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 17 May, 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: 1005098 Prefixes after maximum aggregation (per Origin AS): 380217 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 479745 Number of IPv4 prefixes with a valid ROA: 555678 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 449401 Total ASes present in the Internet Routing Table: 76932 Prefixes per ASN: 13.06 Origin-only ASes present in the Internet Routing Table: 65870 Origin ASes announcing only one prefix: 26905 Transit ASes present in the Internet Routing Table: 11062 Transit-only ASes present in the Internet Routing Table: 556 Paths with bogon ASNs present in the IPv4 Routing Table: 54 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 156 Max AS path prepend of ASN (153737) 150 Prefixes from unregistered ASNs in the Routing Table: 981 Number of instances of unregistered ASNs: 985 Number of 32-bit ASNs allocated by the RIRs: 46439 Number of 32-bit ASNs visible in the Routing Table: 38259 Prefixes from 32-bit ASNs in the Routing Table: 206000 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 314 Number of addresses announced to Internet: 3114565440 Equivalent to 185 /8s, 164 /16s and 127 /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: 326834 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 270098 Total APNIC prefixes after maximum aggregation: 77903 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 261209 Unique aggregates announced from the APNIC address blocks: 103386 APNIC Region origin ASes present in the Internet Routing Table: 14700 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 4458 APNIC Region transit ASes present in the Internet Routing Table: 1984 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 156 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10150 Number of APNIC addresses announced to Internet: 753923904 Equivalent to 44 /8s, 239 /16s and 247 /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: 293253 Total ARIN prefixes after maximum aggregation: 130845 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 294386 Unique aggregates announced from the ARIN address blocks: 138865 ARIN Region origin ASes present in the Internet Routing Table: 19243 ARIN Prefixes per ASN: 15.30 ARIN Region origin ASes announcing only one prefix: 7042 ARIN Region transit ASes present in the Internet Routing Table: 1990 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: 5208 Number of ARIN addresses announced to Internet: 1352585728 Equivalent to 80 /8s, 158 /16s and 210 /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: 277697 Total RIPE prefixes after maximum aggregation: 134218 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 275820 Unique aggregates announced from the RIPE address blocks: 174485 RIPE Region origin ASes present in the Internet Routing Table: 28930 RIPE Prefixes per ASN: 9.53 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 4006 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: 12444 Number of RIPE addresses announced to Internet: 731053504 Equivalent to 43 /8s, 146 /16s and 253 /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: 126419 Total LACNIC prefixes after maximum aggregation: 29814 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 122085 Unique aggregates announced from the LACNIC address blocks: 48855 LACNIC Region origin ASes present in the Internet Routing Table: 11238 LACNIC Prefixes per ASN: 10.86 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2498 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9183 Number of LACNIC addresses announced to Internet: 171742784 Equivalent to 10 /8s, 60 /16s and 150 /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: 36650 Total AfriNIC prefixes after maximum aggregation: 6820 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 51284 Unique aggregates announced from the AfriNIC address blocks: 13874 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 26.91 AfriNIC Region origin ASes announcing only one prefix: 672 AfriNIC Region transit ASes present in the Internet Routing Table: 376 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 102 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274 Number of AfriNIC addresses announced to Internet: 105087744 Equivalent to 6 /8s, 67 /16s and 131 /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 11082 8915 154 CHINAMOBILE-CN China Mobile Communication 7545 6153 841 643 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4852 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4447 347 25 FPT-AS-AP FPT Telecom Company, VN 45899 4360 1874 55 VNPT-AS-VN VNPT Corp, VN 9498 4284 533 300 BBIL-AP BHARTI Airtel Ltd., IN 7552 3934 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2200 1439 87 TENCENT-NET-AP Shenzhen Tencent Computer 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 13439 40826 5032 AMAZON-02, US 174 5319 8747 884 COGENT-174, US 11492 4727 313 592 CABLEONE, US 7155 3878 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3347 3015 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3243 54815 2494 DNIC-AS-00749, US 396982 3163 3851 415 GOOGLE-CLOUD-PLATFORM, US 16625 3051 1274 2233 AKAMAI-AS, US 36352 2807 229 872 AS-COLOCROSSING, 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 7697 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3992 3395 139 AKAMAI-ASN1, NL 9009 3766 325 1956 M247, RO 12389 3073 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2418 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2391 360 581 TELLCOM-AS, TR 212238 2149 151 1581 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1595 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 12119 3249 582 UNINET, MX 10620 3499 480 1018 Telmex Colombia S.A., CO 13999 2518 540 364 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1196 371 22 Telefonica del Peru S.A.A., PE 22884 1062 68 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1040 373 162 Axtel, S.A.B. de C.V., MX 26615 1028 2503 52 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 1778 632 28 RAYA-AS, EG 24863 1652 389 16 LINKdotNET-AS, EG 29571 1598 102 33 ORANGE-COTE-IVOIRE, CI 36992 1432 1519 280 ETISALAT-MISR, EG 36903 1250 554 97 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1040 523 45 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36914 541 82 3 KENET-AS, KE 15399 538 57 58 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 13439 40826 5032 AMAZON-02, US 8151 12119 3249 582 UNINET, MX 9808 11082 8915 154 CHINAMOBILE-CN China Mobile Communication 12479 7697 1714 148 UNI2-AS, ES 7545 6153 841 643 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5319 8747 884 COGENT-174, US 4538 4852 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4727 313 592 CABLEONE, US 18403 4447 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 8151 12119 11537 UNINET, MX 9808 11082 10928 CHINAMOBILE-CN China Mobile Communications Grou 12479 7697 7549 UNI2-AS, ES 7545 6153 5510 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4852 4777 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5319 4435 COGENT-174, US 18403 4447 4422 FPT-AS-AP FPT Telecom Company, VN 45899 4360 4305 VNPT-AS-VN VNPT Corp, VN 11492 4727 4135 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 46639 UNALLOCATED 8.38.73.0/24 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /9:16 /10:41 /11:92 /12:300 /13:584 /14:1227 /15:2186 /16:14085 /17:8506 /18:14493 /19:25445 /20:45865 /21:53087 /22:113862 /23:105303 /24:619270 /25:115 /26:113 /27:101 /28:17 /29:75 /30:10 /31:0 /32:289 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6613 7697 UNI2-AS, ES 8151 6313 12119 UNINET, MX 11492 3533 4727 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2836 3878 VIASAT-SP-BACKBONE, US 22773 2499 3347 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2329 13439 AMAZON-02, US 30036 2228 2568 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3499 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) ---------------------------------------------- 1:2411 2:1638 3:767 4:13 5:4770 6:162 7:6 8:1617 9:1 11:172 12:1365 13:421 14:2588 15:353 16:282 17:378 18:915 20:534 21:4 22:188 23:7555 24:2801 25:2 27:2825 29:19 31:3337 32:40 33:1 34:84 35:207 36:2916 37:4664 38:10290 39:920 40:169 41:4323 42:2020 43:2686 44:382 45:18795 46:5127 47:321 49:1953 50:1893 51:590 52:1558 54:314 55:1093 56:11 57:259 58:2325 59:1354 60:1195 61:3146 62:2957 63:1818 64:5489 65:2181 66:4685 67:3072 68:1119 69:3936 70:1067 71:634 72:2822 74:2791 75:1621 76:616 77:2710 78:1878 79:1772 80:2242 81:2079 82:3134 83:1471 84:1874 85:3429 86:1166 87:2426 88:1292 89:4391 90:777 91:8368 92:2757 93:2904 94:4166 95:4323 96:1461 97:315 98:980 99:686 100:72 101:1417 102:4095 103:32678 104:5028 105:1192 106:1039 107:2647 108:1223 109:4129 110:2283 111:3347 112:2099 113:1851 114:1985 115:2231 116:2099 117:2604 118:2921 119:2017 120:1995 121:1444 122:2900 123:2501 124:1710 125:2903 126:93 128:1677 129:974 130:1311 131:1993 132:784 133:451 134:1545 135:333 136:1351 137:1259 138:2950 139:1672 140:1611 141:1506 142:1901 143:1754 144:1105 145:506 146:2176 147:2111 148:2699 149:2948 150:1229 151:1912 152:2091 153:565 154:8330 155:1973 156:3309 157:1894 158:1314 159:2452 160:3827 161:1893 162:3756 163:2164 164:1710 165:2207 166:1484 167:1909 168:4345 169:795 170:4966 171:1017 172:4457 173:3291 174:914 175:1333 176:3716 177:4846 178:3639 179:2330 180:2698 181:4093 182:3467 183:2134 184:2096 185:21642 186:5218 187:4506 188:4265 189:4342 190:9592 191:1513 192:11277 193:9517 194:7919 195:5665 196:3302 197:3662 198:6112 199:8500 200:8281 201:6403 202:10851 203:10884 204:4534 205:3622 206:4525 207:3503 208:4299 209:5201 210:4927 211:2751 212:4585 213:3745 214:1027 215:48 216:6747 217:3311 218:1408 219:584 220:2096 221:1087 222:970 223:2404 End of report