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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 16 22:46:34 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sun 16 Feb, 2025

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                             1027345
    Prefixes after maximum aggregation (per Origin AS):          376722
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      475167
Total ASes present in the Internet Routing Table:                 76733
    Prefixes per ASN:                                             13.39
Origin-only ASes present in the Internet Routing Table:           66064
Origin ASes announcing only one prefix:                           26261
Transit ASes present in the Internet Routing Table:               10669
Transit-only ASes present in the Internet Routing Table:            529
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.2
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1102
    Number of instances of unregistered ASNs:                      1109
Number of 32-bit ASNs allocated by the RIRs:                      46152
Number of 32-bit ASNs visible in the Routing Table:               37860
Prefixes from 32-bit ASNs in the Routing Table:                  210164
Number of bogon 32-bit ASNs visible in the Routing Table:            72
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            508
Number of addresses announced to Internet:                   3115014309
    Equivalent to 185 /8s, 171 /16s and 88 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      347106

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

Prefixes being announced by APNIC Region ASes:                   265565
    Total APNIC prefixes after maximum aggregation:               76982
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          256929
    Unique aggregates announced from the APNIC address blocks:   102816
APNIC Region origin ASes present in the Internet Routing Table:   14546
    APNIC Prefixes per ASN:                                       17.66
APNIC Region origin ASes announcing only one prefix:               4427
APNIC Region transit ASes present in the Internet Routing Table:   1928
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10009
Number of APNIC addresses announced to Internet:              755821632
    Equivalent to 45 /8s, 12 /16s and 236 /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:                    293512
    Total ARIN prefixes after maximum aggregation:               128921
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           294815
    Unique aggregates announced from the ARIN address blocks:    135184
ARIN Region origin ASes present in the Internet Routing Table:    19238
    ARIN Prefixes per ASN:                                        15.32
ARIN Region origin ASes announcing only one prefix:                7013
ARIN Region transit ASes present in the Internet Routing Table:    1917
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5152
Number of ARIN addresses announced to Internet:              1343539520
    Equivalent to 80 /8s, 20 /16s and 201 /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:                    289582
    Total RIPE prefixes after maximum aggregation:               133830
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           286665
    Unique aggregates announced from the RIPE address blocks:    172422
RIPE Region origin ASes present in the Internet Routing Table:    28904
    RIPE Prefixes per ASN:                                         9.92
RIPE Region origin ASes announcing only one prefix:               12016
RIPE Region transit ASes present in the Internet Routing Table:    3846
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12276
Number of RIPE addresses announced to Internet:               732745253
    Equivalent to 43 /8s, 172 /16s and 206 /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:                  138450
    Total LACNIC prefixes after maximum aggregation:              29363
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135783
    Unique aggregates announced from the LACNIC address blocks:   49070
LACNIC Region origin ASes present in the Internet Routing Table:  11209
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2158
LACNIC Region transit ASes present in the Internet Routing Table:  2458
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9145
Number of LACNIC addresses announced to Internet:             177995520
    Equivalent to 10 /8s, 155 /16s and 255 /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:                  39134
    Total AfriNIC prefixes after maximum aggregation:              6941
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         52643
    Unique aggregates announced from the AfriNIC address blocks:  15261
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.45
AfriNIC Region origin ASes announcing only one prefix:              647
AfriNIC Region transit ASes present in the Internet Routing Table:  358
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet:            104650240
    Equivalent to 6 /8s, 60 /16s and 214 /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       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038       4194      78  ERX-CERNET-BKB China Education and Resear
  9498        4236        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4233        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2833        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12749      38949    3735  AMAZON-02, US
   174        5552       8759     900  COGENT-174, US
 11492        4702        312     561  CABLEONE, US
  7155        4170        286      83  VIASAT-SP-BACKBONE, US
  6327        3623       1320      81  SHAW, CA
 22773        3387       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3049       1309    2212  AKAMAI-AS, US
396982        2925       3659     448  GOOGLE-CLOUD-PLATFORM, US
 30036        2588        359     266  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9672       1285    1316  TTNET, TR
 12479        7763       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4024       3396     143  AKAMAI-ASN1, NL
  9009        3773        324    1924  M247, RO
 12389        2995       2303     894  ROSTELECOM-AS, RU
 34984        2415        364     573  TELLCOM-AS, TR
212238        2009        145    1486  CDNEXT, GB
  8452        1918       1852      14  TE-AS TE-AS, EG
  5384        1799        585      30  EMIRATES-INTERNET Emirates Internet, AE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12027       3248     697  UNINET, MX
 10620        3543        492     950  Telmex Colombia S.A., CO
 13999        2518        539     365  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1592       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 28202        1131         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
  6147        1111        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     374  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1684        601      30  RAYA-AS, EG
 24863        1647        389      16  LINKdotNET-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 29571        1548         98     101  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1288        199     339  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 37069         843       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12749      38949    3735  AMAZON-02, US
  8151       12027       3248     697  UNINET, MX
  9808       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9672       1285    1316  TTNET, TR
 12479        7763       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5552       8759     900  COGENT-174, US
  4538        5038       4194      78  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4702        312     561  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12027        11330  UNINET, MX
  9808       10337        10247  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9672         8356  TTNET, TR
 12479        7763         7618  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038         4960  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5552         4652  COGENT-174, US
 18403        4233         4208  FPT-AS-AP FPT Telecom Company, VN
 11492        4702         4141  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     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

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24            8151  UNINET, MX
172.22.243.0/24            8151  UNINET, MX
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:93      /12:307     
/13:587     /14:1235    /15:2202    /16:14094   /17:8566    /18:14249   
/19:25432   /20:46134   /21:54879   /22:116117  /23:110026  /24:630054  
/25:597     /26:593     /27:1056    /28:78      /29:106     /30:23      
/31:2       /32:840     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 47331        8757        9672  TTNET, TR
 12479        6720        7763  UNI2-AS, ES
  8151        6190       12027  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3623  SHAW, CA
  7155        3119        4170  VIASAT-SP-BACKBONE, US
 22773        2521        3387  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2275       12749  AMAZON-02, US
 30036        2248        2588  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2331      2:1599      3:570       4:25        5:4828      6:165    
   7:6         8:1648      9:1        10:1        11:172      12:1387   
  13:348      14:2546     15:349      16:273      17:361      18:917    
  20:460      21:4        22:188      23:7376     24:2781     25:2      
  27:2769     29:19       31:3213     32:56       34:82       35:205    
  36:2436     37:4737     38:9998     39:897      40:153      41:4790   
  42:1936     43:2582     44:351      45:19867    46:5055     47:294    
  49:1991     50:1896     51:589      52:1602     54:300      55:1083   
  56:9        57:251      58:2321     59:1260     60:1166     61:3102   
  62:3044     63:1847     64:5540     65:2220     66:4724     67:3093   
  68:1123     69:4022     70:1132     71:619      72:2936     74:2815   
  75:1641     76:616      77:2751     78:4231     79:1748     80:2252   
  81:2200     82:2522     83:1454     84:1816     85:4269     86:1029   
  87:2430     88:3424     89:4476     90:760      91:8455     92:2826   
  93:2889     94:3993     95:5428     96:1346     97:317      98:969    
  99:738     100:71      101:1395    102:4306    103:32604   104:4693   
 105:2229    106:994     107:2608    108:1208    109:4138    110:2267   
 111:3398    112:2075    113:1812    114:1959    115:2262    116:2105   
 117:2748    118:2870    119:2014    120:1904    121:1435    122:2892   
 123:2303    124:1683    125:2913    126:94      128:1687    129:1039   
 130:1315    131:2013    132:909     133:450     134:1534    135:371    
 136:1326    137:1169    138:3259    139:1603    140:1564    141:1492   
 142:1877    143:1708    144:1069    145:474     146:2157    147:2068   
 148:2614    149:2929    150:1231    151:1677    152:2138    153:574    
 154:8185    155:1616    156:3586    157:1912    158:1254    159:2427   
 160:3664    161:1937    162:3714    163:1831    164:1746    165:2207   
 166:1364    167:1903    168:4395    169:821     170:5512    171:1007   
 172:4307    173:3259    174:918     175:1289    176:3730    177:6147   
 178:3910    179:2733    180:2639    181:4160    182:3374    183:2036   
 184:2270    185:21758   186:5675    187:4980    188:4352    189:4579   
 190:9914    191:2085    192:11216   193:9410    194:7857    195:5636   
 196:3545    197:3983    198:6235    199:8359    200:8718    201:6563   
 202:10880   203:10805   204:4597    205:3729    206:4698    207:3619   
 208:4211    209:5263    210:4876    211:2637    212:4621    213:3876   
 214:1054    215:42      216:6680    217:3181    218:1393    219:555    
 220:2118    221:1055    222:849     223:2327   

End of report


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