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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jun 2 18:44:28 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 02 Jun, 2025

  IPv4 BGP Table (Global) as seen at RENU.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RENU/

Analysis Summary
----------------

BGP routing table entries examined:                             1003977
    Prefixes after maximum aggregation (per Origin AS):          379822
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      482919
    Number of IPv4 prefixes with a valid ROA:                    560418
    Number of IPv4 prefixes with an invalid ROA:                    520
    Number of IPv4 prefixes with no ROA:                         443039
Total ASes present in the Internet Routing Table:                 76917
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           65975
Origin ASes announcing only one prefix:                           26598
Transit ASes present in the Internet Routing Table:               10942
Transit-only ASes present in the Internet Routing Table:            545
Paths with bogon ASNs present in the IPv4 Routing Table:             81
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1070
    Number of instances of unregistered ASNs:                      1071
Number of 32-bit ASNs allocated by the RIRs:                      46555
Number of 32-bit ASNs visible in the Routing Table:               38346
Prefixes from 32-bit ASNs in the Routing Table:                  210105
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            452
Number of addresses announced to Internet:                   3110371072
    Equivalent to 185 /8s, 100 /16s and 127 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      330974

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

Prefixes being announced by APNIC Region ASes:                   259905
    Total APNIC prefixes after maximum aggregation:               77175
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250833
    Unique aggregates announced from the APNIC address blocks:   104278
APNIC Region origin ASes present in the Internet Routing Table:   14595
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4462
APNIC Region transit ASes present in the Internet Routing Table:   1934
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10137
Number of APNIC addresses announced to Internet:              748829184
    Equivalent to 44 /8s, 162 /16s and 58 /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:                    293667
    Total ARIN prefixes after maximum aggregation:               131124
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295445
    Unique aggregates announced from the ARIN address blocks:    139448
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.37
ARIN Region origin ASes announcing only one prefix:                7054
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5222
Number of ARIN addresses announced to Internet:              1352593408
    Equivalent to 80 /8s, 158 /16s and 240 /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:                    277811
    Total RIPE prefixes after maximum aggregation:               134505
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           275823
    Unique aggregates announced from the RIPE address blocks:    175359
RIPE Region origin ASes present in the Internet Routing Table:    28989
    RIPE Prefixes per ASN:                                         9.51
RIPE Region origin ASes announcing only one prefix:               12069
RIPE Region transit ASes present in the Internet Routing Table:    3983
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12485
Number of RIPE addresses announced to Internet:               731643136
    Equivalent to 43 /8s, 155 /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:                  133468
    Total LACNIC prefixes after maximum aggregation:              29574
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128928
    Unique aggregates announced from the LACNIC address blocks:   48961
LACNIC Region origin ASes present in the Internet Routing Table:  11268
    LACNIC Prefixes per ASN:                                      11.44
LACNIC Region origin ASes announcing only one prefix:              2352
LACNIC Region transit ASes present in the Internet Routing Table:  2518
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9216
Number of LACNIC addresses announced to Internet:             171897088
    Equivalent to 10 /8s, 62 /16s and 241 /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:                  38056
    Total AfriNIC prefixes after maximum aggregation:              6796
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         52496
    Unique aggregates announced from the AfriNIC address blocks:  14469
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     27.33
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  380
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet:            105208576
    Equivalent to 6 /8s, 69 /16s and 91 /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       11063       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4315        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4302        534     303  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3914       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3697       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3277       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2878        854     528  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2165        434     192  TATACOMM-AS TATA Communications formerly 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13563      40826    5184  AMAZON-02, US
   174        5262       8747     892  COGENT-174, US
 11492        4735        314     586  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3629       1320      81  SHAW, CA
 22773        3349       3033     170  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3231      54784    2482  DNIC-AS-00749, US
396982        3177       3853     421  GOOGLE-CLOUD-PLATFORM, US
 16625        3093       1292    2252  AKAMAI-AS, US
 36352        2815        230     854  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7710       1714     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4025       3395     126  AKAMAI-ASN1, NL
  9009        3916        358    2086  M247, RO
 12389        3073       2306     888  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     580  TELLCOM-AS, TR
212238        2224        161    1637  CDNEXT, GB
  8452        1612       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1425         95     740  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12196       3254     583  UNINET, MX
 10620        3499        480    1017  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1361       2436     266  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1199        371      22  Telefonica del Peru S.A.A., PE
 11664        1190        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1113         52       9  MASTER SA, BR
262287        1073         83     232  Latitude.sh LTDA, BR

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1780        644      27  RAYA-AS, EG
 24863        1653        389      17  LINKdotNET-AS, EG
 29571        1611        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1250        554      97  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1050        520      44  Vodafone-, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  IS, ZA

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13563      40826    5184  AMAZON-02, US
  8151       12196       3254     583  UNINET, MX
  9808       11063       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7710       1714     148  UNI2-AS, ES
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5262       8747     892  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4735        314     586  CABLEONE, US
 18403        4315        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4302        534     303  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12196        11613  UNINET, MX
  9808       11063        10968  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7710         7562  UNI2-AS, ES
  7545        6174         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5262         4370  COGENT-174, US
 18403        4315         4290  FPT-AS-AP FPT Telecom Company, VN
 11492        4735         4149  CABLEONE, US
  9498        4302         3999  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4025         3899  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/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/RENU/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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

Complete listing at https://bgp.nsrc.org/REN/RENU/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      /12:299     
/13:583     /14:1226    /15:2185    /16:13971   /17:8338    /18:13876   
/19:24786   /20:44587   /21:52524   /22:113389  /23:106532  /24:621516  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6626        7710  UNI2-AS, ES
  8151        6369       12196  UNINET, MX
 11492        3532        4735  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3426        3629  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2497        3349  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2374       13563  AMAZON-02, US
 30036        2233        2574  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3499  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2350      2:1518      3:801       4:9         5:4986      6:162    
   7:6         8:1596      9:1        11:172      12:1357     13:428    
  14:2522     15:359      16:285      17:376      18:919      20:549    
  21:4        22:188      23:7585     24:2892     25:2        27:2784   
  29:19       31:3300     32:44       33:1        34:84       35:214    
  36:3020     37:4625     38:10389    39:909      40:170      41:4463   
  42:1939     43:2615     44:381      45:19359    46:5101     47:318    
  49:1949     50:1892     51:592      52:1571     54:322      55:1098   
  56:11       57:272      58:2214     59:1289     60:1167     61:3011   
  62:3028     63:1815     64:5490     65:2196     66:4752     67:3103   
  68:1132     69:4031     70:1080     71:637      72:2936     74:2816   
  75:1526     76:617      77:2806     78:1897     79:1702     80:2225   
  81:2089     82:3114     83:1454     84:1867     85:3424     86:1069   
  87:2393     88:1308     89:4403     90:774      91:8454     92:2723   
  93:2919     94:4060     95:4359     96:1472     97:316      98:978    
  99:689     100:72      101:1428    102:4292    103:32343   104:5075   
 105:1231    106:1034    107:2651    108:1259    109:4118    110:2239   
 111:3278    112:2115    113:1810    114:1984    115:2156    116:2091   
 117:2529    118:2798    119:1919    120:1968    121:1376    122:2792   
 123:2420    124:1601    125:2870    126:91      128:1610    129:1026   
 130:1333    131:2059    132:785     133:449     134:1552    135:380    
 136:1362    137:1135    138:3050    139:1593    140:1599    141:1507   
 142:1929    143:1822    144:1137    145:515     146:2198    147:2112   
 148:2693    149:2948    150:1256    151:1952    152:2107    153:568    
 154:8273    155:2013    156:3348    157:1910    158:1329    159:2476   
 160:3932    161:1890    162:3789    163:2201    164:1800    165:2244   
 166:1491    167:1956    168:4488    169:803     170:5341    171:1002   
 172:4433    173:3322    174:918     175:1299    176:3758    177:5403   
 178:3722    179:2461    180:2662    181:4256    182:3447    183:2117   
 184:2122    185:21761   186:5531    187:4817    188:4254    189:4459   
 190:9887    191:1923    192:11289   193:9505    194:7874    195:5617   
 196:3633    197:3740    198:6125    199:8540    200:8523    201:6466   
 202:10353   203:10712   204:4547    205:3612    206:4469    207:3495   
 208:4244    209:5170    210:4640    211:2531    212:4608    213:3788   
 214:1036    215:48      216:6791    217:3196    218:1364    219:390    
 220:2081    221:1106    222:719     223:2405   

End of report


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