 4:9 5:3909 6:103 7:5 8:1565 9:1 11:172 12:1702 13:294 14:2378 15:192 16:45 17:381 18:156 20:198 21:4 22:188 23:5622 24:2385 25:4 27:2659 29:19 31:2447 32:98 34:1 35:73 36:1781 37:4465 38:2818 39:734 40:163 41:4421 42:1088 43:2189 44:294 45:16956 46:4185 47:341 49:1670 50:1938 51:101 52:1411 53:1 54:363 55:707 56:8 57:65 58:1760 59:1120 60:957 61:2286 62:2579 63:1974 64:5534 65:2321 66:4942 67:3016 68:1228 69:4171 70:1339 71:666 72:3116 74:2692 75:1398 76:589 77:2289 78:3974 79:3117 80:2000 81:1775 82:1494 83:1214 84:1364 85:3683 86:710 87:2062 88:2729 89:3341 90:527 91:7735 92:2005 93:2613 94:3557 95:4803 96:1297 97:347 98:989 99:739 100:75 101:1291 102:2236 103:29057 104:4373 105:2044 106:858 107:2517 108:843 109:4236 110:2061 111:3259 112:2029 113:1485 114:1525 115:2084 116:1890 117:2539 118:2334 119:1870 120:1670 121:1037 122:2567 123:2147 124:1545 125:2075 128:1229 129:1156 130:985 131:2221 132:819 133:373 134:1926 135:296 136:884 137:870 138:2718 139:1496 140:862 141:1415 142:1296 143:1547 144:1215 145:344 146:1805 147:1502 148:2233 149:1718 150:870 151:1083 152:1859 153:539 154:3624 155:1443 156:1869 157:1234 158:1036 159:2095 160:2542 161:1319 162:3490 163:1271 164:1675 165:1648 166:702 167:1728 168:4023 169:732 170:4823 171:831 172:3140 173:3113 174:1022 175:1167 176:3574 177:5776 178:3525 179:2382 180:2275 181:3011 182:3204 183:1933 184:2389 185:19631 186:4837 187:4241 188:3980 189:3574 190:9037 191:1747 192:11036 193:8648 194:7012 195:5026 196:3161 197:2785 198:6060 199:6068 200:7897 201:5902 202:10313 203:10219 204:4577 205:3391 206:3802 207:3414 208:4088 209:4720 210:4114 211:2361 212:4057 213:3467 214:1160 215:67 216:6492 217:2781 218:1268 219:411 220:1950 221:983 222:670 223:2131 End of report