IPv4 R&E Routing Table Report 20:15 GMT Sun 26 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: 292166 Prefixes after maximum aggregation (per Origin AS): 118822 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149105 Number of IPv4 prefixes with a valid ROA: 150711 Number of IPv4 prefixes with an invalid ROA: 216 Number of IPv4 prefixes with no ROA: 141239 Total ASes present in the Internet Routing Table: 20270 Prefixes per ASN: 14.41 Origin-only ASes present in the Internet Routing Table: 17415 Origin ASes announcing only one prefix: 7801 Transit ASes present in the Internet Routing Table: 2855 Transit-only ASes present in the Internet Routing Table: 709 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: 218 Number of instances of unregistered ASNs: 247 Number of 32-bit ASNs allocated by the RIRs: 49528 Number of 32-bit ASNs visible in the Routing Table: 8355 Prefixes from 32-bit ASNs in the Routing Table: 35302 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: 1622291237 Equivalent to 96 /8s, 178 /16s and 51 /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: 94930 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42743 Total APNIC prefixes after maximum aggregation: 7858 APNIC Deaggregation factor: 5.44 Prefixes being announced from the APNIC address blocks: 39140 Unique aggregates announced from the APNIC address blocks: 7613 APNIC Region origin ASes present in the Internet Routing Table: 1181 APNIC Prefixes per ASN: 33.14 APNIC Region origin ASes announcing only one prefix: 469 APNIC Region transit ASes present in the Internet Routing Table: 198 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: 568 Number of APNIC addresses announced to Internet: 168429932 Equivalent to 10 /8s, 10 /16s and 9 /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: 128971 Total ARIN prefixes after maximum aggregation: 65791 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126212 Unique aggregates announced from the ARIN address blocks: 71653 ARIN Region origin ASes present in the Internet Routing Table: 8937 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3709 ARIN Region transit ASes present in the Internet Routing Table: 830 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: 2162 Number of ARIN addresses announced to Internet: 1018099497 Equivalent to 60 /8s, 174 /16s and 247 /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: 52113 Total RIPE prefixes after maximum aggregation: 25817 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55380 Unique aggregates announced from the RIPE address blocks: 38222 RIPE Region origin ASes present in the Internet Routing Table: 4485 RIPE Prefixes per ASN: 12.35 RIPE Region origin ASes announcing only one prefix: 1901 RIPE Region transit ASes present in the Internet Routing Table: 707 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: 1928 Number of RIPE addresses announced to Internet: 283571152 Equivalent to 16 /8s, 230 /16s and 243 /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: 58498 Total LACNIC prefixes after maximum aggregation: 16765 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55947 Unique aggregates announced from the LACNIC address blocks: 24575 LACNIC Region origin ASes present in the Internet Routing Table: 4565 LACNIC Prefixes per ASN: 12.26 LACNIC Region origin ASes announcing only one prefix: 1614 LACNIC Region transit ASes present in the Internet Routing Table: 923 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: 3547 Number of LACNIC addresses announced to Internet: 107140032 Equivalent to 6 /8s, 98 /16s and 211 /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: 9623 Total AfriNIC prefixes after maximum aggregation: 2421 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 15386 Unique aggregates announced from the AfriNIC address blocks: 6961 AfriNIC Region origin ASes present in the Internet Routing Table: 273 AfriNIC Prefixes per ASN: 56.36 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 150 Number of AfriNIC addresses announced to Internet: 44977920 Equivalent to 2 /8s, 174 /16s and 79 /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 2566 161 448 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 14815 41292 5666 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 1593 1310 734 DNIC-ASBLK-00306-00371 - United States De 20057 1461 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1457 730 666 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 1500 1335 139 SAUDINETSTC-AS, SA 20940 1236 95 1007 AKAMAI-ASN1, NL 34984 1035 143 730 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 8376 668 54 29 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 7267 1939 806 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 1239 371 22 INTEGRATEL PERU S.A.A., PE 26615 1063 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 1518 552 27 RAYA-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 759 521 39 Vodafone-, EG 24863 722 111 350 LINKdotNET-AS, EG 36914 550 82 3 KENET-AS, KE 36903 519 241 353 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 390 888 242 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 14815 41292 5666 AMAZON-02 - Amazon.com, Inc., US 9808 13659 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7267 1939 806 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 2566 161 448 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 7267 6461 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 2566 2118 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 /16:7465 /17:3499 /18:4250 /19:7830 /20:13340 /21:16246 /22:28823 /23:30475 /24:177806 /25:64 /26:84 /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 3954 7267 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3051 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2655 14815 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 1008 1457 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 3:1005 4:1 5:1179 6:187 7:5 8:620 9:7 11:172 12:844 13:652 14:120 15:401 16:178 17:3 18:915 20:367 21:4 22:188 23:2897 24:788 27:22 28:1 29:19 31:458 32:13 34:9 35:178 36:3373 37:634 38:2680 39:870 40:58 41:1083 42:21 43:219 44:27 45:4429 46:902 47:188 48:67 49:24 50:482 51:532 52:1123 54:283 55:1207 56:11 57:29 58:17 59:27 60:14 61:53 62:647 63:687 64:2227 65:1016 66:2471 67:1199 68:496 69:1198 70:420 71:142 72:742 74:1023 75:262 76:219 77:517 78:559 79:247 80:345 81:423 82:828 83:212 84:369 85:630 86:243 87:235 88:282 89:611 90:119 91:931 92:635 93:933 94:983 95:1263 96:272 97:46 98:465 99:293 100:39 101:26 102:391 103:1109 104:1633 105:167 106:7 107:1781 108:526 109:377 110:62 111:2814 112:1318 113:39 114:33 115:9 116:53 117:1644 118:56 119:77 120:2039 121:36 122:48 123:106 124:57 125:19 126:1 128:515 129:381 130:716 131:1288 132:545 133:214 134:534 135:122 136:713 137:592 138:1084 139:454 140:747 141:452 142:1539 143:902 144:509 145:164 146:671 147:491 148:1018 149:768 150:221 151:933 152:828 153:390 154:2655 155:985 156:1920 157:427 158:682 159:886 160:695 161:703 162:985 163:432 164:722 165:632 166:554 167:731 168:1451 169:167 170:1875 171:104 172:1417 173:827 174:354 175:121 176:749 177:1183 178:656 179:921 180:38 181:2659 182:28 183:1721 184:439 185:3288 186:3688 187:1682 188:995 189:1999 190:6240 191:627 192:5125 193:1696 194:1110 195:942 196:677 197:681 198:2641 199:2467 200:4463 201:3636 202:1013 203:689 204:2199 205:1811 206:1498 207:1712 208:1629 209:2028 210:351 211:513 212:1106 213:873 214:956 215:36 216:2508 217:541 218:670 219:18 220:27 221:536 222:29 223:1710 End of report