IPv4 R&E Routing Table Report 20:15 GMT Mon 13 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: 291107 Prefixes after maximum aggregation (per Origin AS): 118618 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149145 Number of IPv4 prefixes with a valid ROA: 150616 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140280 Total ASes present in the Internet Routing Table: 20329 Prefixes per ASN: 14.32 Origin-only ASes present in the Internet Routing Table: 17442 Origin ASes announcing only one prefix: 7847 Transit ASes present in the Internet Routing Table: 2887 Transit-only ASes present in the Internet Routing Table: 722 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: 216 Number of instances of unregistered ASNs: 245 Number of 32-bit ASNs allocated by the RIRs: 49318 Number of 32-bit ASNs visible in the Routing Table: 8286 Prefixes from 32-bit ASNs in the Routing Table: 34927 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: 99 Number of addresses announced to Internet: 1620157733 Equivalent to 96 /8s, 145 /16s and 165 /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: 94405 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43622 Total APNIC prefixes after maximum aggregation: 8124 APNIC Deaggregation factor: 5.37 Prefixes being announced from the APNIC address blocks: 39495 Unique aggregates announced from the APNIC address blocks: 7882 APNIC Region origin ASes present in the Internet Routing Table: 1287 APNIC Prefixes per ASN: 30.69 APNIC Region origin ASes announcing only one prefix: 523 APNIC Region transit ASes present in the Internet Routing Table: 237 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 656 Number of APNIC addresses announced to Internet: 168610412 Equivalent to 10 /8s, 12 /16s and 202 /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: 128239 Total ARIN prefixes after maximum aggregation: 65615 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 125609 Unique aggregates announced from the ARIN address blocks: 71452 ARIN Region origin ASes present in the Internet Routing Table: 8949 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 3712 ARIN Region transit ASes present in the Internet Routing Table: 841 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: 2153 Number of ARIN addresses announced to Internet: 1018297385 Equivalent to 60 /8s, 177 /16s and 252 /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: 52134 Total RIPE prefixes after maximum aggregation: 25801 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55344 Unique aggregates announced from the RIPE address blocks: 38193 RIPE Region origin ASes present in the Internet Routing Table: 4562 RIPE Prefixes per ASN: 12.13 RIPE Region origin ASes announcing only one prefix: 1950 RIPE Region transit ASes present in the Internet Routing Table: 715 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: 1958 Number of RIPE addresses announced to Internet: 282892752 Equivalent to 16 /8s, 220 /16s and 153 /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: 57157 Total LACNIC prefixes after maximum aggregation: 16409 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 54668 Unique aggregates announced from the LACNIC address blocks: 23998 LACNIC Region origin ASes present in the Internet Routing Table: 4407 LACNIC Prefixes per ASN: 12.40 LACNIC Region origin ASes announcing only one prefix: 1544 LACNIC Region transit ASes present in the Internet Routing Table: 892 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: 3371 Number of LACNIC addresses announced to Internet: 106451136 Equivalent to 6 /8s, 88 /16s and 80 /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: 9739 Total AfriNIC prefixes after maximum aggregation: 2498 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 15892 Unique aggregates announced from the AfriNIC address blocks: 7542 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 56.35 AfriNIC Region origin ASes announcing only one prefix: 118 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: 148 Number of AfriNIC addresses announced to Internet: 43830016 Equivalent to 2 /8s, 156 /16s and 203 /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 13635 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3420 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 3002 189 487 LCS-AS-AP LARUS Limited, HK 56041 1810 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 809 1226 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 782 497 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 14657 41277 5676 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2384 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1584 1306 725 DNIC-ASBLK-00306-00371 - United States De 19901 1463 728 675 BRIGHTSPEED - Brightspeed, US 20057 1458 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 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 4972 306 72 ALJAWWALSTC-AS, SA 25019 1425 1335 141 SAUDINETSTC-AS, SA 20940 1253 97 1021 AKAMAI-ASN1, NL 34984 1106 149 771 TELLCOM-AS, TR 8452 941 1841 19 TE-AS TE-AS, EG 3215 905 4832 302 France Telecom - Orange, FR 8376 671 53 29 UNASSIGNED 212238 598 42 532 CDNEXT, GB 35819 591 582 76 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 6827 1891 821 UNINET, MX 11830 1938 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1434 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1246 371 22 INTEGRATEL PERU S.A.A., PE 26615 1058 2391 100 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 841 140 44 ENTEL CHILE S.A., CL 12252 672 164 24 America Movil Peru S.A.C., PE 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 1542 552 27 RAYA-AS, EG 24863 807 129 404 LINKdotNET-AS, EG 37069 767 1100 11 MOBINIL, EG 36935 758 521 39 Vodafone-, EG 36914 552 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 431 900 269 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 14657 41277 5676 AMAZON-02 - Amazon.com, Inc., US 9808 13635 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6827 1891 821 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4779 3100 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3420 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 3002 189 487 LCS-AS-AP LARUS Limited, HK 36352 2384 195 1099 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 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 13635 13515 CHINAMOBILE-CN China Mobile Communications Grou 8151 6827 6006 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4779 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3420 3231 CMNET-JIANGSU-AP China Mobile communications co 17561 3002 2515 LCS-AS-AP LARUS Limited, HK 11830 1938 1873 Instituto Costarricense de Electricidad y Telec 56041 1810 1731 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 /14:576 /15:1080 /16:7469 /17:3493 /18:4230 /19:7695 /20:13273 /21:16011 /22:28628 /23:30191 /24:177687 /25:63 /26:83 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3788 6827 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3054 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2643 14657 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1938 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1434 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1030 2384 AS-COLOCROSSING - HostPapa, US 19901 1021 1463 BRIGHTSPEED - Brightspeed, US 6167 963 2118 CELLCO-PART - Verizon Business, US 209 945 1627 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 2:542 3:1000 4:1 5:1174 6:184 7:5 8:614 9:7 11:172 12:845 13:631 14:134 15:399 16:150 17:3 18:909 20:367 21:4 22:188 23:2892 24:784 27:19 28:1 29:19 31:470 32:13 34:9 35:177 36:3356 37:675 38:2594 39:883 40:52 41:1099 42:20 43:198 44:27 45:4533 46:901 47:186 48:65 49:23 50:487 51:527 52:1101 54:274 55:1118 56:11 57:27 58:78 59:30 60:14 61:54 62:649 63:689 64:2225 65:1004 66:2473 67:1215 68:482 69:1195 70:424 71:142 72:740 74:991 75:263 76:227 77:528 78:558 79:242 80:339 81:416 82:854 83:208 84:365 85:606 86:239 87:222 88:287 89:606 90:100 91:931 92:669 93:917 94:977 95:1270 96:270 97:44 98:466 99:289 100:30 101:26 102:381 103:1190 104:1631 105:147 106:7 107:1770 108:532 109:360 110:62 111:2798 112:1321 113:34 114:32 115:29 116:55 117:1662 118:58 119:125 120:2033 121:36 122:47 123:108 124:62 125:17 126:1 128:502 129:383 130:717 131:1263 132:554 133:214 134:533 135:137 136:714 137:599 138:1063 139:453 140:748 141:460 142:1533 143:869 144:503 145:166 146:670 147:506 148:1025 149:759 150:226 151:931 152:832 153:388 154:2913 155:985 156:2024 157:470 158:676 159:865 160:682 161:702 162:981 163:440 164:726 165:652 166:555 167:715 168:1447 169:164 170:1844 171:106 172:1394 173:829 174:353 175:131 176:750 177:1113 178:654 179:880 180:37 181:2609 182:31 183:1724 184:451 185:3359 186:3607 187:1687 188:1029 189:1858 190:6221 191:568 192:5112 193:1709 194:1105 195:939 196:669 197:741 198:2649 199:2471 200:4334 201:3587 202:1056 203:722 204:2191 205:1813 206:1506 207:1705 208:1620 209:2044 210:410 211:513 212:1094 213:900 214:959 215:36 216:2489 217:549 218:670 219:18 220:27 221:536 222:30 223:1709 End of report