[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jul 28 21:29:27 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Mon 28 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:                             1013437
    Prefixes after maximum aggregation (per Origin AS):          384810
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      488169
    Number of IPv4 prefixes with a valid ROA:                    568277
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         445141
Total ASes present in the Internet Routing Table:                 77198
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           66067
Origin ASes announcing only one prefix:                           26909
Transit ASes present in the Internet Routing Table:               11131
Transit-only ASes present in the Internet Routing Table:            578
Paths with bogon ASNs present in the IPv4 Routing Table:             30
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1094
    Number of instances of unregistered ASNs:                      1128
Number of 32-bit ASNs allocated by the RIRs:                      46959
Number of 32-bit ASNs visible in the Routing Table:               38695
Prefixes from 32-bit ASNs in the Routing Table:                  209768
Number of bogon 32-bit ASNs visible in the Routing Table:            80
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            308
Number of addresses announced to Internet:                   3112809795
    Equivalent to 185 /8s, 137 /16s and 181 /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:      328912

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   274839
    Total APNIC prefixes after maximum aggregation:               78860
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          266044
    Unique aggregates announced from the APNIC address blocks:   105391
APNIC Region origin ASes present in the Internet Routing Table:   14819
    APNIC Prefixes per ASN:                                       17.95
APNIC Region origin ASes announcing only one prefix:               4495
APNIC Region transit ASes present in the Internet Routing Table:   1994
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:  10292
Number of APNIC addresses announced to Internet:              754794304
    Equivalent to 44 /8s, 253 /16s and 63 /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:                    294935
    Total ARIN prefixes after maximum aggregation:               132194
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296180
    Unique aggregates announced from the ARIN address blocks:    141386
ARIN Region origin ASes present in the Internet Routing Table:    19248
    ARIN Prefixes per ASN:                                        15.39
ARIN Region origin ASes announcing only one prefix:                7033
ARIN Region transit ASes present in the Internet Routing Table:    1999
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:    5260
Number of ARIN addresses announced to Internet:              1349362176
    Equivalent to 80 /8s, 109 /16s and 162 /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:                    280537
    Total RIPE prefixes after maximum aggregation:               136418
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           279554
    Unique aggregates announced from the RIPE address blocks:    178029
RIPE Region origin ASes present in the Internet Routing Table:    28985
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12049
RIPE Region transit ASes present in the Internet Routing Table:    4024
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12606
Number of RIPE addresses announced to Internet:               732259523
    Equivalent to 43 /8s, 165 /16s and 100 /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:                  126653
    Total LACNIC prefixes after maximum aggregation:              29778
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         122893
    Unique aggregates announced from the LACNIC address blocks:   49105
LACNIC Region origin ASes present in the Internet Routing Table:  11271
    LACNIC Prefixes per ASN:                                      10.90
LACNIC Region origin ASes announcing only one prefix:              2650
LACNIC Region transit ASes present in the Internet Routing Table:  2525
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9235
Number of LACNIC addresses announced to Internet:             171150400
    Equivalent to 10 /8s, 51 /16s and 140 /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:                  35379
    Total AfriNIC prefixes after maximum aggregation:              6826
    AfriNIC Deaggregation factor:                                  5.18
Prefixes being announced from the AfriNIC address blocks:         48458
    Unique aggregates announced from the AfriNIC address blocks:  14000
AfriNIC Region origin ASes present in the Internet Routing Table:  1936
    AfriNIC Prefixes per ASN:                                     25.03
AfriNIC Region origin ASes announcing only one prefix:              682
AfriNIC Region transit ASes present in the Internet Routing Table:  386
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1302
Number of AfriNIC addresses announced to Internet:            105044480
    Equivalent to 6 /8s, 66 /16s and 218 /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       12211       8921     173  CHINAMOBILE-CN China Mobile Communication
  7545        6125        836     614  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4888       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4527        347      26  FPT-AS-AP FPT Telecom Company, VN
  9498        4464        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4381       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3938       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3687       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        2953        832     220  CMNET-JIANGSU-AP China Mobile communicati
 24560        2911        864     509  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,

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       13688      40976    5282  AMAZON-02, US
   174        5272       8772     864  COGENT-174, US
 11492        4819        319     605  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3339       3013     163  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3223      54766    2474  DNIC-AS-00749, US
396982        3197       3856     433  GOOGLE-CLOUD-PLATFORM, US
 16625        2945       1244    2191  AKAMAI-AS, US
  4155        2882        218    1730  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        7589       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3941       3396     140  AKAMAI-ASN1, NL
  9009        3831        362    2148  M247, RO
 12389        3118       2315     870  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2393        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2316        164    1684  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1583       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       12320       3260     575  UNINET, MX
 10620        3483        474    1028  Telmex Colombia S.A., CO
 13999        2525        511     349  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1373       2435     269  Claro NXT Telecomunicacoes Ltda, BR
  3816        1351        788     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1188        371      22  Telefonica del Peru S.A.A., PE
 11664        1187        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1070         68     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1022        373     162  Axtel, S.A.B. de C.V., MX

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        1709        660      28  RAYA-AS, EG
 29571        1605        102      51  ORANGE-COTE-IVOIRE, CI
 36992        1316       1490     358  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1225        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         866        520      43  Vodafone-, EG
 36914         580         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         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       13688      40976    5282  AMAZON-02, US
  8151       12320       3260     575  UNINET, MX
  9808       12211       8921     173  CHINAMOBILE-CN China Mobile Communication
 12479        7589       1712     148  UNI2-AS, ES
  7545        6125        836     614  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5272       8772     864  COGENT-174, US
  4538        4888       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4819        319     605  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4527        347      26  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       12211        12038  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12320        11745  UNINET, MX
 12479        7589         7441  UNI2-AS, ES
  7545        6125         5511  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4888         4813  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4527         4501  FPT-AS-AP FPT Telecom Company, VN
   174        5272         4408  COGENT-174, US
 45899        4381         4326  VNPT-AS-VN VNPT Corp, VN
 11492        4819         4214  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
     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
     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
23.142.24.0/24       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     
/13:582     /14:1215    /15:2169    /16:13904   /17:8453    /18:14300   
/19:25384   /20:45885   /21:53123   /22:113896  /23:106146  /24:627165  
/25:136     /26:110     /27:101     /28:20      /29:70      /30:10      
/31:0       /32:306     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6539        7589  UNI2-AS, ES
  8151        6538       12320  UNINET, MX
 11492        3611        4819  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2493        3339  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2346       13688  AMAZON-02, US
 30036        2284        2625  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2195        3483  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)
----------------------------------------------

   1:2479      2:1593      3:852       4:12        5:4855      6:163    
   7:6         8:1581      9:1        11:172      12:1339     13:466    
  14:2641     15:367      16:286      17:379      18:899      20:581    
  21:4        22:188      23:7756     24:2729     25:2        27:2864   
  29:19       31:3436     32:39       33:1        34:84       35:261    
  36:3861     37:4600     38:10606    39:950      40:247      41:4346   
  42:2037     43:2810     44:380      45:18888    46:5175     47:354    
  49:1926     50:2015     51:591      52:1555     54:325      55:1112   
  56:11       57:279      58:2294     59:1418     60:1199     61:3072   
  62:3019     63:1797     64:5560     65:2158     66:4770     67:3111   
  68:1073     69:3977     70:1040     71:630      72:2855     74:2821   
  75:1512     76:606      77:2776     78:1900     79:1708     80:2244   
  81:2070     82:3192     83:1491     84:1900     85:3485     86:1185   
  87:2398     88:1314     89:4463     90:777      91:8475     92:2770   
  93:2968     94:4197     95:4427     96:1493     97:310      98:954    
  99:690     100:71      101:1464    102:4063    103:32743   104:5231   
 105:1066    106:979     107:2655    108:1271    109:4256    110:2282   
 111:3399    112:2310    113:1904    114:1984    115:2296    116:2160   
 117:2668    118:3019    119:2048    120:2239    121:1411    122:2929   
 123:2524    124:1797    125:2924    126:91      128:1636    129:986    
 130:1325    131:2079    132:782     133:450     134:1596    135:352    
 136:1457    137:1268    138:2884    139:1666    140:1654    141:1520   
 142:1911    143:1963    144:1183    145:565     146:2201    147:2103   
 148:2727    149:2989    150:1302    151:2248    152:2078    153:590    
 154:7877    155:1851    156:3108    157:1950    158:1346    159:2534   
 160:3608    161:1906    162:3891    163:2259    164:1883    165:2355   
 166:1534    167:2016    168:4046    169:783     170:5170    171:1010   
 172:4231    173:3402    174:918     175:1356    176:3758    177:4987   
 178:3968    179:2375    180:2666    181:4159    182:3558    183:2295   
 184:2100    185:21715   186:5326    187:4756    188:4281    189:4430   
 190:9614    191:1554    192:11364   193:9507    194:7925    195:5729   
 196:3268    197:3200    198:6125    199:8614    200:8388    201:6466   
 202:10984   203:10945   204:4648    205:3627    206:4550    207:3552   
 208:4301    209:5170    210:5032    211:2826    212:4606    213:3831   
 214:1026    215:48      216:6793    217:3378    218:1443    219:603    
 220:2153    221:1206    222:996     223:2764   

End of report


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