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

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 28 18:44:36 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Wed 28 May, 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:                             1003544
    Prefixes after maximum aggregation (per Origin AS):          379632
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      482028
    Number of IPv4 prefixes with a valid ROA:                    560090
    Number of IPv4 prefixes with an invalid ROA:                    503
    Number of IPv4 prefixes with no ROA:                         442951
Total ASes present in the Internet Routing Table:                 76904
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           65981
Origin ASes announcing only one prefix:                           26600
Transit ASes present in the Internet Routing Table:               10923
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:             84
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:              1079
    Number of instances of unregistered ASNs:                      1080
Number of 32-bit ASNs allocated by the RIRs:                      46523
Number of 32-bit ASNs visible in the Routing Table:               38322
Prefixes from 32-bit ASNs in the Routing Table:                  210057
Number of bogon 32-bit ASNs visible in the Routing Table:            21
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            463
Number of addresses announced to Internet:                   3110038016
    Equivalent to 185 /8s, 95 /16s and 106 /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:      331041

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

Prefixes being announced by APNIC Region ASes:                   259834
    Total APNIC prefixes after maximum aggregation:               77089
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250774
    Unique aggregates announced from the APNIC address blocks:   104328
APNIC Region origin ASes present in the Internet Routing Table:   14587
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4441
APNIC Region transit ASes present in the Internet Routing Table:   1924
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:  10129
Number of APNIC addresses announced to Internet:              748796160
    Equivalent to 44 /8s, 161 /16s and 185 /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:                    293671
    Total ARIN prefixes after maximum aggregation:               131083
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295406
    Unique aggregates announced from the ARIN address blocks:    139502
ARIN Region origin ASes present in the Internet Routing Table:    19231
    ARIN Prefixes per ASN:                                        15.36
ARIN Region origin ASes announcing only one prefix:                7057
ARIN Region transit ASes present in the Internet Routing Table:    1954
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:              1352410624
    Equivalent to 80 /8s, 156 /16s and 38 /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:                    277543
    Total RIPE prefixes after maximum aggregation:               134438
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           275482
    Unique aggregates announced from the RIPE address blocks:    175131
RIPE Region origin ASes present in the Internet Routing Table:    28984
    RIPE Prefixes per ASN:                                         9.50
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    3978
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:   12477
Number of RIPE addresses announced to Internet:               731547136
    Equivalent to 43 /8s, 154 /16s and 134 /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:                  133411
    Total LACNIC prefixes after maximum aggregation:              29577
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128984
    Unique aggregates announced from the LACNIC address blocks:   48964
LACNIC Region origin ASes present in the Internet Routing Table:  11260
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2361
LACNIC Region transit ASes present in the Internet Routing Table:  2516
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:  9209
Number of LACNIC addresses announced to Internet:             171885568
    Equivalent to 10 /8s, 62 /16s and 196 /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:                  38006
    Total AfriNIC prefixes after maximum aggregation:              6792
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         52435
    Unique aggregates announced from the AfriNIC address blocks:  13694
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     27.32
AfriNIC Region origin ASes announcing only one prefix:              659
AfriNIC Region transit ASes present in the Internet Routing Table:  381
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: 1285
Number of AfriNIC addresses announced to Internet:            105186560
    Equivalent to 6 /8s, 69 /16s and 5 /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       11047       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4359        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4286        533     299  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3697       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3276       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2870        853     530  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       13560      40828    5189  AMAZON-02, US
   174        5260       8746     884  COGENT-174, US
 11492        4735        314     586  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3348       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3231      54784    2482  DNIC-AS-00749, US
396982        3172       3853     420  GOOGLE-CLOUD-PLATFORM, US
 16625        3089       1287    2246  AKAMAI-AS, US
 36352        2818        230     853  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     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4020       3395     126  AKAMAI-ASN1, NL
  9009        3913        356    2081  M247, RO
 12389        3073       2306     888  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     580  TELLCOM-AS, TR
212238        2193        156    1622  CDNEXT, GB
  8452        1611       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1424         95     739  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       12143       3254     584  UNINET, MX
 10620        3500        480    1017  Telmex Colombia S.A., CO
 13999        2511        540     365  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1198        371      22  Telefonica del Peru S.A.A., PE
 11664        1190        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1115         52       9  MASTER SA, BR
 22884        1063         68     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        1780        644      27  RAYA-AS, EG
 24863        1654        389      17  LINKdotNET-AS, EG
 29571        1609        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         990        523      47  Vodafone-, EG
 37457         588        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       13560      40828    5189  AMAZON-02, US
  8151       12143       3254     584  UNINET, MX
  9808       11047       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7705       1714     148  UNI2-AS, ES
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5260       8746     884  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4735        314     586  CABLEONE, US
 18403        4359        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4286        533     299  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       12143        11559  UNINET, MX
  9808       11047        10952  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7705         7557  UNI2-AS, ES
  7545        6174         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5260         4376  COGENT-174, US
 18403        4359         4334  FPT-AS-AP FPT Telecom Company, VN
 11492        4735         4149  CABLEONE, US
  9498        4286         3987  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923         3897  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
     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    /15:2184    /16:13966   /17:8335    /18:13871   
/19:24808   /20:44580   /21:52441   /22:113222  /23:106542  /24:621322  
/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        6618        7705  UNI2-AS, ES
  8151        6328       12143  UNINET, MX
 11492        3532        4735  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2498        3348  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2381       13560  AMAZON-02, US
 30036        2233        2574  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3500  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)
----------------------------------------------

   1:2381      2:1517      3:794       4:9         5:5003      6:162    
   7:6         8:1598      9:1        11:172      12:1362     13:438    
  14:2522     15:355      16:285      17:376      18:920      20:549    
  21:4        22:188      23:7579     24:2892     25:2        27:2783   
  29:19       31:3306     32:44       33:1        34:84       35:209    
  36:2972     37:4642     38:10352    39:907      40:170      41:4465   
  42:1941     43:2602     44:386      45:19358    46:5089     47:301    
  49:1948     50:1896     51:591      52:1567     54:320      55:1097   
  56:11       57:272      58:2217     59:1287     60:1168     61:3012   
  62:3018     63:1812     64:5519     65:2197     66:4737     67:3109   
  68:1137     69:4018     70:1082     71:638      72:2937     74:2816   
  75:1528     76:617      77:2808     78:1898     79:1687     80:2225   
  81:2105     82:3107     83:1418     84:1869     85:3420     86:1068   
  87:2387     88:1300     89:4411     90:776      91:8445     92:2728   
  93:2914     94:4074     95:4351     96:1473     97:316      98:978    
  99:689     100:72      101:1429    102:4293    103:32351   104:5060   
 105:1236    106:1033    107:2648    108:1258    109:4079    110:2242   
 111:3292    112:2114    113:1827    114:1985    115:2222    116:2076   
 117:2531    118:2793    119:1920    120:1958    121:1374    122:2790   
 123:2416    124:1599    125:2862    126:91      128:1621    129:1021   
 130:1339    131:2048    132:785     133:451     134:1548    135:379    
 136:1361    137:1132    138:3070    139:1587    140:1599    141:1508   
 142:1930    143:1807    144:1117    145:517     146:2193    147:2113   
 148:2709    149:2948    150:1255    151:1933    152:2105    153:565    
 154:8294    155:2013    156:3282    157:1911    158:1329    159:2469   
 160:3917    161:1892    162:3780    163:2192    164:1761    165:2246   
 166:1488    167:1951    168:4485    169:798     170:5338    171:1007   
 172:4429    173:3327    174:914     175:1303    176:3758    177:5501   
 178:3717    179:2517    180:2662    181:4227    182:3405    183:2109   
 184:2121    185:21768   186:5516    187:4873    188:4257    189:4468   
 190:9806    191:1913    192:11303   193:9502    194:7863    195:5617   
 196:3634    197:3775    198:6129    199:8533    200:8483    201:6454   
 202:10384   203:10713   204:4548    205:3619    206:4492    207:3474   
 208:4269    209:5182    210:4620    211:2530    212:4598    213:3783   
 214:1029    215:48      216:6798    217:3195    218:1365    219:390    
 220:2087    221:1106    222:719     223:2400   

End of report


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