IPv4 R&E Routing Table Report 20:15 GMT Thu 28 May, 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: 290672 Prefixes after maximum aggregation (per Origin AS): 119068 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 149028 Number of IPv4 prefixes with a valid ROA: 171579 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 118879 Total ASes present in the Internet Routing Table: 20195 Prefixes per ASN: 14.39 Origin-only ASes present in the Internet Routing Table: 17334 Origin ASes announcing only one prefix: 7747 Transit ASes present in the Internet Routing Table: 2861 Transit-only ASes present in the Internet Routing Table: 717 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 277 Number of instances of unregistered ASNs: 306 Number of 32-bit ASNs allocated by the RIRs: 49912 Number of 32-bit ASNs visible in the Routing Table: 8296 Prefixes from 32-bit ASNs in the Routing Table: 35556 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 89 Number of addresses announced to Internet: 1614119173 Equivalent to 96 /8s, 53 /16s and 129 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 94540 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42434 Total APNIC prefixes after maximum aggregation: 7857 APNIC Deaggregation factor: 5.40 Prefixes being announced from the APNIC address blocks: 39391 Unique aggregates announced from the APNIC address blocks: 7783 APNIC Region origin ASes present in the Internet Routing Table: 1204 APNIC Prefixes per ASN: 32.72 APNIC Region origin ASes announcing only one prefix: 471 APNIC Region transit ASes present in the Internet Routing Table: 207 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: 588 Number of APNIC addresses announced to Internet: 167982188 Equivalent to 10 /8s, 3 /16s and 52 /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: 128351 Total ARIN prefixes after maximum aggregation: 65667 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 125620 Unique aggregates announced from the ARIN address blocks: 71022 ARIN Region origin ASes present in the Internet Routing Table: 8934 ARIN Prefixes per ASN: 14.06 ARIN Region origin ASes announcing only one prefix: 3705 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2173 Number of ARIN addresses announced to Internet: 1018642953 Equivalent to 60 /8s, 183 /16s and 66 /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: 51627 Total RIPE prefixes after maximum aggregation: 25899 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54704 Unique aggregates announced from the RIPE address blocks: 38001 RIPE Region origin ASes present in the Internet Routing Table: 4500 RIPE Prefixes per ASN: 12.16 RIPE Region origin ASes announcing only one prefix: 1921 RIPE Region transit ASes present in the Internet Routing Table: 722 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1956 Number of RIPE addresses announced to Internet: 280284880 Equivalent to 16 /8s, 180 /16s and 206 /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: 58635 Total LACNIC prefixes after maximum aggregation: 16877 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55894 Unique aggregates announced from the LACNIC address blocks: 24783 LACNIC Region origin ASes present in the Internet Routing Table: 4445 LACNIC Prefixes per ASN: 12.57 LACNIC Region origin ASes announcing only one prefix: 1539 LACNIC Region transit ASes present in the Internet Routing Table: 893 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3430 Number of LACNIC addresses announced to Internet: 105004992 Equivalent to 6 /8s, 66 /16s and 63 /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: 9348 Total AfriNIC prefixes after maximum aggregation: 2596 AfriNIC Deaggregation factor: 3.60 Prefixes being announced from the AfriNIC address blocks: 14974 Unique aggregates announced from the AfriNIC address blocks: 7366 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 54.06 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149 Number of AfriNIC addresses announced to Internet: 42135040 Equivalent to 2 /8s, 130 /16s and 238 /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 13734 8737 119 CHINAMOBILE-CN - China Mobile Communicati 56046 3409 886 196 CMNET-Jiangsu-AP - China Mobile communica 17561 2224 140 398 LCS-AS-AP - LARUS Limited, HK 56041 1852 715 83 CMNET-Zhejiang-AP - China Mobile communic 56047 1717 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1087 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 24547 934 177 50 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 915 481 58 CMNET-Jiangxi-AP - China Mobile communica 45102 871 1253 179 ALIBABA-CN-NET - Alibaba (US) Technology 24445 796 497 67 CMNET-V4henan-AS-AP - Henan Mobile Commun 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 15009 41424 5709 AMAZON-02 - Amazon.com, Inc., US 22773 4756 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2689 201 1235 AS-COLOCROSSING - HostPapa, US 6167 2154 4364 558 CELLCO-PART - Verizon Business, US 11776 1898 256 225 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1618 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1498 1213 713 DNIC-ASBLK-00306-00371 - United States De 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1451 728 659 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 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 25019 1490 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 20940 1238 95 1011 AKAMAI-ASN1 - Akamai International B.V., 34984 1091 141 735 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 923 1841 19 TE-AS - IDDQD-AS, EG 3215 875 4814 339 AS3215 - Orange S.A., FR 212238 824 59 730 CDNEXT - Datacamp Limited, GB 8376 699 53 30 UNSPECIFIED - Jordan Data Communications 51167 565 113 248 CONTABO - Contabo GmbH, DE 35819 562 556 91 Mobily-AS - Etihad Etisalat, a joint stoc 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 7562 1875 788 AS8151 - UNINET, MX 11830 1935 369 65 AS11830 - Instituto Costarricense de Elec 10620 1591 214 1154 AS10620 - Telmex Colombia S.A., CO 11664 1472 277 32 AS11664 - Techtel LMDS Comunicaciones Int 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1224 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1064 2391 99 AS26615 - TIM S/A, BR 18881 981 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 27651 853 140 44 AS27651 - ENTEL CHILE S.A., CL 52468 691 44 240 AS52468 - 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 1459 525 29 Vodafone Data - Vodafone Data, EG 24863 749 118 371 Link Egypt (Link.NET) - Link Egypt (Link. 37069 743 1100 11 The Egyptian Company for Mobile Services 36935 574 150 151 Vodafone Data - Vodafone Data, EG 36914 551 82 3 Kenya Education Network - Kenya Education 29571 481 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36903 464 220 314 Office National des Postes et Telecommuni 2018 375 318 69 TENET (The UNINET Project) - TENET (The U 36992 371 436 311 ETISALAT MISR - ETISALAT MISR, EG 37693 349 599 43 OOREDOO TUNISIE SA - OOREDOO TUNISIE SA, 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 15009 41424 5709 AMAZON-02 - Amazon.com, Inc., US 9808 13734 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 7562 1875 788 AS8151 - UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4756 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3409 886 196 CMNET-Jiangsu-AP - China Mobile communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2689 201 1235 AS-COLOCROSSING - HostPapa, US 17561 2224 140 398 LCS-AS-AP - LARUS Limited, HK 6167 2154 4364 558 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 13734 13615 CHINAMOBILE-CN - China Mobile Communications Gr 8151 7562 6774 AS8151 - UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 4756 4392 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3409 3213 CMNET-Jiangsu-AP - China Mobile communications 11830 1935 1870 AS11830 - Instituto Costarricense de Electricid 17561 2224 1826 LCS-AS-AP - LARUS Limited, HK 56041 1852 1769 CMNET-Zhejiang-AP - China Mobile communications 11776 1898 1673 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 1665 CMNET-Hunan-AP - China Mobile communications co 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 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 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 Communications Inc., 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2 - Heymman Servers Corporation, 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.176.104.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.176.104.0/24 Transit: 36352 AS-COLOCROSSING - HostPapa, US 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 /11:54 /12:161 /13:214 /14:576 /15:1085 /16:7438 /17:3440 /18:4161 /19:7657 /20:12825 /21:15954 /22:28060 /23:30172 /24:178523 /25:64 /26:84 /27:46 /28:20 /29:7 /30:18 /31:0 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4268 7562 AS8151 - UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3056 4756 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2713 15009 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1935 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1167 1472 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1046 2689 AS-COLOCROSSING - HostPapa, US 10620 1004 1591 AS10620 - Telmex Colombia S.A., CO 19901 1001 1451 BRIGHTSPEED - Brightspeed, US 6167 991 2154 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:533 3:992 4:1 5:1128 6:190 7:5 8:616 9:7 11:172 12:797 13:631 14:123 15:409 16:189 17:3 18:911 20:373 21:4 22:188 23:2990 24:788 27:18 28:1 29:19 31:485 32:13 34:10 35:178 36:3417 37:685 38:2586 39:899 40:60 41:1045 42:20 43:212 44:26 45:4348 46:898 47:190 48:98 49:23 50:482 51:549 52:1147 54:237 55:1104 56:11 57:31 58:43 59:34 60:14 61:64 62:679 63:679 64:2225 65:1022 66:2369 67:1196 68:509 69:1185 70:424 71:142 72:704 74:1017 75:261 76:216 77:510 78:539 79:279 80:305 81:431 82:856 83:201 84:402 85:588 86:274 87:241 88:268 89:640 90:120 91:865 92:588 93:962 94:1006 95:1281 96:288 97:47 98:469 99:316 100:40 101:34 102:409 103:1120 104:1673 105:195 106:7 107:1825 108:524 109:357 110:61 111:2812 112:1383 113:36 114:32 115:15 116:49 117:1652 118:54 119:72 120:2073 121:38 122:55 123:107 124:62 125:17 126:1 128:512 129:387 130:727 131:1226 132:551 133:214 134:567 135:123 136:644 137:595 138:1111 139:469 140:747 141:476 142:1588 143:842 144:517 145:183 146:646 147:490 148:1044 149:858 150:271 151:937 152:869 153:604 154:2347 155:962 156:1972 157:412 158:684 159:897 160:692 161:762 162:972 163:378 164:710 165:633 166:551 167:730 168:1492 169:157 170:1822 171:99 172:1454 173:802 174:352 175:111 176:761 177:1185 178:680 179:922 180:52 181:2741 182:28 183:1754 184:448 185:3296 186:3779 187:1941 188:1042 189:1943 190:6338 191:613 192:5173 193:1697 194:1114 195:952 196:716 197:681 198:2666 199:2486 200:4508 201:3700 202:1006 203:711 204:2171 205:1833 206:1506 207:1718 208:1609 209:1886 210:354 211:523 212:1054 213:859 214:956 215:36 216:2496 217:541 218:669 219:18 220:26 221:536 222:27 223:1699 End of report