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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 20 18:45:22 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 20 Mar, 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:                              996858
    Prefixes after maximum aggregation (per Origin AS):          374460
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475750
    Number of IPv4 prefixes with a valid ROA:                    548659
    Number of IPv4 prefixes with an invalid ROA:                   1695
    Number of IPv4 prefixes with no ROA:                         446504
Total ASes present in the Internet Routing Table:                 76703
    Prefixes per ASN:                                             13.00
Origin-only ASes present in the Internet Routing Table:           65843
Origin ASes announcing only one prefix:                           26483
Transit ASes present in the Internet Routing Table:               10860
Transit-only ASes present in the Internet Routing Table:            532
Paths with bogon ASNs present in the IPv4 Routing Table:             98
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1078
    Number of instances of unregistered ASNs:                      1087
Number of 32-bit ASNs allocated by the RIRs:                      46115
Number of 32-bit ASNs visible in the Routing Table:               38007
Prefixes from 32-bit ASNs in the Routing Table:                  206442
Number of bogon 32-bit ASNs visible in the Routing Table:            48
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            560
Number of addresses announced to Internet:                   3109275904
    Equivalent to 185 /8s, 83 /16s and 201 /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:      329330

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

Prefixes being announced by APNIC Region ASes:                   257916
    Total APNIC prefixes after maximum aggregation:               76200
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249582
    Unique aggregates announced from the APNIC address blocks:   102655
APNIC Region origin ASes present in the Internet Routing Table:   14528
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4413
APNIC Region transit ASes present in the Internet Routing Table:   1925
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10047
Number of APNIC addresses announced to Internet:              749202688
    Equivalent to 44 /8s, 167 /16s and 237 /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:                    291853
    Total ARIN prefixes after maximum aggregation:               128533
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292969
    Unique aggregates announced from the ARIN address blocks:    136685
ARIN Region origin ASes present in the Internet Routing Table:    19207
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7021
ARIN Region transit ASes present in the Internet Routing Table:    1958
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5164
Number of ARIN addresses announced to Internet:              1350438656
    Equivalent to 80 /8s, 126 /16s and 15 /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:                    276333
    Total RIPE prefixes after maximum aggregation:               132901
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274174
    Unique aggregates announced from the RIPE address blocks:    173588
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:               12051
RIPE Region transit ASes present in the Internet Routing Table:    3957
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12351
Number of RIPE addresses announced to Internet:               732519168
    Equivalent to 43 /8s, 169 /16s and 91 /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:                  132334
    Total LACNIC prefixes after maximum aggregation:              29294
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128758
    Unique aggregates announced from the LACNIC address blocks:   48812
LACNIC Region origin ASes present in the Internet Routing Table:  11202
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2336
LACNIC Region transit ASes present in the Internet Routing Table:  2464
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:  9161
Number of LACNIC addresses announced to Internet:             171632896
    Equivalent to 10 /8s, 58 /16s and 233 /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:                  37344
    Total AfriNIC prefixes after maximum aggregation:              6860
    AfriNIC Deaggregation factor:                                  5.44
Prefixes being announced from the AfriNIC address blocks:         50815
    Unique aggregates announced from the AfriNIC address blocks:  13544
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     26.51
AfriNIC Region origin ASes announcing only one prefix:              662
AfriNIC Region transit ASes present in the Internet Routing Table:  385
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105220864
    Equivalent to 6 /8s, 69 /16s and 139 /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       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4367        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4265        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2843        847     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2206       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2167        434     194  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       12952      39644    3978  AMAZON-02, US
   174        5469       8765     953  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3381       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3065       1291    2227  AKAMAI-AS, US
396982        2944       3660     457  GOOGLE-CLOUD-PLATFORM, US
 36352        2562        213     804  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        7756       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3989       3395     128  AKAMAI-ASN1, NL
  9009        3785        326    1961  M247, RO
 12389        3005       2303     890  ROSTELECOM-AS, RU
 34984        2368        360     584  TELLCOM-AS, TR
212238        2050        146    1510  CDNEXT, GB
  8452        1613       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     746  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       11867       3240     584  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2505        538     369  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 11664        1163        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX

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        1703        599      30  RAYA-AS, EG
 24863        1621        389      16  LINKdotNET-AS, EG
 29571        1561        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1293        202     343  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 37069         859       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         562        661     321  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       12952      39644    3978  AMAZON-02, US
  8151       11867       3240     584  UNINET, MX
  9808       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7756       1714     145  UNI2-AS, ES
  7545        6211        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5469       8765     953  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4367        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4265        530     276  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       11867        11283  UNINET, MX
  9808       10325        10237  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7756         7611  UNI2-AS, ES
  7545        6211         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5469         4516  COGENT-174, US
 18403        4367         4342  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4265         3989  BBIL-AP BHARTI Airtel Ltd., IN

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      /12:303     
/13:585     /14:1230    /15:2188    /16:14042   /17:8372    /18:13911   
/19:24825   /20:44350   /21:52541   /22:113383  /23:105404  /24:615558  
/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        6689        7756  UNI2-AS, ES
  8151        6039       11867  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2518        3381  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2337       12952  AMAZON-02, US
 30036        2213        2553  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  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)
----------------------------------------------

   1:2357      2:1524      3:599       4:10        5:4856      6:162    
   7:6         8:1553      9:1        11:172      12:1376     13:346    
  14:2511     15:351      16:279      17:362      18:920      20:469    
  21:4        22:188      23:7368     24:3069     25:2        27:2745   
  29:19       31:3252     32:45       34:83       35:205      36:2402   
  37:4741     38:10180    39:898      40:154      41:4422     42:1985   
  43:2581     44:354      45:19217    46:5042     47:287      49:1996   
  50:1892     51:590      52:1557     54:301      55:1068     56:9      
  57:264      58:2202     59:1326     60:1167     61:3014     62:3001   
  63:1851     64:5527     65:2193     66:4680     67:3043     68:1117   
  69:4005     70:1113     71:623      72:2926     74:2831     75:1660   
  76:613      77:2799     78:1871     79:1737     80:2231     81:2048   
  82:2866     83:1410     84:1818     85:3383     86:1039     87:2417   
  88:1299     89:4335     90:783      91:8400     92:2802     93:2900   
  94:4032     95:4269     96:1425     97:315      98:992      99:738    
 100:71      101:1308    102:4028    103:32429   104:4824    105:1224   
 106:997     107:2596    108:1210    109:4164    110:2230    111:3335   
 112:2044    113:1814    114:1952    115:2205    116:2073    117:2752   
 118:2798    119:1962    120:1879    121:1365    122:2767    123:2325   
 124:1586    125:2890    126:88      128:1587    129:1029    130:1300   
 131:1945    132:788     133:451     134:1528    135:375     136:1284   
 137:1118    138:3060    139:1616    140:1554    141:1487    142:1845   
 143:1669    144:1064    145:486     146:2166    147:2096    148:2616   
 149:2959    150:1261    151:2023    152:2115    153:574     154:8179   
 155:1638    156:3333    157:1913    158:1278    159:2423    160:3634   
 161:1991    162:3723    163:1944    164:1734    165:2228    166:1409   
 167:1905    168:4234    169:801     170:5311    171:1001    172:4479   
 173:3246    174:911     175:1286    176:3733    177:5482    178:3887   
 179:2512    180:2620    181:4171    182:3364    183:2050    184:2302   
 185:21706   186:5429    187:4765    188:4245    189:4370    190:9822   
 191:1949    192:11169   193:9467    194:7842    195:5648    196:3588   
 197:3791    198:6120    199:8414    200:8522    201:6392    202:10488  
 203:10700   204:4528    205:3623    206:4615    207:3458    208:4208   
 209:5184    210:4592    211:2525    212:4553    213:3805    214:1058   
 215:48      216:6634    217:3169    218:1346    219:383     220:2100   
 221:1056    222:716     223:2321   

End of report


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