IPv4 R&E Routing Table Report 20:15 GMT Sat 25 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: 292027 Prefixes after maximum aggregation (per Origin AS): 118703 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148837 Number of IPv4 prefixes with a valid ROA: 150526 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 141286 Total ASes present in the Internet Routing Table: 20297 Prefixes per ASN: 14.39 Origin-only ASes present in the Internet Routing Table: 17426 Origin ASes announcing only one prefix: 7800 Transit ASes present in the Internet Routing Table: 2871 Transit-only ASes present in the Internet Routing Table: 721 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: 222 Number of instances of unregistered ASNs: 251 Number of 32-bit ASNs allocated by the RIRs: 49515 Number of 32-bit ASNs visible in the Routing Table: 8376 Prefixes from 32-bit ASNs in the Routing Table: 35300 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: 105 Number of addresses announced to Internet: 1621935909 Equivalent to 96 /8s, 172 /16s and 199 /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: 94914 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42704 Total APNIC prefixes after maximum aggregation: 7849 APNIC Deaggregation factor: 5.44 Prefixes being announced from the APNIC address blocks: 39144 Unique aggregates announced from the APNIC address blocks: 7618 APNIC Region origin ASes present in the Internet Routing Table: 1184 APNIC Prefixes per ASN: 33.06 APNIC Region origin ASes announcing only one prefix: 471 APNIC Region transit ASes present in the Internet Routing Table: 202 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 572 Number of APNIC addresses announced to Internet: 168431212 Equivalent to 10 /8s, 10 /16s and 14 /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: 128983 Total ARIN prefixes after maximum aggregation: 65824 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126227 Unique aggregates announced from the ARIN address blocks: 71693 ARIN Region origin ASes present in the Internet Routing Table: 8938 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3708 ARIN Region transit ASes present in the Internet Routing Table: 831 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: 2160 Number of ARIN addresses announced to Internet: 1017972265 Equivalent to 60 /8s, 173 /16s and 6 /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: 52062 Total RIPE prefixes after maximum aggregation: 25804 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55312 Unique aggregates announced from the RIPE address blocks: 38176 RIPE Region origin ASes present in the Internet Routing Table: 4487 RIPE Prefixes per ASN: 12.33 RIPE Region origin ASes announcing only one prefix: 1899 RIPE Region transit ASes present in the Internet Routing Table: 708 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: 1931 Number of RIPE addresses announced to Internet: 283592656 Equivalent to 16 /8s, 231 /16s and 71 /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: 58418 Total LACNIC prefixes after maximum aggregation: 16633 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55878 Unique aggregates announced from the LACNIC address blocks: 24351 LACNIC Region origin ASes present in the Internet Routing Table: 4574 LACNIC Prefixes per ASN: 12.22 LACNIC Region origin ASes announcing only one prefix: 1613 LACNIC Region transit ASes present in the Internet Routing Table: 930 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: 3562 Number of LACNIC addresses announced to Internet: 107065024 Equivalent to 6 /8s, 97 /16s and 174 /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: 9638 Total AfriNIC prefixes after maximum aggregation: 2422 AfriNIC Deaggregation factor: 3.98 Prefixes being announced from the AfriNIC address blocks: 15361 Unique aggregates announced from the AfriNIC address blocks: 6916 AfriNIC Region origin ASes present in the Internet Routing Table: 272 AfriNIC Prefixes per ASN: 56.47 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 76 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: 151 Number of AfriNIC addresses announced to Internet: 44801280 Equivalent to 2 /8s, 171 /16s and 157 /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 13659 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3428 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2499 157 436 LCS-AS-AP LARUS Limited, HK 56041 1818 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1715 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1070 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 930 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 820 1223 164 ALIBABA-CN-NET Alibaba US Technology Co., 24445 785 497 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 14824 41292 5682 AMAZON-02 - Amazon.com, Inc., US 22773 4768 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2382 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2139 4335 565 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1621 4848 254 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1607 1311 745 DNIC-ASBLK-00306-00371 - United States De 20057 1461 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1458 730 664 BRIGHTSPEED - Brightspeed, US 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1491 1334 140 SAUDINETSTC-AS, SA 20940 1236 95 1007 AKAMAI-ASN1, NL 34984 1045 145 734 TELLCOM-AS, TR 8452 931 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 8376 664 53 28 UNASSIGNED 212238 637 46 566 CDNEXT, GB 35819 576 574 66 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 7366 1931 800 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1444 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1248 371 22 INTEGRATEL PERU S.A.A., PE 26615 1064 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 844 140 44 ENTEL CHILE S.A., CL 52468 682 43 241 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 1517 552 27 RAYA-AS, EG 24863 776 124 382 LINKdotNET-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 759 521 39 Vodafone-, EG 36914 556 82 3 KENET-AS, KE 36903 519 241 353 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 405 911 254 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 14824 41292 5682 AMAZON-02 - Amazon.com, Inc., US 9808 13659 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7366 1931 800 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4768 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3428 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 17561 2499 157 436 LCS-AS-AP LARUS Limited, HK 36352 2382 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2139 4335 565 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 13659 13538 CHINAMOBILE-CN China Mobile Communications Grou 8151 7366 6566 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4768 4408 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3428 3239 CMNET-JIANGSU-AP China Mobile communications co 17561 2499 2063 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1818 1739 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1715 1665 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 /13:218 /14:579 /15:1080 /16:7464 /17:3498 /18:4253 /19:7814 /20:13327 /21:16211 /22:28878 /23:30529 /24:177625 /25:61 /26:83 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4092 7366 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3051 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2650 14824 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1139 1444 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1030 2382 AS-COLOCROSSING - HostPapa, US 19901 1009 1458 BRIGHTSPEED - Brightspeed, US 6167 980 2139 CELLCO-PART - Verizon Business, US 209 945 1621 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 2:571 3:1003 4:1 5:1179 6:187 7:5 8:624 9:7 11:172 12:847 13:649 14:120 15:402 16:174 17:3 18:917 20:336 21:4 22:188 23:2896 24:788 27:22 28:1 29:19 31:455 32:13 34:9 35:178 36:3373 37:633 38:2675 39:870 40:58 41:1084 42:21 43:219 44:27 45:4441 46:902 47:188 48:67 49:24 50:480 51:532 52:1123 54:283 55:1212 56:11 57:29 58:17 59:33 60:14 61:53 62:624 63:687 64:2229 65:1016 66:2470 67:1214 68:496 69:1197 70:420 71:142 72:751 74:1021 75:262 76:219 77:525 78:559 79:246 80:344 81:422 82:828 83:206 84:371 85:631 86:243 87:232 88:282 89:614 90:119 91:930 92:641 93:933 94:978 95:1263 96:272 97:46 98:465 99:293 100:39 101:26 102:386 103:1106 104:1633 105:167 106:7 107:1781 108:524 109:376 110:62 111:2813 112:1318 113:39 114:33 115:9 116:53 117:1644 118:56 119:76 120:2039 121:36 122:48 123:107 124:58 125:19 126:1 128:516 129:381 130:726 131:1287 132:545 133:214 134:535 135:122 136:714 137:592 138:1074 139:453 140:746 141:451 142:1538 143:897 144:510 145:163 146:671 147:493 148:1017 149:764 150:225 151:923 152:828 153:389 154:2669 155:991 156:1862 157:421 158:682 159:885 160:694 161:702 162:989 163:431 164:722 165:632 166:554 167:732 168:1448 169:167 170:1882 171:104 172:1416 173:829 174:355 175:121 176:746 177:1184 178:652 179:909 180:38 181:2661 182:28 183:1721 184:448 185:3299 186:3635 187:1736 188:995 189:1996 190:6245 191:555 192:5126 193:1694 194:1104 195:940 196:670 197:688 198:2639 199:2468 200:4443 201:3633 202:1013 203:690 204:2193 205:1808 206:1497 207:1712 208:1634 209:2031 210:352 211:513 212:1100 213:876 214:957 215:36 216:2509 217:542 218:670 219:18 220:27 221:536 222:29 223:1709 End of report