IPv4 R&E Routing Table Report 20:15 GMT Thu 22 Jan, 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: 289123 Prefixes after maximum aggregation (per Origin AS): 118996 Deaggregation factor: 2.43 Unique aggregates announced (without unneeded subnets): 149545 Number of IPv4 prefixes with a valid ROA: 146814 Number of IPv4 prefixes with an invalid ROA: 208 Number of IPv4 prefixes with no ROA: 142101 Total ASes present in the Internet Routing Table: 20749 Prefixes per ASN: 13.93 Origin-only ASes present in the Internet Routing Table: 17849 Origin ASes announcing only one prefix: 8032 Transit ASes present in the Internet Routing Table: 2900 Transit-only ASes present in the Internet Routing Table: 735 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 33 Max AS path prepend of ASN ( 37133) 26 Prefixes from unregistered ASNs in the Routing Table: 243 Number of instances of unregistered ASNs: 272 Number of 32-bit ASNs allocated by the RIRs: 48453 Number of 32-bit ASNs visible in the Routing Table: 8531 Prefixes from 32-bit ASNs in the Routing Table: 34918 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 102 Number of addresses announced to Internet: 1613955781 Equivalent to 96 /8s, 51 /16s and 2 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 93367 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43270 Total APNIC prefixes after maximum aggregation: 9025 APNIC Deaggregation factor: 4.79 Prefixes being announced from the APNIC address blocks: 39916 Unique aggregates announced from the APNIC address blocks: 9267 APNIC Region origin ASes present in the Internet Routing Table: 1335 APNIC Prefixes per ASN: 29.90 APNIC Region origin ASes announcing only one prefix: 561 APNIC Region transit ASes present in the Internet Routing Table: 234 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 658 Number of APNIC addresses announced to Internet: 170446956 Equivalent to 10 /8s, 40 /16s and 208 /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: 126394 Total ARIN prefixes after maximum aggregation: 64857 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 123879 Unique aggregates announced from the ARIN address blocks: 70544 ARIN Region origin ASes present in the Internet Routing Table: 9108 ARIN Prefixes per ASN: 13.60 ARIN Region origin ASes announcing only one prefix: 3783 ARIN Region transit ASes present in the Internet Routing Table: 849 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: 2185 Number of ARIN addresses announced to Internet: 1009026857 Equivalent to 60 /8s, 36 /16s and 135 /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, 393216-402332 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: 51745 Total RIPE prefixes after maximum aggregation: 26128 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54492 Unique aggregates announced from the RIPE address blocks: 37776 RIPE Region origin ASes present in the Internet Routing Table: 4523 RIPE Prefixes per ASN: 12.05 RIPE Region origin ASes announcing only one prefix: 1934 RIPE Region transit ASes present in the Internet Routing Table: 687 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1902 Number of RIPE addresses announced to Internet: 281598160 Equivalent to 16 /8s, 200 /16s and 216 /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: 56904 Total LACNIC prefixes after maximum aggregation: 16451 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 54757 Unique aggregates announced from the LACNIC address blocks: 24445 LACNIC Region origin ASes present in the Internet Routing Table: 4631 LACNIC Prefixes per ASN: 11.82 LACNIC Region origin ASes announcing only one prefix: 1638 LACNIC Region transit ASes present in the Internet Routing Table: 919 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3616 Number of LACNIC addresses announced to Internet: 106774624 Equivalent to 6 /8s, 93 /16s and 64 /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: 10567 Total AfriNIC prefixes after maximum aggregation: 2343 AfriNIC Deaggregation factor: 4.51 Prefixes being announced from the AfriNIC address blocks: 15977 Unique aggregates announced from the AfriNIC address blocks: 7421 AfriNIC Region origin ASes present in the Internet Routing Table: 305 AfriNIC Prefixes per ASN: 52.38 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 81 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 170 Number of AfriNIC addresses announced to Internet: 45965824 Equivalent to 2 /8s, 189 /16s and 98 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 13342 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3358 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2214 139 499 LCS-AS-AP LARUS Limited, HK 56041 1765 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1710 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1055 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 908 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 897 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 767 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 665 1159 154 ALIBABA-CN-NET Alibaba US Technology Co., 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 14008 38738 5446 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3143 54729 2394 DNIC-AS-00749 - United States Department 36352 2419 200 1147 AS-COLOCROSSING - HostPapa, US 6167 1974 4173 531 CELLCO-PART - Verizon Business, US 11776 1905 259 213 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1712 1501 788 DNIC-ASBLK-00306-00371 - United States De 209 1638 4882 263 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1478 726 700 BRIGHTSPEED - Brightspeed, US 20057 1442 1017 111 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 4969 306 72 ALJAWWALSTC-AS, SA 20940 1205 92 984 AKAMAI-ASN1, NL 25019 1143 1335 138 SAUDINETSTC-AS, SA 34984 985 151 740 TELLCOM-AS, TR 3215 935 4900 293 France Telecom - Orange, FR 8452 901 1841 17 TE-AS TE-AS, EG 212238 700 49 615 CDNEXT, GB 58224 668 346 463 TCI, IR 51167 565 113 248 CONTABO, DE 8376 550 53 25 Jordan Data Communications, JO 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 7340 1932 784 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1520 211 1132 Telmex Colombia S.A., CO 11664 1398 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1257 371 22 INTEGRATEL PERU S.A.A., PE 26615 1013 2486 56 TIM SA, BR 18881 909 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 12252 682 164 24 America Movil Peru S.A.C., PE 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 1451 463 90 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 947 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 569 82 3 KENET-AS, KE 36935 510 515 10 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 422 78 20 ORANGE-COTE-IVOIRE, CI 2018 375 318 69 TENET-1, ZA 36992 352 842 234 ETISALAT-MISR, EG 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 14008 38738 5446 AMAZON-02 - Amazon.com, Inc., US 9808 13342 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7340 1932 784 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4776 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3358 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54729 2394 DNIC-AS-00749 - United States Department 36352 2419 200 1147 AS-COLOCROSSING - HostPapa, US 17561 2214 139 499 LCS-AS-AP LARUS Limited, HK 11830 1991 369 65 Instituto Costarricense de Electricidad y 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 13342 13222 CHINAMOBILE-CN China Mobile Communications Grou 8151 7340 6556 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4776 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3358 3163 CMNET-JIANGSU-AP China Mobile communications co 11830 1991 1926 Instituto Costarricense de Electricidad y Telec 17561 2214 1715 LCS-AS-AP LARUS Limited, HK 11776 1905 1692 ATLANTICBB-JOHNSTOWN - Breezeline, US 56041 1765 1686 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1710 1660 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 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, US 31.171.211.0/24 Origin: 214427 HR-NETVIS, HR 31.171.211.0/24 Transit: 5391 T-HT Croatian Telecom Inc., HR 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 /11:52 /12:158 /13:213 /14:576 /15:1066 /16:7497 /17:3490 /18:4170 /19:7682 /20:13183 /21:16237 /22:28688 /23:29728 /24:176095 /25:61 /26:82 /27:50 /28:17 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4030 7340 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2479 14008 AMAZON-02 - Amazon.com, Inc., US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 11664 1085 1398 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1052 1478 BRIGHTSPEED - Brightspeed, US 36352 1015 2419 AS-COLOCROSSING - HostPapa, US 209 953 1638 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 932 1520 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:464 3:959 4:5 5:1166 6:173 7:5 8:638 9:5 11:172 12:878 13:562 14:177 15:361 16:154 17:3 18:910 20:204 21:4 22:188 23:2803 24:665 27:46 29:19 31:516 32:13 34:8 35:183 36:3321 37:671 38:2332 39:835 40:250 41:1115 42:22 43:201 44:29 45:4566 46:937 47:166 48:20 49:21 50:481 51:522 52:1082 54:231 55:1129 56:11 57:31 58:42 59:43 60:74 61:58 62:608 63:724 64:2203 65:990 66:2413 67:1117 68:488 69:1213 70:436 71:156 72:705 74:975 75:293 76:239 77:401 78:580 79:247 80:365 81:403 82:833 83:208 84:344 85:636 86:240 87:211 88:278 89:572 90:104 91:936 92:679 93:894 94:991 95:1313 96:283 97:45 98:391 99:270 100:22 101:23 102:541 103:1284 104:1717 105:133 106:3 107:1677 108:519 109:368 110:104 111:2757 112:1298 113:34 114:34 115:55 116:56 117:1512 118:69 119:88 120:1933 121:36 122:78 123:129 124:66 125:49 128:562 129:377 130:704 131:1142 132:554 133:218 134:497 135:135 136:741 137:606 138:1031 139:448 140:759 141:427 142:1458 143:884 144:504 145:192 146:685 147:466 148:1027 149:747 150:226 151:890 152:737 153:283 154:2369 155:1045 156:2066 157:490 158:655 159:841 160:632 161:722 162:981 163:422 164:737 165:621 166:573 167:724 168:1498 169:165 170:1848 171:100 172:1574 173:782 174:274 175:95 176:655 177:992 178:642 179:891 180:46 181:2533 182:22 183:1620 184:435 185:3408 186:3458 187:1746 188:1064 189:2002 190:5992 191:558 192:5071 193:1698 194:1133 195:951 196:708 197:1063 198:2669 199:2462 200:4498 201:3600 202:1119 203:818 204:2194 205:1795 206:1502 207:1711 208:1717 209:1973 210:438 211:513 212:1077 213:871 214:980 215:43 216:2448 217:559 218:648 219:29 220:82 221:535 222:33 223:1667 End of report