IPv4 R&E Routing Table Report 20:15 GMT Wed 08 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: 289725 Prefixes after maximum aggregation (per Origin AS): 117711 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147505 Number of IPv4 prefixes with a valid ROA: 149201 Number of IPv4 prefixes with an invalid ROA: 204 Number of IPv4 prefixes with no ROA: 140320 Total ASes present in the Internet Routing Table: 20179 Prefixes per ASN: 14.36 Origin-only ASes present in the Internet Routing Table: 17348 Origin ASes announcing only one prefix: 7831 Transit ASes present in the Internet Routing Table: 2831 Transit-only ASes present in the Internet Routing Table: 699 Paths with bogon ASNs present in the IPv4 Routing Table: 11 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: 214 Number of instances of unregistered ASNs: 243 Number of 32-bit ASNs allocated by the RIRs: 49218 Number of 32-bit ASNs visible in the Routing Table: 8177 Prefixes from 32-bit ASNs in the Routing Table: 34146 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 101 Number of addresses announced to Internet: 1619560613 Equivalent to 96 /8s, 136 /16s and 136 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 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: 94187 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42360 Total APNIC prefixes after maximum aggregation: 7894 APNIC Deaggregation factor: 5.37 Prefixes being announced from the APNIC address blocks: 38830 Unique aggregates announced from the APNIC address blocks: 7661 APNIC Region origin ASes present in the Internet Routing Table: 1210 APNIC Prefixes per ASN: 32.09 APNIC Region origin ASes announcing only one prefix: 500 APNIC Region transit ASes present in the Internet Routing Table: 211 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 596 Number of APNIC addresses announced to Internet: 168210540 Equivalent to 10 /8s, 6 /16s and 176 /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: 127549 Total ARIN prefixes after maximum aggregation: 65152 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124900 Unique aggregates announced from the ARIN address blocks: 70862 ARIN Region origin ASes present in the Internet Routing Table: 8939 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 3710 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: 2153 Number of ARIN addresses announced to Internet: 1017910313 Equivalent to 60 /8s, 172 /16s and 20 /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: 52465 Total RIPE prefixes after maximum aggregation: 25758 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 55608 Unique aggregates announced from the RIPE address blocks: 38074 RIPE Region origin ASes present in the Internet Routing Table: 4553 RIPE Prefixes per ASN: 12.21 RIPE Region origin ASes announcing only one prefix: 1952 RIPE Region transit ASes present in the Internet Routing Table: 708 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1954 Number of RIPE addresses announced to Internet: 283068752 Equivalent to 16 /8s, 223 /16s and 73 /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: 57488 Total LACNIC prefixes after maximum aggregation: 16287 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55064 Unique aggregates announced from the LACNIC address blocks: 23829 LACNIC Region origin ASes present in the Internet Routing Table: 4378 LACNIC Prefixes per ASN: 12.58 LACNIC Region origin ASes announcing only one prefix: 1553 LACNIC Region transit ASes present in the Internet Routing Table: 874 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: 3326 Number of LACNIC addresses announced to Internet: 106668480 Equivalent to 6 /8s, 91 /16s and 161 /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: 9649 Total AfriNIC prefixes after maximum aggregation: 2451 AfriNIC Deaggregation factor: 3.94 Prefixes being announced from the AfriNIC address blocks: 15222 Unique aggregates announced from the AfriNIC address blocks: 6999 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 54.17 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 148 Number of AfriNIC addresses announced to Internet: 43625984 Equivalent to 2 /8s, 153 /16s and 174 /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 13619 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2469 155 473 LCS-AS-AP LARUS Limited, HK 56041 1809 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 807 1218 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14584 41272 5666 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2372 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1598 1311 736 DNIC-ASBLK-00306-00371 - United States De 19901 1465 732 677 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 4836 298 70 ALJAWWALSTC-AS, SA 25019 1401 1335 140 SAUDINETSTC-AS, SA 20940 1230 95 1001 AKAMAI-ASN1, NL 34984 1104 149 769 TELLCOM-AS, TR 8452 940 1841 18 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8764 891 212 86 TELIA-LIETUVA, LT 8376 669 54 30 UNASSIGNED 212238 591 42 525 CDNEXT, GB 35819 583 581 73 MOBILY-AS Etihad Etisalat Company Mobily, 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 7277 1931 809 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1433 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1242 371 22 INTEGRATEL PERU S.A.A., PE 26615 1051 2392 94 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 677 43 220 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 1542 552 27 RAYA-AS, EG 24863 816 133 400 LINKdotNET-AS, EG 36935 758 521 39 Vodafone-, EG 37069 733 1100 11 MOBINIL, EG 36914 551 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 428 897 266 ETISALAT-MISR, EG 2018 373 318 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 14584 41272 5666 AMAZON-02 - Amazon.com, Inc., US 9808 13619 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7277 1931 809 UNINET, MX 39891 4836 298 70 ALJAWWALSTC-AS, SA 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2469 155 473 LCS-AS-AP LARUS Limited, HK 36352 2372 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 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 13619 13499 CHINAMOBILE-CN China Mobile Communications Grou 8151 7277 6468 UNINET, MX 39891 4836 4766 ALJAWWALSTC-AS, SA 22773 4780 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3419 3230 CMNET-JIANGSU-AP China Mobile communications co 17561 2469 1996 LCS-AS-AP LARUS Limited, HK 11830 1948 1883 Instituto Costarricense de Electricidad y Telec 56041 1809 1730 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1714 1664 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 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /14:577 /15:1075 /16:7462 /17:3491 /18:4213 /19:7714 /20:13358 /21:16118 /22:29178 /23:30054 /24:175711 /25:64 /26:83 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4017 7277 UNINET, MX 39891 3648 4836 ALJAWWALSTC-AS, SA 22773 3054 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2626 14584 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1128 1433 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2372 AS-COLOCROSSING - HostPapa, US 19901 1021 1465 BRIGHTSPEED - Brightspeed, US 6167 963 2118 CELLCO-PART - Verizon Business, US 209 945 1627 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:521 3:993 4:1 5:1158 6:183 7:5 8:618 9:7 11:172 12:849 13:626 14:116 15:400 16:144 17:3 18:906 20:366 21:4 22:188 23:2918 24:781 27:16 28:1 29:19 31:467 32:13 34:9 35:177 36:3339 37:632 38:2566 39:864 40:46 41:1097 42:20 43:215 44:33 45:4445 46:899 47:186 48:65 49:23 50:485 51:464 52:1096 54:267 55:1120 56:11 57:27 58:39 59:30 60:14 61:54 62:630 63:689 64:2219 65:998 66:2459 67:1135 68:480 69:1198 70:424 71:141 72:723 74:985 75:262 76:227 77:527 78:556 79:240 80:335 81:419 82:838 83:207 84:364 85:613 86:240 87:193 88:299 89:605 90:100 91:932 92:683 93:921 94:977 95:1258 96:273 97:44 98:377 99:286 100:21 101:27 102:373 103:1163 104:1627 105:147 106:7 107:1756 108:528 109:351 110:48 111:2798 112:1320 113:34 114:34 115:8 116:55 117:1637 118:60 119:72 120:2029 121:37 122:46 123:108 124:63 125:21 126:1 128:434 129:379 130:717 131:1260 132:554 133:217 134:526 135:135 136:712 137:596 138:1053 139:451 140:749 141:458 142:1533 143:855 144:497 145:154 146:671 147:505 148:1017 149:755 150:226 151:916 152:830 153:355 154:2422 155:983 156:2026 157:465 158:666 159:865 160:678 161:696 162:986 163:430 164:729 165:614 166:556 167:717 168:1445 169:166 170:1864 171:102 172:1384 173:800 174:269 175:116 176:743 177:1067 178:649 179:884 180:37 181:2605 182:24 183:1719 184:448 185:3324 186:3594 187:1749 188:1020 189:1969 190:6210 191:551 192:5137 193:1712 194:1106 195:979 196:658 197:696 198:2641 199:2477 200:4369 201:3598 202:841 203:615 204:2179 205:1827 206:1499 207:1704 208:1615 209:2037 210:354 211:513 212:1106 213:901 214:970 215:36 216:2490 217:540 218:670 219:18 220:27 221:536 222:29 223:1706 End of report