IPv4 R&E Routing Table Report 20:15 GMT Wed 01 Apr, 2026 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 289612 Prefixes after maximum aggregation (per Origin AS): 117606 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146763 Number of IPv4 prefixes with a valid ROA: 148438 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140960 Total ASes present in the Internet Routing Table: 20273 Prefixes per ASN: 14.29 Origin-only ASes present in the Internet Routing Table: 17426 Origin ASes announcing only one prefix: 7836 Transit ASes present in the Internet Routing Table: 2847 Transit-only ASes present in the Internet Routing Table: 713 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 245 Number of instances of unregistered ASNs: 274 Number of 32-bit ASNs allocated by the RIRs: 49169 Number of 32-bit ASNs visible in the Routing Table: 8255 Prefixes from 32-bit ASNs in the Routing Table: 34495 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 103 Number of addresses announced to Internet: 1619983269 Equivalent to 96 /8s, 142 /16s and 251 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 93596 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42877 Total APNIC prefixes after maximum aggregation: 8073 APNIC Deaggregation factor: 5.31 Prefixes being announced from the APNIC address blocks: 39521 Unique aggregates announced from the APNIC address blocks: 7840 APNIC Region origin ASes present in the Internet Routing Table: 1275 APNIC Prefixes per ASN: 31.00 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 230 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 634 Number of APNIC addresses announced to Internet: 168800108 Equivalent to 10 /8s, 15 /16s and 175 /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, 131072-155961 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: 127873 Total ARIN prefixes after maximum aggregation: 65395 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125051 Unique aggregates announced from the ARIN address blocks: 70848 ARIN Region origin ASes present in the Internet Routing Table: 8955 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3708 ARIN Region transit ASes present in the Internet Routing Table: 840 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2158 Number of ARIN addresses announced to Internet: 1017279785 Equivalent to 60 /8s, 162 /16s and 117 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 51577 Total RIPE prefixes after maximum aggregation: 25589 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 54743 Unique aggregates announced from the RIPE address blocks: 37811 RIPE Region origin ASes present in the Internet Routing Table: 4516 RIPE Prefixes per ASN: 12.12 RIPE Region origin ASes announcing only one prefix: 1933 RIPE Region transit ASes present in the Internet Routing Table: 700 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1938 Number of RIPE addresses announced to Internet: 282531408 Equivalent to 16 /8s, 215 /16s and 22 /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 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 57615 Total LACNIC prefixes after maximum aggregation: 16324 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55194 Unique aggregates announced from the LACNIC address blocks: 23925 LACNIC Region origin ASes present in the Internet Routing Table: 4422 LACNIC Prefixes per ASN: 12.48 LACNIC Region origin ASes announcing only one prefix: 1555 LACNIC Region transit ASes present in the Internet Routing Table: 878 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3379 Number of LACNIC addresses announced to Internet: 106677952 Equivalent to 6 /8s, 91 /16s and 198 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 9425 Total AfriNIC prefixes after maximum aggregation: 2028 AfriNIC Deaggregation factor: 4.65 Prefixes being announced from the AfriNIC address blocks: 15000 Unique aggregates announced from the AfriNIC address blocks: 6252 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 54.15 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146 Number of AfriNIC addresses announced to Internet: 44550144 Equivalent to 2 /8s, 167 /16s and 200 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 13599 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3413 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2396 151 477 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 2907 667 2153 465 SINET-AS Research Organization of Informa Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14493 41225 5661 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3101 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2368 194 1087 AS-COLOCROSSING - HostPapa, US 6167 2099 4315 580 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1606 1316 738 DNIC-ASBLK-00306-00371 - United States De 19901 1469 732 680 BRIGHTSPEED - Brightspeed, US 20057 1457 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4904 302 73 ALJAWWALSTC-AS, SA 25019 1314 1335 140 SAUDINETSTC-AS, SA 20940 1258 97 1022 AKAMAI-ASN1, NL 34984 1020 149 750 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 660 54 30 UNASSIGNED 212238 591 42 525 CDNEXT, GB 35819 583 581 73 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 CONTABO, DE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7344 1940 799 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1458 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1243 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2393 95 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 688 43 209 UFINET PANAMA S.A., PA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1500 524 27 RAYA-AS, EG 24863 841 388 13 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 36914 560 82 3 KENET-AS, KE 36935 544 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 404 879 241 ETISALAT-MISR, EG 2018 374 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14493 41225 5661 AMAZON-02 - Amazon.com, Inc., US 9808 13599 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7344 1940 799 UNINET, MX 39891 4904 302 73 ALJAWWALSTC-AS, SA 22773 4780 3101 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3413 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2396 151 477 LCS-AS-AP LARUS Limited, HK 36352 2368 194 1087 AS-COLOCROSSING - HostPapa, US 6167 2099 4315 580 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13599 13479 CHINAMOBILE-CN China Mobile Communications Grou 8151 7344 6545 UNINET, MX 39891 4904 4831 ALJAWWALSTC-AS, SA 22773 4780 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3413 3224 CMNET-JIANGSU-AP China Mobile communications co 17561 2396 1919 LCS-AS-AP LARUS Limited, HK 11830 1948 1883 Instituto Costarricense de Electricidad y Telec 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En 26295 UNALLOCATED 12.110.210.0/23 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:14 /9:11 /10:31 /11:55 /12:159 /13:217 /14:579 /15:1075 /16:7470 /17:3483 /18:4184 /19:7695 /20:13294 /21:16044 /22:28568 /23:29969 /24:176473 /25:66 /26:83 /27:52 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4073 7344 UNINET, MX 39891 3652 4904 ALJAWWALSTC-AS, SA 22773 3054 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2610 14493 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1148 1458 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1030 2368 AS-COLOCROSSING - HostPapa, US 19901 1025 1469 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 944 2099 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:73 2:545 3:989 4:1 5:1165 6:183 7:5 8:622 9:7 11:172 12:852 13:609 14:117 15:397 16:143 17:3 18:897 20:366 21:4 22:188 23:2928 24:858 27:19 28:1 29:19 31:471 32:13 34:9 35:175 36:3342 37:648 38:2554 39:862 40:49 41:1087 42:20 43:217 44:32 45:4500 46:895 47:175 48:57 49:23 50:483 51:464 52:1095 54:266 55:1116 56:11 57:28 58:39 59:35 60:30 61:54 62:642 63:689 64:2221 65:1003 66:2410 67:1128 68:489 69:1189 70:424 71:142 72:715 74:984 75:264 76:235 77:522 78:555 79:239 80:325 81:420 82:839 83:203 84:343 85:600 86:242 87:197 88:286 89:617 90:98 91:929 92:667 93:926 94:981 95:1308 96:271 97:44 98:377 99:286 100:21 101:26 102:376 103:1214 104:1640 105:133 106:41 107:1754 108:530 109:358 110:57 111:2800 112:1320 113:35 114:39 115:12 116:63 117:1645 118:72 119:79 120:2029 121:36 122:54 123:164 124:63 125:21 126:1 128:571 129:375 130:722 131:1266 132:558 133:217 134:528 135:135 136:708 137:596 138:1009 139:459 140:751 141:461 142:1528 143:859 144:502 145:183 146:671 147:505 148:1018 149:750 150:229 151:926 152:823 153:293 154:2338 155:984 156:2054 157:469 158:665 159:845 160:680 161:696 162:983 163:432 164:733 165:647 166:553 167:709 168:1470 169:210 170:1858 171:104 172:1388 173:805 174:265 175:120 176:620 177:1049 178:643 179:882 180:36 181:2607 182:37 183:1720 184:448 185:3280 186:3591 187:1781 188:1041 189:1974 190:6241 191:559 192:5155 193:1707 194:1105 195:936 196:646 197:714 198:2667 199:2461 200:4371 201:3630 202:1045 203:730 204:2204 205:1854 206:1503 207:1702 208:1631 209:2042 210:354 211:522 212:1095 213:884 214:975 215:36 216:2461 217:545 218:714 219:18 220:33 221:537 222:31 223:1699 End of report