This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 12 Jul, 2025 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1009677 Prefixes after maximum aggregation (per Origin AS): 383806 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 486428 Number of IPv4 prefixes with a valid ROA: 565356 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 444302 Total ASes present in the Internet Routing Table: 77115 Prefixes per ASN: 13.09 Origin-only ASes present in the Internet Routing Table: 65960 Origin ASes announcing only one prefix: 26864 Transit ASes present in the Internet Routing Table: 11155 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 70 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1117 Number of instances of unregistered ASNs: 1152 Number of 32-bit ASNs allocated by the RIRs: 46816 Number of 32-bit ASNs visible in the Routing Table: 38588 Prefixes from 32-bit ASNs in the Routing Table: 208901 Number of bogon 32-bit ASNs visible in the Routing Table: 88 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 340 Number of addresses announced to Internet: 3111872065 Equivalent to 185 /8s, 123 /16s and 102 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 328112 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 274062 Total APNIC prefixes after maximum aggregation: 78682 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 264628 Unique aggregates announced from the APNIC address blocks: 105269 APNIC Region origin ASes present in the Internet Routing Table: 14806 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 4497 APNIC Region transit ASes present in the Internet Routing Table: 2011 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10274 Number of APNIC addresses announced to Internet: 754664768 Equivalent to 44 /8s, 251 /16s and 69 /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: 294055 Total ARIN prefixes after maximum aggregation: 131989 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 295790 Unique aggregates announced from the ARIN address blocks: 140951 ARIN Region origin ASes present in the Internet Routing Table: 19219 ARIN Prefixes per ASN: 15.39 ARIN Region origin ASes announcing only one prefix: 7019 ARIN Region transit ASes present in the Internet Routing Table: 2005 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5242 Number of ARIN addresses announced to Internet: 1349462784 Equivalent to 80 /8s, 111 /16s and 43 /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, 393216-402332 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: 280335 Total RIPE prefixes after maximum aggregation: 135879 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 279275 Unique aggregates announced from the RIPE address blocks: 176966 RIPE Region origin ASes present in the Internet Routing Table: 28956 RIPE Prefixes per ASN: 9.64 RIPE Region origin ASes announcing only one prefix: 12026 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12558 Number of RIPE addresses announced to Internet: 731503553 Equivalent to 43 /8s, 153 /16s and 219 /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: 126193 Total LACNIC prefixes after maximum aggregation: 29754 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 122476 Unique aggregates announced from the LACNIC address blocks: 49061 LACNIC Region origin ASes present in the Internet Routing Table: 11276 LACNIC Prefixes per ASN: 10.86 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2537 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9231 Number of LACNIC addresses announced to Internet: 171176512 Equivalent to 10 /8s, 51 /16s and 242 /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: 33915 Total AfriNIC prefixes after maximum aggregation: 6747 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 47168 Unique aggregates announced from the AfriNIC address blocks: 13876 AfriNIC Region origin ASes present in the Internet Routing Table: 1914 AfriNIC Prefixes per ASN: 24.64 AfriNIC Region origin ASes announcing only one prefix: 677 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283 Number of AfriNIC addresses announced to Internet: 104852480 Equivalent to 6 /8s, 63 /16s and 236 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 11912 8921 173 CHINAMOBILE-CN China Mobile Communication 7545 6136 839 613 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4886 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4458 347 25 FPT-AS-AP FPT Telecom Company, VN 45899 4380 1874 55 VNPT-AS-VN VNPT Corp, VN 9498 4361 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3939 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3703 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2789 832 219 CMNET-JIANGSU-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13689 40962 5257 AMAZON-02, US 174 5281 8769 848 COGENT-174, US 11492 4788 317 606 CABLEONE, US 7155 3871 287 89 VIASAT-SP-BACKBONE, US 6327 3637 1320 82 SHAW, CA 22773 3337 3018 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3225 54767 2476 DNIC-AS-00749, US 396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US 16625 2987 1255 2218 AKAMAI-AS, US 4155 2849 216 1727 USDA-1, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7637 1713 150 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3970 3396 140 AKAMAI-ASN1, NL 9009 3777 360 2110 M247, RO 12389 3121 2317 875 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 582 TELLCOM-AS, TR 5384 2379 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2348 167 1715 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1585 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12290 3252 567 UNINET, MX 10620 3512 481 1022 Telmex Colombia S.A., CO 13999 2530 538 352 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1369 2435 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1197 371 22 Telefonica del Peru S.A.A., PE 11664 1165 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1054 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1024 2487 55 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1619 633 33 RAYA-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36992 1140 1466 338 ETISALAT-MISR, EG 36935 741 520 39 Vodafone-, EG 24863 645 389 22 LINKdotNET-AS, EG 37069 600 1112 11 MOBINIL, EG 36914 571 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 541 57 60 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13689 40962 5257 AMAZON-02, US 8151 12290 3252 567 UNINET, MX 9808 11912 8921 173 CHINAMOBILE-CN China Mobile Communication 12479 7637 1713 150 UNI2-AS, ES 7545 6136 839 613 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5281 8769 848 COGENT-174, US 4538 4886 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4788 317 606 CABLEONE, US 18403 4458 347 25 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 11912 11739 CHINAMOBILE-CN China Mobile Communications Grou 8151 12290 11723 UNINET, MX 12479 7637 7487 UNI2-AS, ES 7545 6136 5523 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4886 4811 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 174 5281 4433 COGENT-174, US 18403 4458 4433 FPT-AS-AP FPT Telecom Company, VN 45899 4380 4325 VNPT-AS-VN VNPT Corp, VN 11492 4788 4182 CABLEONE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 206734 UNALLOCATED 5.175.236.0/24 215120 EVOLUS-IX, AT 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.224.0/24 Origin: 27392 639-DATACENTERS, US 23.147.224.0/24 Transit: 3356 LEVEL3, US 23.147.225.0/24 Origin: 27392 639-DATACENTERS, US 23.147.225.0/24 Transit: 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:41 /11:92 /12:299 /13:581 /14:1208 /15:2168 /16:13875 /17:8467 /18:14288 /19:25291 /20:45429 /21:53087 /22:113247 /23:106006 /24:624819 /25:132 /26:112 /27:101 /28:19 /29:74 /30:8 /31:0 /32:303 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6570 7637 UNI2-AS, ES 8151 6518 12290 UNINET, MX 11492 3582 4788 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3433 3637 SHAW, CA 7155 2829 3871 VIASAT-SP-BACKBONE, US 22773 2489 3337 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2349 13689 AMAZON-02, US 30036 2267 2608 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2199 3512 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2467 2:1595 3:852 4:12 5:4872 6:162 7:6 8:1587 9:1 11:172 12:1341 13:459 14:2625 15:366 16:285 17:381 18:899 20:571 21:4 22:188 23:7733 24:2727 25:2 27:2869 29:19 31:3406 32:39 33:1 34:84 35:260 36:3544 37:4634 38:10567 39:917 40:250 41:4231 42:1968 43:2790 44:375 45:18804 46:5172 47:353 49:1917 50:1939 51:592 52:1555 54:324 55:1109 56:11 57:277 58:2299 59:1322 60:1202 61:3069 62:2918 63:1803 64:5548 65:2180 66:4737 67:3102 68:1092 69:3962 70:1046 71:630 72:2854 74:2802 75:1512 76:608 77:2761 78:1902 79:1730 80:2231 81:2086 82:3172 83:1495 84:1885 85:3463 86:1182 87:2404 88:1316 89:4477 90:775 91:8467 92:2817 93:2957 94:4231 95:4427 96:1488 97:310 98:962 99:697 100:72 101:1457 102:4085 103:32807 104:5276 105:1098 106:982 107:2639 108:1260 109:4243 110:2283 111:3347 112:2252 113:1904 114:1977 115:2307 116:2147 117:2607 118:3017 119:2036 120:2200 121:1410 122:2929 123:2541 124:1770 125:2933 126:91 128:1636 129:981 130:1312 131:2081 132:771 133:450 134:1582 135:350 136:1435 137:1270 138:2891 139:1663 140:1654 141:1539 142:1917 143:1953 144:1188 145:560 146:2196 147:2106 148:2705 149:3021 150:1252 151:2231 152:2081 153:591 154:8031 155:1829 156:3100 157:1940 158:1336 159:2493 160:3636 161:1867 162:3892 163:2252 164:1882 165:2090 166:1513 167:2025 168:4052 169:785 170:5185 171:1015 172:4422 173:3365 174:917 175:1350 176:3729 177:4895 178:3974 179:2366 180:2691 181:4126 182:3527 183:2260 184:2105 185:21655 186:5302 187:4710 188:4284 189:4394 190:9605 191:1529 192:11361 193:9498 194:7934 195:5717 196:3241 197:3160 198:6112 199:8580 200:8297 201:6447 202:10961 203:10917 204:4580 205:3628 206:4526 207:3544 208:4313 209:5153 210:4948 211:2801 212:4610 213:3808 214:1035 215:46 216:6806 217:3336 218:1433 219:603 220:2148 221:1190 222:966 223:2670 End of report