IPv4 R&E Routing Table Report 20:15 GMT Fri 24 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: 291507 Prefixes after maximum aggregation (per Origin AS): 118525 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148616 Number of IPv4 prefixes with a valid ROA: 150337 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 140955 Total ASes present in the Internet Routing Table: 20198 Prefixes per ASN: 14.43 Origin-only ASes present in the Internet Routing Table: 17348 Origin ASes announcing only one prefix: 7790 Transit ASes present in the Internet Routing Table: 2850 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: 217 Number of instances of unregistered ASNs: 246 Number of 32-bit ASNs allocated by the RIRs: 49490 Number of 32-bit ASNs visible in the Routing Table: 8276 Prefixes from 32-bit ASNs in the Routing Table: 35032 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: 104 Number of addresses announced to Internet: 1621686565 Equivalent to 96 /8s, 168 /16s and 249 /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: 94728 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42598 Total APNIC prefixes after maximum aggregation: 7836 APNIC Deaggregation factor: 5.44 Prefixes being announced from the APNIC address blocks: 39152 Unique aggregates announced from the APNIC address blocks: 7629 APNIC Region origin ASes present in the Internet Routing Table: 1191 APNIC Prefixes per ASN: 32.87 APNIC Region origin ASes announcing only one prefix: 478 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: 577 Number of APNIC addresses announced to Internet: 168494188 Equivalent to 10 /8s, 11 /16s and 4 /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: 129089 Total ARIN prefixes after maximum aggregation: 65853 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126287 Unique aggregates announced from the ARIN address blocks: 71747 ARIN Region origin ASes present in the Internet Routing Table: 8951 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 3715 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: 1018102825 Equivalent to 60 /8s, 175 /16s and 4 /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: 52098 Total RIPE prefixes after maximum aggregation: 25820 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55376 Unique aggregates announced from the RIPE address blocks: 38231 RIPE Region origin ASes present in the Internet Routing Table: 4489 RIPE Prefixes per ASN: 12.34 RIPE Region origin ASes announcing only one prefix: 1904 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: 1931 Number of RIPE addresses announced to Internet: 283643088 Equivalent to 16 /8s, 232 /16s and 12 /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: 57898 Total LACNIC prefixes after maximum aggregation: 16432 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 55365 Unique aggregates announced from the LACNIC address blocks: 24050 LACNIC Region origin ASes present in the Internet Routing Table: 4468 LACNIC Prefixes per ASN: 12.39 LACNIC Region origin ASes announcing only one prefix: 1581 LACNIC Region transit ASes present in the Internet Routing Table: 909 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: 3455 Number of LACNIC addresses announced to Internet: 106806208 Equivalent to 6 /8s, 93 /16s and 187 /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: 9607 Total AfriNIC prefixes after maximum aggregation: 2417 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 15223 Unique aggregates announced from the AfriNIC address blocks: 6877 AfriNIC Region origin ASes present in the Internet Routing Table: 272 AfriNIC Prefixes per ASN: 55.97 AfriNIC Region origin ASes announcing only one prefix: 112 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: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149 Number of AfriNIC addresses announced to Internet: 44564480 Equivalent to 2 /8s, 168 /16s and 0 /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 2473 155 426 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 14805 41294 5672 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 1614 1312 750 DNIC-ASBLK-00306-00371 - United States De 20057 1461 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1456 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 1484 1334 138 SAUDINETSTC-AS, SA 20940 1237 95 1008 AKAMAI-ASN1, NL 34984 1045 145 734 TELLCOM-AS, TR 8452 932 1841 19 TE-AS TE-AS, EG 3215 903 4816 310 France Telecom - Orange, FR 8376 665 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 7367 1941 792 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1506 207 1118 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 552 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 14805 41294 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13659 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7367 1941 792 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 2473 155 426 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 7367 6575 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 2473 2047 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 /16:7467 /17:3498 /18:4243 /19:7790 /20:13282 /21:16222 /22:28826 /23:30458 /24:177289 /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 4087 7367 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3051 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2661 14805 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 1007 1456 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 2:570 3:1000 4:1 5:1176 6:186 7:5 8:622 9:7 11:172 12:849 13:643 14:120 15:401 16:174 17:3 18:915 20:366 21:4 22:188 23:2909 24:789 27:22 28:1 29:19 31:456 32:13 34:9 35:177 36:3373 37:630 38:2660 39:870 40:58 41:1078 42:21 43:220 44:26 45:4364 46:902 47:188 48:67 49:24 50:482 51:530 52:1122 54:283 55:1206 56:11 57:29 58:17 59:27 60:14 61:53 62:631 63:686 64:2224 65:1011 66:2468 67:1212 68:493 69:1197 70:420 71:142 72:749 74:1019 75:261 76:219 77:522 78:560 79:246 80:344 81:421 82:828 83:211 84:370 85:632 86:243 87:232 88:282 89:614 90:119 91:926 92:640 93:934 94:978 95:1262 96:274 97:46 98:466 99:296 100:39 101:27 102:383 103:1112 104:1636 105:160 106:7 107:1778 108:526 109:377 110:62 111:2813 112:1318 113:39 114:33 115:9 116:54 117:1644 118:56 119:76 120:2039 121:36 122:48 123:106 124:58 125:19 126:1 128:517 129:381 130:728 131:1274 132:542 133:214 134:534 135:122 136:714 137:592 138:1064 139:454 140:746 141:456 142:1544 143:871 144:510 145:164 146:676 147:499 148:1016 149:787 150:223 151:925 152:828 153:390 154:2657 155:992 156:1831 157:423 158:681 159:886 160:695 161:700 162:992 163:433 164:722 165:635 166:553 167:733 168:1434 169:167 170:1850 171:104 172:1418 173:827 174:356 175:121 176:746 177:1105 178:653 179:893 180:38 181:2666 182:28 183:1721 184:448 185:3295 186:3622 187:1734 188:997 189:2005 190:6237 191:554 192:5120 193:1697 194:1109 195:942 196:669 197:678 198:2642 199:2476 200:4408 201:3592 202:1013 203:693 204:2200 205:1808 206:1496 207:1709 208:1634 209:2027 210:352 211:513 212:1100 213:878 214:958 215:36 216:2521 217:548 218:670 219:18 220:27 221:536 222:29 223:1709 End of report