IPv4 R&E Routing Table Report 20:15 GMT Mon 27 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: 292167 Prefixes after maximum aggregation (per Origin AS): 118886 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149154 Number of IPv4 prefixes with a valid ROA: 150777 Number of IPv4 prefixes with an invalid ROA: 217 Number of IPv4 prefixes with no ROA: 141173 Total ASes present in the Internet Routing Table: 20274 Prefixes per ASN: 14.41 Origin-only ASes present in the Internet Routing Table: 17411 Origin ASes announcing only one prefix: 7801 Transit ASes present in the Internet Routing Table: 2863 Transit-only ASes present in the Internet Routing Table: 707 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: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 219 Number of instances of unregistered ASNs: 248 Number of 32-bit ASNs allocated by the RIRs: 49528 Number of 32-bit ASNs visible in the Routing Table: 8360 Prefixes from 32-bit ASNs in the Routing Table: 35271 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: 102 Number of addresses announced to Internet: 1622298405 Equivalent to 96 /8s, 178 /16s and 79 /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: 94946 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42821 Total APNIC prefixes after maximum aggregation: 7939 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 39300 Unique aggregates announced from the APNIC address blocks: 7759 APNIC Region origin ASes present in the Internet Routing Table: 1218 APNIC Prefixes per ASN: 32.27 APNIC Region origin ASes announcing only one prefix: 484 APNIC Region transit ASes present in the Internet Routing Table: 204 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 592 Number of APNIC addresses announced to Internet: 168479596 Equivalent to 10 /8s, 10 /16s and 203 /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: 128896 Total ARIN prefixes after maximum aggregation: 65794 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126143 Unique aggregates announced from the ARIN address blocks: 71641 ARIN Region origin ASes present in the Internet Routing Table: 8919 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 3697 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: 2154 Number of ARIN addresses announced to Internet: 1018084393 Equivalent to 60 /8s, 174 /16s and 188 /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: 52199 Total RIPE prefixes after maximum aggregation: 25834 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55471 Unique aggregates announced from the RIPE address blocks: 38233 RIPE Region origin ASes present in the Internet Routing Table: 4489 RIPE Prefixes per ASN: 12.36 RIPE Region origin ASes announcing only one prefix: 1898 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: 1935 Number of RIPE addresses announced to Internet: 283826896 Equivalent to 16 /8s, 234 /16s and 218 /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: 58357 Total LACNIC prefixes after maximum aggregation: 16730 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55787 Unique aggregates announced from the LACNIC address blocks: 24520 LACNIC Region origin ASes present in the Internet Routing Table: 4546 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1612 LACNIC Region transit ASes present in the Internet Routing Table: 928 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: 3526 Number of LACNIC addresses announced to Internet: 107088320 Equivalent to 6 /8s, 98 /16s and 9 /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: 9675 Total AfriNIC prefixes after maximum aggregation: 2420 AfriNIC Deaggregation factor: 4.00 Prefixes being announced from the AfriNIC address blocks: 15364 Unique aggregates announced from the AfriNIC address blocks: 6919 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 55.47 AfriNIC Region origin ASes announcing only one prefix: 110 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: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 153 Number of AfriNIC addresses announced to Internet: 44746240 Equivalent to 2 /8s, 170 /16s and 198 /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 13661 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3428 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2501 157 440 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 833 1226 171 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 14799 41290 5672 AMAZON-02 - Amazon.com, Inc., US 22773 4754 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 1595 1310 736 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 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 1518 1384 142 SAUDINETSTC-AS, SA 20940 1236 95 1007 AKAMAI-ASN1, NL 34984 1034 143 730 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 8376 672 54 29 UNASSIGNED 212238 636 46 565 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 7271 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 1229 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 1514 552 27 RAYA-AS, EG 37069 775 1100 11 MOBINIL, EG 24863 767 123 374 LINKdotNET-AS, EG 36935 759 521 39 Vodafone-, EG 36914 543 82 3 KENET-AS, KE 36903 519 241 353 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 378 875 235 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 14799 41290 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13661 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7271 1939 806 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4754 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 2501 157 440 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 13661 13540 CHINAMOBILE-CN China Mobile Communications Grou 8151 7271 6465 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4754 4394 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3428 3239 CMNET-JIANGSU-AP China Mobile communications co 17561 2501 2061 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 /16:7470 /17:3500 /18:4248 /19:7812 /20:13319 /21:16229 /22:28829 /23:30419 /24:177909 /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 3958 7271 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3037 4754 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2645 14799 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 2:573 3:1007 4:1 5:1178 6:187 7:5 8:618 9:7 11:172 12:845 13:639 14:122 15:401 16:178 17:3 18:915 20:367 21:4 22:188 23:2904 24:790 27:22 28:1 29:19 31:460 32:13 34:9 35:177 36:3373 37:635 38:2678 39:872 40:59 41:1082 42:21 43:228 44:27 45:4408 46:903 47:187 48:67 49:24 50:481 51:532 52:1124 54:283 55:1213 56:11 57:28 58:17 59:27 60:14 61:54 62:653 63:685 64:2218 65:1017 66:2471 67:1199 68:495 69:1198 70:420 71:142 72:740 74:1024 75:262 76:219 77:520 78:561 79:247 80:344 81:424 82:828 83:212 84:369 85:636 86:244 87:233 88:278 89:609 90:120 91:929 92:635 93:935 94:988 95:1261 96:272 97:46 98:465 99:293 100:39 101:27 102:396 103:1166 104:1632 105:221 106:7 107:1778 108:526 109:377 110:62 111:2814 112:1326 113:43 114:33 115:14 116:61 117:1645 118:56 119:76 120:2039 121:39 122:48 123:106 124:58 125:19 126:1 128:516 129:381 130:716 131:1282 132:543 133:214 134:534 135:122 136:711 137:592 138:1088 139:454 140:750 141:457 142:1536 143:893 144:507 145:164 146:673 147:495 148:1017 149:786 150:221 151:934 152:844 153:392 154:2653 155:987 156:1844 157:430 158:682 159:886 160:698 161:702 162:980 163:436 164:723 165:641 166:554 167:731 168:1451 169:161 170:1882 171:104 172:1414 173:828 174:352 175:123 176:749 177:1184 178:655 179:911 180:37 181:2662 182:28 183:1721 184:437 185:3317 186:3684 187:1684 188:994 189:2001 190:6224 191:621 192:5113 193:1701 194:1116 195:939 196:681 197:679 198:2641 199:2458 200:4459 201:3639 202:1015 203:692 204:2195 205:1808 206:1497 207:1709 208:1631 209:2026 210:352 211:513 212:1121 213:874 214:954 215:36 216:2508 217:542 218:670 219:18 220:27 221:536 222:29 223:1711 End of report