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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Apr 20 18:45:18 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sun 20 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:                              998226
    Prefixes after maximum aggregation (per Origin AS):          376131
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      477890
    Number of IPv4 prefixes with a valid ROA:                    551292
    Number of IPv4 prefixes with an invalid ROA:                    513
    Number of IPv4 prefixes with no ROA:                         446421
Total ASes present in the Internet Routing Table:                 76839
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65968
Origin ASes announcing only one prefix:                           26557
Transit ASes present in the Internet Routing Table:               10871
Transit-only ASes present in the Internet Routing Table:            537
Paths with bogon ASNs present in the IPv4 Routing Table:             90
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     128
    Max AS path prepend of ASN ( 37447)                             125
Prefixes from unregistered ASNs in the Routing Table:              1100
    Number of instances of unregistered ASNs:                      1105
Number of 32-bit ASNs allocated by the RIRs:                      46256
Number of 32-bit ASNs visible in the Routing Table:               38186
Prefixes from 32-bit ASNs in the Routing Table:                  207227
Number of bogon 32-bit ASNs visible in the Routing Table:            30
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            484
Number of addresses announced to Internet:                   3107053824
    Equivalent to 185 /8s, 49 /16s and 225 /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:      330109

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

Prefixes being announced by APNIC Region ASes:                   257872
    Total APNIC prefixes after maximum aggregation:               76432
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249509
    Unique aggregates announced from the APNIC address blocks:   102936
APNIC Region origin ASes present in the Internet Routing Table:   14588
    APNIC Prefixes per ASN:                                       17.10
APNIC Region origin ASes announcing only one prefix:               4440
APNIC Region transit ASes present in the Internet Routing Table:   1939
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:  10108
Number of APNIC addresses announced to Internet:              748393728
    Equivalent to 44 /8s, 155 /16s and 149 /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:                    292354
    Total ARIN prefixes after maximum aggregation:               129285
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           293613
    Unique aggregates announced from the ARIN address blocks:    137838
ARIN Region origin ASes present in the Internet Routing Table:    19227
    ARIN Prefixes per ASN:                                        15.27
ARIN Region origin ASes announcing only one prefix:                7034
ARIN Region transit ASes present in the Internet Routing Table:    1942
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:    5188
Number of ARIN addresses announced to Internet:              1349367040
    Equivalent to 80 /8s, 109 /16s and 181 /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:                    276696
    Total RIPE prefixes after maximum aggregation:               133554
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274350
    Unique aggregates announced from the RIPE address blocks:    174017
RIPE Region origin ASes present in the Internet Routing Table:    28945
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12047
RIPE Region transit ASes present in the Internet Routing Table:    3944
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:   12416
Number of RIPE addresses announced to Internet:               731954688
    Equivalent to 43 /8s, 160 /16s and 190 /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:                  132390
    Total LACNIC prefixes after maximum aggregation:              29359
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128887
    Unique aggregates announced from the LACNIC address blocks:   48876
LACNIC Region origin ASes present in the Internet Routing Table:  11241
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2379
LACNIC Region transit ASes present in the Internet Routing Table:  2476
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:  9188
Number of LACNIC addresses announced to Internet:             171785216
    Equivalent to 10 /8s, 61 /16s and 60 /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:                  37814
    Total AfriNIC prefixes after maximum aggregation:              6840
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         51383
    Unique aggregates announced from the AfriNIC address blocks:  13814
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.78
AfriNIC Region origin ASes announcing only one prefix:              657
AfriNIC Region transit ASes present in the Internet Routing Table:  383
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                      128
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet:            105324544
    Equivalent to 6 /8s, 71 /16s and 32 /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       10344       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4261        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     271  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3924       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2856        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2176      11524     637  KIXS-AS-KR Korea Telecom, KR
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13232      39710    4099  AMAZON-02, US
   174        5380       8760     929  COGENT-174, US
 11492        4694        311     587  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3398       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3070       1286    2241  AKAMAI-AS, US
396982        2957       3650     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2710        222     831  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        7703       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4002       3395     128  AKAMAI-ASN1, NL
  9009        3780        326    1964  M247, RO
 12389        3069       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2363        360     585  TELLCOM-AS, TR
212238        2096        148    1541  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1444         95     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       11981       3243     591  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2511        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1189        371      22  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1112         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1053         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        1743        607      31  RAYA-AS, EG
 24863        1647        389      16  LINKdotNET-AS, EG
 29571        1588        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 20011        1296        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 37069         932       1099      15  MOBINIL, 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       13232      39710    4099  AMAZON-02, US
  8151       11981       3243     591  UNINET, MX
  9808       10344       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7703       1714     145  UNI2-AS, ES
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5380       8760     929  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4694        311     587  CABLEONE, US
 18403        4261        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     271  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       11981        11390  UNINET, MX
  9808       10344        10256  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7703         7558  UNI2-AS, ES
  7545        6211         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5380         4451  COGENT-174, US
 18403        4261         4236  FPT-AS-AP FPT Telecom Company, VN
 11492        4694         4107  CABLEONE, US
  9498        4223         3952  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3924         3898  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      /12:300     
/13:584     /14:1230    /15:2180    /16:13999   /17:8361    /18:13924   
/19:24796   /20:44314   /21:52572   /22:113407  /23:105827  /24:616566  
/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        6624        7703  UNI2-AS, ES
  8151        6166       11981  UNINET, MX
 11492        3531        4694  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2535        3398  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2355       13232  AMAZON-02, US
 30036        2218        2558  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  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)
----------------------------------------------

   1:2346      2:1531      3:618       4:10        5:4920      6:163    
   7:6         8:1559      9:1        11:172      12:1370     13:354    
  14:2515     15:352      16:283      17:367      18:924      20:519    
  21:4        22:188      23:7471     24:2895     25:2        27:2765   
  29:19       31:3269     32:44       34:84       35:203      36:2402   
  37:4688     38:10116    39:905      40:166      41:4456     42:1917   
  43:2583     44:378      45:19232    46:5037     47:290      49:1927   
  50:1903     51:591      52:1556     54:300      55:1008     56:11     
  57:265      58:2207     59:1285     60:1171     61:2994     62:3004   
  63:1839     64:5542     65:2205     66:4704     67:3107     68:1125   
  69:4014     70:1066     71:624      72:2923     74:2817     75:1606   
  76:613      77:2845     78:1885     79:1750     80:2215     81:2062   
  82:3188     83:1433     84:1854     85:3414     86:1051     87:2407   
  88:1295     89:4307     90:785      91:8404     92:2787     93:2901   
  94:4089     95:4366     96:1451     97:313      98:996      99:643    
 100:72      101:1404    102:4156    103:32328   104:4827    105:1230   
 106:983     107:2617    108:1212    109:4129    110:2228    111:3356   
 112:2049    113:1814    114:1973    115:2244    116:2072    117:2738   
 118:2825    119:1959    120:1878    121:1368    122:2774    123:2400   
 124:1585    125:2863    126:91      128:1587    129:1023    130:1303   
 131:1987    132:788     133:451     134:1535    135:377     136:1311   
 137:1114    138:3064    139:1608    140:1584    141:1489    142:1928   
 143:1661    144:1065    145:519     146:2161    147:2113    148:2672   
 149:2989    150:1252    151:1746    152:2119    153:568     154:8284   
 155:1641    156:3200    157:1891    158:1290    159:2437    160:3661   
 161:1917    162:3762    163:2092    164:1732    165:2227    166:1443   
 167:1907    168:4236    169:800     170:5309    171:1003    172:4488   
 173:3264    174:904     175:1298    176:3731    177:5473    178:3812   
 179:2450    180:2630    181:4202    182:3367    183:2026    184:2147   
 185:21702   186:5475    187:4801    188:4216    189:4429    190:9856   
 191:1948    192:11249   193:9474    194:7834    195:5618    196:3657   
 197:3824    198:6116    199:8467    200:8527    201:6407    202:10472  
 203:10691   204:4532    205:3653    206:4614    207:3457    208:4217   
 209:5177    210:4598    211:2527    212:4563    213:3817    214:1026   
 215:48      216:6684    217:3191    218:1351    219:385     220:2083   
 221:1059    222:712     223:2324   

End of report


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