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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 8 18:45:26 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Tue 08 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:                              996466
    Prefixes after maximum aggregation (per Origin AS):          375305
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476712
    Number of IPv4 prefixes with a valid ROA:                    550389
    Number of IPv4 prefixes with an invalid ROA:                    425
    Number of IPv4 prefixes with no ROA:                         445652
Total ASes present in the Internet Routing Table:                 76753
    Prefixes per ASN:                                             12.98
Origin-only ASes present in the Internet Routing Table:           65842
Origin ASes announcing only one prefix:                           26549
Transit ASes present in the Internet Routing Table:               10911
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             75
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:              1068
    Number of instances of unregistered ASNs:                      1072
Number of 32-bit ASNs allocated by the RIRs:                      46152
Number of 32-bit ASNs visible in the Routing Table:               38089
Prefixes from 32-bit ASNs in the Routing Table:                  206877
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:            488
Number of addresses announced to Internet:                   3107019776
    Equivalent to 185 /8s, 49 /16s and 92 /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:      329719

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

Prefixes being announced by APNIC Region ASes:                   257538
    Total APNIC prefixes after maximum aggregation:               76316
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249192
    Unique aggregates announced from the APNIC address blocks:   102754
APNIC Region origin ASes present in the Internet Routing Table:   14542
    APNIC Prefixes per ASN:                                       17.14
APNIC Region origin ASes announcing only one prefix:               4442
APNIC Region transit ASes present in the Internet Routing Table:   1938
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:  10065
Number of APNIC addresses announced to Internet:              748623360
    Equivalent to 44 /8s, 159 /16s and 22 /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:                    291250
    Total ARIN prefixes after maximum aggregation:               128842
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           292661
    Unique aggregates announced from the ARIN address blocks:    137226
ARIN Region origin ASes present in the Internet Routing Table:    19221
    ARIN Prefixes per ASN:                                        15.23
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1948
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:    5173
Number of ARIN addresses announced to Internet:              1349481984
    Equivalent to 80 /8s, 111 /16s and 118 /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:                    276654
    Total RIPE prefixes after maximum aggregation:               133326
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274175
    Unique aggregates announced from the RIPE address blocks:    173837
RIPE Region origin ASes present in the Internet Routing Table:    28928
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3964
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:   12388
Number of RIPE addresses announced to Internet:               731693568
    Equivalent to 43 /8s, 156 /16s and 194 /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:                  132280
    Total LACNIC prefixes after maximum aggregation:              29320
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128809
    Unique aggregates announced from the LACNIC address blocks:   48842
LACNIC Region origin ASes present in the Internet Routing Table:  11230
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2369
LACNIC Region transit ASes present in the Internet Routing Table:  2478
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:  9181
Number of LACNIC addresses announced to Internet:             171604480
    Equivalent to 10 /8s, 58 /16s and 122 /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:                  37676
    Total AfriNIC prefixes after maximum aggregation:              6836
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51141
    Unique aggregates announced from the AfriNIC address blocks:  13630
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     26.72
AfriNIC Region origin ASes announcing only one prefix:              654
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:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105371392
    Equivalent to 6 /8s, 71 /16s and 215 /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        6212        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4239        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3900       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3677       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3263       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2847        849     536  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       12986      39641    3932  AMAZON-02, US
   174        5466       8766     955  COGENT-174, US
 11492        4687        311     584  CABLEONE, US
  7155        3828        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3401       3034     184  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3083       1296    2253  AKAMAI-AS, US
396982        2949       3649     466  GOOGLE-CLOUD-PLATFORM, US
 36352        2624        216     803  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        7717       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3990       3395     128  AKAMAI-ASN1, NL
  9009        3769        325    1959  M247, RO
 12389        3074       2303     889  ROSTELECOM-AS, RU
 34984        2365        360     582  TELLCOM-AS, TR
212238        2080        148    1531  CDNEXT, GB
  8452        1620       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     748  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       11955       3244     585  UNINET, MX
 10620        3536        487     974  Telmex Colombia S.A., CO
 13999        2509        539     364  Mega Cable, S.A. de C.V., MX
 11830        1985        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        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1176        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        1703        599      30  RAYA-AS, EG
 24863        1640        389      16  LINKdotNET-AS, EG
 29571        1567        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1245        552     103  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 37069         932       1099      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       12986      39641    3932  AMAZON-02, US
  8151       11955       3244     585  UNINET, MX
  9808       10306       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7717       1714     145  UNI2-AS, ES
  7545        6212        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5466       8766     955  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4687        311     584  CABLEONE, US
 18403        4239        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        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       11955        11370  UNINET, MX
  9808       10306        10218  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7717         7572  UNI2-AS, ES
  7545        6212         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5466         4511  COGENT-174, US
 18403        4239         4214  FPT-AS-AP FPT Telecom Company, VN
 11492        4687         4103  CABLEONE, US
  9498        4220         3946  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3900         3874  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
23.137.20.0/24       Origin:     34437  COVERTHART-AS-34437, US
23.137.20.0/24      Transit:       174  COGENT-174, 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

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     
/13:583     /14:1230    /15:2184    /16:14002   /17:8351    /18:13917   
/19:24791   /20:44307   /21:52508   /22:113376  /23:105552  /24:615198  
/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        6642        7717  UNI2-AS, ES
  8151        6135       11955  UNINET, MX
 11492        3531        4687  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2787        3828  VIASAT-SP-BACKBONE, US
 22773        2537        3401  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2327       12986  AMAZON-02, US
 30036        2201        2541  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)
----------------------------------------------

   1:2348      2:1536      3:611       4:10        5:4903      6:163    
   7:6         8:1551      9:1        11:172      12:1372     13:351    
  14:2506     15:352      16:280      17:362      18:921      20:484    
  21:4        22:188      23:7378     24:2879     25:2        27:2732   
  29:19       31:3269     32:45       34:84       35:204      36:2403   
  37:4699     38:10163    39:899      40:154      41:4445     42:1905   
  43:2578     44:366      45:19219    46:4992     47:289      49:1931   
  50:1904     51:590      52:1551     54:300      55:878      56:11     
  57:259      58:2207     59:1282     60:1171     61:2998     62:3004   
  63:1847     64:5529     65:2193     66:4710     67:3098     68:1105   
  69:4021     70:1072     71:623      72:2927     74:2824     75:1611   
  76:611      77:2815     78:1883     79:1737     80:2213     81:2041   
  82:3121     83:1427     84:1854     85:3398     86:1043     87:2418   
  88:1302     89:4337     90:778      91:8390     92:2800     93:2885   
  94:4069     95:4315     96:1438     97:312      98:998      99:641    
 100:70      101:1405    102:4097    103:32293   104:4811    105:1231   
 106:987     107:2609    108:1201    109:4140    110:2226    111:3354   
 112:2044    113:1823    114:1972    115:2252    116:2072    117:2736   
 118:2816    119:1962    120:1875    121:1367    122:2773    123:2404   
 124:1586    125:2859    126:91      128:1593    129:1025    130:1297   
 131:1955    132:782     133:451     134:1529    135:378     136:1314   
 137:1123    138:3067    139:1610    140:1563    141:1481    142:1860   
 143:1669    144:1056    145:520     146:2170    147:2102    148:2659   
 149:2967    150:1255    151:1740    152:2118    153:573     154:8146   
 155:1657    156:3209    157:1895    158:1277    159:2428    160:3612   
 161:1902    162:3735    163:2001    164:1732    165:2233    166:1440   
 167:1903    168:4232    169:800     170:5304    171:1003    172:4475   
 173:3245    174:910     175:1294    176:3741    177:5426    178:3854   
 179:2454    180:2621    181:4208    182:3371    183:2015    184:2149   
 185:21711   186:5507    187:4830    188:4215    189:4419    190:9853   
 191:1945    192:11196   193:9460    194:7852    195:5624    196:3653   
 197:3902    198:6110    199:8453    200:8518    201:6382    202:10449  
 203:10669   204:4536    205:3655    206:4608    207:3456    208:4217   
 209:5181    210:4580    211:2529    212:4540    213:3822    214:1051   
 215:48      216:6649    217:3169    218:1347    219:385     220:2082   
 221:1068    222:709     223:2316   

End of report


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