IPv4 R&E Routing Table Report 20:15 GMT Tue 28 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: 292481 Prefixes after maximum aggregation (per Origin AS): 119209 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149483 Number of IPv4 prefixes with a valid ROA: 151198 Number of IPv4 prefixes with an invalid ROA: 217 Number of IPv4 prefixes with no ROA: 141066 Total ASes present in the Internet Routing Table: 20256 Prefixes per ASN: 14.44 Origin-only ASes present in the Internet Routing Table: 17393 Origin ASes announcing only one prefix: 7794 Transit ASes present in the Internet Routing Table: 2863 Transit-only ASes present in the Internet Routing Table: 700 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: 220 Number of instances of unregistered ASNs: 249 Number of 32-bit ASNs allocated by the RIRs: 49524 Number of 32-bit ASNs visible in the Routing Table: 8365 Prefixes from 32-bit ASNs in the Routing Table: 35807 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: 103 Number of addresses announced to Internet: 1621794085 Equivalent to 96 /8s, 170 /16s and 157 /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: 95146 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42966 Total APNIC prefixes after maximum aggregation: 7955 APNIC Deaggregation factor: 5.40 Prefixes being announced from the APNIC address blocks: 39297 Unique aggregates announced from the APNIC address blocks: 7681 APNIC Region origin ASes present in the Internet Routing Table: 1182 APNIC Prefixes per ASN: 33.25 APNIC Region origin ASes announcing only one prefix: 463 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: 566 Number of APNIC addresses announced to Internet: 168527468 Equivalent to 10 /8s, 11 /16s and 134 /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: 129148 Total ARIN prefixes after maximum aggregation: 65872 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126336 Unique aggregates announced from the ARIN address blocks: 71771 ARIN Region origin ASes present in the Internet Routing Table: 8925 ARIN Prefixes per ASN: 14.16 ARIN Region origin ASes announcing only one prefix: 3700 ARIN Region transit ASes present in the Internet Routing Table: 836 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: 2164 Number of ARIN addresses announced to Internet: 1018159145 Equivalent to 60 /8s, 175 /16s and 224 /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: 52383 Total RIPE prefixes after maximum aggregation: 26057 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55723 Unique aggregates announced from the RIPE address blocks: 38527 RIPE Region origin ASes present in the Internet Routing Table: 4479 RIPE Prefixes per ASN: 12.44 RIPE Region origin ASes announcing only one prefix: 1900 RIPE Region transit ASes present in the Internet Routing Table: 706 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: 1936 Number of RIPE addresses announced to Internet: 283470288 Equivalent to 16 /8s, 229 /16s and 105 /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: 58206 Total LACNIC prefixes after maximum aggregation: 16782 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55774 Unique aggregates announced from the LACNIC address blocks: 24591 LACNIC Region origin ASes present in the Internet Routing Table: 4583 LACNIC Prefixes per ASN: 12.17 LACNIC Region origin ASes announcing only one prefix: 1623 LACNIC Region transit ASes present in the Internet Routing Table: 921 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: 3551 Number of LACNIC addresses announced to Internet: 106932416 Equivalent to 6 /8s, 95 /16s and 168 /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: 9558 Total AfriNIC prefixes after maximum aggregation: 2373 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 15248 Unique aggregates announced from the AfriNIC address blocks: 6830 AfriNIC Region origin ASes present in the Internet Routing Table: 268 AfriNIC Prefixes per ASN: 56.90 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 75 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: 148 Number of AfriNIC addresses announced to Internet: 44631552 Equivalent to 2 /8s, 169 /16s and 6 /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 13672 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2501 157 438 LCS-AS-AP LARUS Limited, HK 56041 1820 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1073 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 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 788 497 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 14850 41294 5683 AMAZON-02 - Amazon.com, Inc., US 22773 4770 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 1614 4848 253 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1592 1310 732 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 1509 1384 142 SAUDINETSTC-AS, SA 20940 1233 95 1005 AKAMAI-ASN1, NL 34984 1033 143 730 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 212238 794 58 702 CDNEXT, GB 8376 674 54 29 UNASSIGNED 35819 569 567 68 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 7375 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 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 843 140 44 ENTEL CHILE S.A., CL 52468 683 43 236 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 36935 756 520 37 Vodafone-, EG 24863 743 116 366 LINKdotNET-AS, EG 36914 552 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 368 318 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 14850 41294 5683 AMAZON-02 - Amazon.com, Inc., US 9808 13672 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7375 1931 800 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4770 3099 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 17561 2501 157 438 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 13672 13551 CHINAMOBILE-CN China Mobile Communications Grou 8151 7375 6575 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4770 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2501 2063 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1820 1741 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 1666 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 /16:7468 /17:3501 /18:4249 /19:7763 /20:13318 /21:16178 /22:28875 /23:30457 /24:178240 /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 4100 7375 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3053 4770 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2668 14850 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 209 939 1614 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 2:570 3:1010 4:1 5:1203 6:187 7:5 8:617 9:7 11:172 12:846 13:651 14:125 15:402 16:174 17:3 18:919 20:368 21:4 22:188 23:2908 24:788 27:22 28:1 29:19 31:463 32:13 34:9 35:177 36:3422 37:640 38:2635 39:877 40:59 41:1069 42:21 43:217 44:27 45:4436 46:904 47:187 48:67 49:23 50:477 51:531 52:1125 54:280 55:1209 56:11 57:31 58:17 59:27 60:14 61:54 62:653 63:687 64:2235 65:1014 66:2476 67:1203 68:484 69:1196 70:420 71:142 72:745 74:1019 75:257 76:218 77:514 78:568 79:251 80:351 81:428 82:832 83:212 84:395 85:640 86:250 87:235 88:279 89:633 90:123 91:940 92:643 93:942 94:989 95:1268 96:274 97:45 98:466 99:296 100:39 101:26 102:400 103:1129 104:1632 105:159 106:7 107:1780 108:529 109:380 110:62 111:2816 112:1327 113:39 114:33 115:14 116:54 117:1636 118:56 119:77 120:2047 121:36 122:48 123:106 124:59 125:19 126:1 128:515 129:381 130:718 131:1288 132:549 133:214 134:534 135:124 136:729 137:594 138:1082 139:458 140:745 141:456 142:1550 143:909 144:515 145:166 146:675 147:502 148:1020 149:779 150:221 151:940 152:847 153:420 154:2591 155:998 156:1862 157:430 158:683 159:891 160:696 161:705 162:982 163:431 164:725 165:642 166:560 167:728 168:1467 169:162 170:1886 171:104 172:1464 173:828 174:355 175:127 176:755 177:1205 178:670 179:919 180:37 181:2621 182:25 183:1732 184:439 185:3364 186:3611 187:1770 188:1037 189:2023 190:6182 191:634 192:5116 193:1710 194:1124 195:932 196:671 197:684 198:2641 199:2465 200:4402 201:3627 202:1013 203:696 204:2208 205:1810 206:1502 207:1707 208:1632 209:2027 210:353 211:517 212:1097 213:871 214:955 215:36 216:2520 217:541 218:670 219:18 220:27 221:536 222:29 223:1713 End of report