IPv4 R&E Routing Table Report 20:15 GMT Thu 28 Mar, 2024 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: 182829 Prefixes after maximum aggregation (per Origin AS): 79855 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100173 Number of IPv4 prefixes with a valid ROA: 69755 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 113054 Total ASes present in the Internet Routing Table: 15585 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 13463 Origin ASes announcing only one prefix: 6108 Transit ASes present in the Internet Routing Table: 2122 Transit-only ASes present in the Internet Routing Table: 572 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN ( 28683) 24 Prefixes from unregistered ASNs in the Routing Table: 222 Number of instances of unregistered ASNs: 222 Number of 32-bit ASNs allocated by the RIRs: 43946 Number of 32-bit ASNs visible in the Routing Table: 5661 Prefixes from 32-bit ASNs in the Routing Table: 18846 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 97 Number of addresses announced to Internet: 1024926905 Equivalent to 61 /8s, 23 /16s and 36 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 53347 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28795 Total APNIC prefixes after maximum aggregation: 6532 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28520 Unique aggregates announced from the APNIC address blocks: 7542 APNIC Region origin ASes present in the Internet Routing Table: 1100 APNIC Prefixes per ASN: 25.93 APNIC Region origin ASes announcing only one prefix: 433 APNIC Region transit ASes present in the Internet Routing Table: 178 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 473 Number of APNIC addresses announced to Internet: 157705864 Equivalent to 9 /8s, 102 /16s and 102 /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, 131072-153913 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: 82563 Total ARIN prefixes after maximum aggregation: 44850 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81431 Unique aggregates announced from the ARIN address blocks: 50651 ARIN Region origin ASes present in the Internet Routing Table: 7183 ARIN Prefixes per ASN: 11.34 ARIN Region origin ASes announcing only one prefix: 3064 ARIN Region transit ASes present in the Internet Routing Table: 644 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1460 Number of ARIN addresses announced to Internet: 605586785 Equivalent to 36 /8s, 24 /16s and 133 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 35002 Total RIPE prefixes after maximum aggregation: 16582 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35473 Unique aggregates announced from the RIPE address blocks: 23421 RIPE Region origin ASes present in the Internet Routing Table: 3287 RIPE Prefixes per ASN: 10.79 RIPE Region origin ASes announcing only one prefix: 1399 RIPE Region transit ASes present in the Internet Routing Table: 518 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1215 Number of RIPE addresses announced to Internet: 157226448 Equivalent to 9 /8s, 95 /16s and 21 /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, 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: 31844 Total LACNIC prefixes after maximum aggregation: 10006 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31550 Unique aggregates announced from the LACNIC address blocks: 15664 LACNIC Region origin ASes present in the Internet Routing Table: 3101 LACNIC Prefixes per ASN: 10.17 LACNIC Region origin ASes announcing only one prefix: 1106 LACNIC Region transit ASes present in the Internet Routing Table: 616 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2385 Number of LACNIC addresses announced to Internet: 73536768 Equivalent to 4 /8s, 98 /16s and 21 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4403 Total AfriNIC prefixes after maximum aggregation: 1703 AfriNIC Deaggregation factor: 2.59 Prefixes being announced from the AfriNIC address blocks: 5758 Unique aggregates announced from the AfriNIC address blocks: 2804 AfriNIC Region origin ASes present in the Internet Routing Table: 247 AfriNIC Prefixes per ASN: 23.31 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 128 Number of AfriNIC addresses announced to Internet: 30815488 Equivalent to 1 /8s, 214 /16s and 53 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9647 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1496 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 786 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 435 488 107 CMNET-GUANGDONG-AP China Mobile communi 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 9754 11356 3399 AMAZON-02, US 749 3189 54916 2441 DNIC-AS-00749, US 367 2897 3599 1372 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1555 100 1148 USDA-1, US 5972 1426 397 640 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 954 255 82 CANET-ASN-4, CA 15169 840 2001 65 GOOGLE, 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1274 108 1044 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 58224 414 190 327 TCI, IR 13046 386 34 5 ASN-ISKON, HR 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 5372 1554 859 UNINET, MX 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 946 1128 29 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 565 2945 46 TELEFONICA BRASIL S.A, BR 10620 545 71 456 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 14117 230 39 9 Telefonica del Sur S.A., CL 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 24863 607 234 177 LINKdotNET-AS, EG 36992 404 638 266 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36914 208 82 3 KENET-AS, KE 37282 163 26 6 MAINONE, NG 327687 163 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 24835 150 80 100 RAYA-AS, EG 37693 145 595 51 TUNISIANA, TN 36935 143 36 39 Vodafone-, EG 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 9754 11356 3399 AMAZON-02, US 9808 9647 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5372 1554 859 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3189 54916 2441 DNIC-AS-00749, US 367 2897 3599 1372 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1695 4898 315 CENTURYLINK-US-LEGACY-QWEST, US 4155 1555 100 1148 USDA-1, US 56047 1496 192 47 CMNET-HUNAN-AP China Mobile communicati 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 9647 9587 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5372 4513 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2897 1525 DNIC-ASBLK-00306-00371, US 56047 1496 1449 CMNET-HUNAN-AP China Mobile communications corp 209 1695 1380 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 1113 COLOMBIA TELECOMUNICACIONES S.A. ESP, 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 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 /8:11 /9:4 /10:14 /11:25 /12:74 /13:114 /14:335 /15:673 /16:5269 /17:2519 /18:2586 /19:5357 /20:8514 /21:10718 /22:19387 /23:20211 /24:106759 /25:76 /26:48 /27:71 /28:19 /29:21 /30:18 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2936 5372 UNINET, MX 16509 2068 9754 AMAZON-02, US 209 957 1695 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 698 839 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 567 722 Jordan Data Communications, JO 7979 451 1002 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:378 3:287 5:1078 6:148 7:5 8:619 11:171 12:254 13:316 14:99 15:281 16:174 17:6 18:705 20:33 21:4 22:188 23:1800 24:405 25:2 27:17 29:19 31:162 32:1 34:5 35:53 36:1148 37:506 38:834 39:523 40:8 41:569 42:18 43:185 44:27 45:2322 46:580 47:99 49:11 50:250 51:470 52:1348 54:268 55:895 57:16 58:4 59:30 60:19 61:62 62:331 63:462 64:1438 65:792 66:1234 67:675 68:165 69:737 70:148 71:189 72:369 74:729 75:392 76:208 77:277 78:485 79:160 80:196 81:184 82:162 83:95 84:179 85:387 86:146 87:141 88:123 89:466 90:98 91:530 92:400 93:776 94:540 95:1076 96:165 97:31 98:125 99:145 100:22 101:25 102:226 103:1064 104:682 105:25 106:3 107:222 108:298 109:231 110:24 111:1782 112:447 113:40 114:32 115:11 116:31 117:947 118:50 119:97 120:1090 121:31 122:79 123:20 124:57 125:11 128:364 129:308 130:471 131:796 132:501 133:264 134:323 135:66 136:370 137:472 138:757 139:395 140:588 141:318 142:697 143:578 144:318 145:59 146:464 147:319 148:566 149:507 150:289 151:496 152:364 153:117 154:549 155:660 156:375 157:244 158:317 159:523 160:324 161:412 162:690 163:282 164:625 165:368 166:99 167:382 168:1002 169:157 170:1249 171:66 172:896 173:618 174:103 175:46 176:398 177:764 178:320 179:496 180:43 181:990 182:20 183:854 184:200 185:2229 186:983 187:760 188:481 189:1083 190:2920 191:182 192:3680 193:1227 194:787 195:555 196:417 197:400 198:1903 199:3357 200:2685 201:2543 202:940 203:590 204:1758 205:1653 206:1130 207:1058 208:969 209:1430 210:301 211:424 212:673 213:523 214:1046 215:43 216:1683 217:282 218:515 219:19 220:30 221:302 222:17 223:629 End of report