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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 10 18:45:49 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 10 Apr, 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:                              996625
    Prefixes after maximum aggregation (per Origin AS):          375517
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      477068
    Number of IPv4 prefixes with a valid ROA:                    551066
    Number of IPv4 prefixes with an invalid ROA:                    478
    Number of IPv4 prefixes with no ROA:                         445081
Total ASes present in the Internet Routing Table:                 76770
    Prefixes per ASN:                                             12.98
Origin-only ASes present in the Internet Routing Table:           65859
Origin ASes announcing only one prefix:                           26551
Transit ASes present in the Internet Routing Table:               10911
Transit-only ASes present in the Internet Routing Table:            536
Paths with bogon ASNs present in the IPv4 Routing Table:             77
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (135823)                              50
Prefixes from unregistered ASNs in the Routing Table:              1125
    Number of instances of unregistered ASNs:                      1129
Number of 32-bit ASNs allocated by the RIRs:                      46164
Number of 32-bit ASNs visible in the Routing Table:               38117
Prefixes from 32-bit ASNs in the Routing Table:                  206755
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            482
Number of addresses announced to Internet:                   3106901248
    Equivalent to 185 /8s, 47 /16s and 141 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      329747

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

Prefixes being announced by APNIC Region ASes:                   257567
    Total APNIC prefixes after maximum aggregation:               76328
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249286
    Unique aggregates announced from the APNIC address blocks:   102796
APNIC Region origin ASes present in the Internet Routing Table:   14555
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4441
APNIC Region transit ASes present in the Internet Routing Table:   1935
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10077
Number of APNIC addresses announced to Internet:              748452864
    Equivalent to 44 /8s, 156 /16s and 124 /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:                    291399
    Total ARIN prefixes after maximum aggregation:               128987
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           292800
    Unique aggregates announced from the ARIN address blocks:    137443
ARIN Region origin ASes present in the Internet Routing Table:    19216
    ARIN Prefixes per ASN:                                        15.24
ARIN Region origin ASes announcing only one prefix:                7030
ARIN Region transit ASes present in the Internet Routing Table:    1947
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5180
Number of ARIN addresses announced to Internet:              1349695744
    Equivalent to 80 /8s, 114 /16s and 185 /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:                    276610
    Total RIPE prefixes after maximum aggregation:               133370
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274153
    Unique aggregates announced from the RIPE address blocks:    173763
RIPE Region origin ASes present in the Internet Routing Table:    28924
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12037
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12394
Number of RIPE addresses announced to Internet:               731400960
    Equivalent to 43 /8s, 152 /16s and 75 /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:                  132224
    Total LACNIC prefixes after maximum aggregation:              29319
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128770
    Unique aggregates announced from the LACNIC address blocks:   48852
LACNIC Region origin ASes present in the Internet Routing Table:  11235
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2387
LACNIC Region transit ASes present in the Internet Routing Table:  2484
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:  9184
Number of LACNIC addresses announced to Internet:             171792128
    Equivalent to 10 /8s, 61 /16s and 87 /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:                  37700
    Total AfriNIC prefixes after maximum aggregation:              6831
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         51134
    Unique aggregates announced from the AfriNIC address blocks:  13793
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     26.70
AfriNIC Region origin ASes announcing only one prefix:              656
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:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105316096
    Equivalent to 6 /8s, 70 /16s and 255 /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       10306       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     651  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4242        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4226        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3676       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2852        849     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2163      11521     628  KIXS-AS-KR Korea Telecom, KR

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       13139      39687    4093  AMAZON-02, US
   174        5464       8766     959  COGENT-174, US
 11492        4693        311     586  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3401       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3048       1280    2234  AKAMAI-AS, US
396982        2951       3649     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2632        217     801  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        7705       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3981       3395     128  AKAMAI-ASN1, NL
  9009        3768        325    1958  M247, RO
 12389        3068       2303     888  ROSTELECOM-AS, RU
 34984        2363        360     581  TELLCOM-AS, TR
212238        2083        148    1533  CDNEXT, GB
  8452        1630       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  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       11971       3244     585  UNINET, MX
 10620        3536        487     974  Telmex Colombia S.A., CO
 13999        2512        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 11664        1172        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1051         67     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1702        599      30  RAYA-AS, EG
 24863        1643        389      16  LINKdotNET-AS, EG
 29571        1580        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     287  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1028        523      45  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  6713         561       1861      35  IAM-AS, MA

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       13139      39687    4093  AMAZON-02, US
  8151       11971       3244     585  UNINET, MX
  9808       10306       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7705       1714     145  UNI2-AS, ES
  7545        6208        843     651  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5464       8766     959  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US
 18403        4242        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4226        530     274  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       11971        11386  UNINET, MX
  9808       10306        10218  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7705         7560  UNI2-AS, ES
  7545        6208         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5464         4505  COGENT-174, US
 18403        4242         4217  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4107  CABLEONE, US
  9498        4226         3952  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922         3896  VIETEL-AS-AP Viettel Group, VN

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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     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

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
23.152.48.0/24       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/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      /11:93      /12:301     
/13:584     /14:1230    /15:2184    /16:14000   /17:8354    /18:13921   
/19:24802   /20:44304   /21:52535   /22:113357  /23:105566  /24:615321  
/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        6627        7705  UNI2-AS, ES
  8151        6151       11971  UNINET, MX
 11492        3531        4693  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2538        3401  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2325       13139  AMAZON-02, US
 30036        2212        2552  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2198        3536  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)
----------------------------------------------

   1:2351      2:1531      3:612       4:10        5:4896      6:163    
   7:6         8:1550      9:1        11:172      12:1372     13:353    
  14:2509     15:352      16:280      17:364      18:921      20:486    
  21:4        22:188      23:7383     24:2895     25:2        27:2738   
  29:19       31:3282     32:45       34:84       35:204      36:2404   
  37:4686     38:10178    39:897      40:160      41:4453     42:1905   
  43:2591     44:366      45:19183    46:5005     47:287      49:1931   
  50:1905     51:591      52:1550     54:300      55:741      56:11     
  57:260      58:2208     59:1290     60:1171     61:3001     62:3002   
  63:1845     64:5532     65:2193     66:4711     67:3100     68:1118   
  69:4019     70:1070     71:625      72:2922     74:2823     75:1608   
  76:611      77:2849     78:1882     79:1743     80:2216     81:2050   
  82:3124     83:1426     84:1852     85:3408     86:1041     87:2415   
  88:1299     89:4332     90:776      91:8403     92:2793     93:2904   
  94:4082     95:4317     96:1444     97:312      98:998      99:643    
 100:70      101:1402    102:4115    103:32317   104:4773    105:1231   
 106:988     107:2616    108:1206    109:4139    110:2230    111:3356   
 112:2044    113:1823    114:1972    115:2253    116:2074    117:2734   
 118:2819    119:1958    120:1875    121:1367    122:2772    123:2407   
 124:1587    125:2862    126:91      128:1589    129:1028    130:1297   
 131:1960    132:784     133:451     134:1527    135:378     136:1312   
 137:1110    138:3063    139:1611    140:1560    141:1483    142:1868   
 143:1658    144:1060    145:520     146:2168    147:2106    148:2660   
 149:2968    150:1255    151:1740    152:2117    153:572     154:8134   
 155:1662    156:3200    157:1892    158:1270    159:2441    160:3643   
 161:1909    162:3735    163:2024    164:1730    165:2234    166:1446   
 167:1898    168:4238    169:800     170:5307    171:1001    172:4472   
 173:3254    174:910     175:1294    176:3744    177:5469    178:3857   
 179:2477    180:2630    181:4173    182:3370    183:2017    184:2147   
 185:21703   186:5490    187:4803    188:4209    189:4421    190:9854   
 191:1933    192:11212   193:9469    194:7852    195:5627    196:3661   
 197:3820    198:6119    199:8469    200:8517    201:6402    202:10454  
 203:10669   204:4537    205:3662    206:4612    207:3458    208:4220   
 209:5177    210:4589    211:2527    212:4546    213:3819    214:1052   
 215:48      216:6658    217:3175    218:1350    219:385     220:2084   
 221:1071    222:710     223:2318   

End of report


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