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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Feb 17 22:46:37 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Mon 17 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:                             1027608
    Prefixes after maximum aggregation (per Origin AS):          376863
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      475295
Total ASes present in the Internet Routing Table:                 76756
    Prefixes per ASN:                                             13.39
Origin-only ASes present in the Internet Routing Table:           66069
Origin ASes announcing only one prefix:                           26265
Transit ASes present in the Internet Routing Table:               10687
Transit-only ASes present in the Internet Routing Table:            533
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:              1099
    Number of instances of unregistered ASNs:                      1106
Number of 32-bit ASNs allocated by the RIRs:                      46152
Number of 32-bit ASNs visible in the Routing Table:               37879
Prefixes from 32-bit ASNs in the Routing Table:                  210236
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                    6
Prefixes being announced from unallocated address space:            521
Number of addresses announced to Internet:                   3115644581
    Equivalent to 185 /8s, 180 /16s and 246 /24s
    Percentage of available address space announced:               84.2
    Percentage of allocated address space announced:               84.2
    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:      347208

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

Prefixes being announced by APNIC Region ASes:                   265543
    Total APNIC prefixes after maximum aggregation:               76971
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          256975
    Unique aggregates announced from the APNIC address blocks:   102856
APNIC Region origin ASes present in the Internet Routing Table:   14554
    APNIC Prefixes per ASN:                                       17.66
APNIC Region origin ASes announcing only one prefix:               4433
APNIC Region transit ASes present in the Internet Routing Table:   1931
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:  10017
Number of APNIC addresses announced to Internet:              755866688
    Equivalent to 45 /8s, 13 /16s and 156 /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:                    293796
    Total ARIN prefixes after maximum aggregation:               128980
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           294929
    Unique aggregates announced from the ARIN address blocks:    135235
ARIN Region origin ASes present in the Internet Routing Table:    19244
    ARIN Prefixes per ASN:                                        15.33
ARIN Region origin ASes announcing only one prefix:                7015
ARIN Region transit ASes present in the Internet Routing Table:    1924
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:    5154
Number of ARIN addresses announced to Internet:              1343706432
    Equivalent to 80 /8s, 23 /16s and 85 /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:                    289651
    Total RIPE prefixes after maximum aggregation:               133890
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           286770
    Unique aggregates announced from the RIPE address blocks:    172495
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:               12014
RIPE Region transit ASes present in the Internet Routing Table:    3849
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:   12279
Number of RIPE addresses announced to Internet:               733292581
    Equivalent to 43 /8s, 181 /16s and 40 /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:                  138339
    Total LACNIC prefixes after maximum aggregation:              29391
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135695
    Unique aggregates announced from the LACNIC address blocks:   49005
LACNIC Region origin ASes present in the Internet Routing Table:  11214
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2155
LACNIC Region transit ASes present in the Internet Routing Table:  2460
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:  9150
Number of LACNIC addresses announced to Internet:             177918720
    Equivalent to 10 /8s, 154 /16s and 211 /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:                  39180
    Total AfriNIC prefixes after maximum aggregation:              6948
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         52716
    Unique aggregates announced from the AfriNIC address blocks:  15284
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     27.44
AfriNIC Region origin ASes announcing only one prefix:              648
AfriNIC Region transit ASes present in the Internet Routing Table:  360
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: 1279
Number of AfriNIC addresses announced to Internet:            104593408
    Equivalent to 6 /8s, 59 /16s and 248 /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
 18403        4275        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4240        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2839        855     528  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       12752      38948    3740  AMAZON-02, US
   174        5560       8760     901  COGENT-174, US
 11492        4702        312     561  CABLEONE, US
  7155        4172        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        3032       1298    2201  AKAMAI-AS, US
396982        2927       3660     450  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        7762       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4023       3396     143  AKAMAI-ASN1, NL
  9009        3772        324    1922  M247, RO
 12389        2995       2303     894  ROSTELECOM-AS, RU
 34984        2415        364     573  TELLCOM-AS, TR
212238        2025        146    1501  CDNEXT, GB
  8452        1919       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       12011       3224     705  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        1112        371      22  Telefonica del Peru S.A.A., PE
 22884        1077         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        1553         98     103  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1290        202     341  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 37069         843       1083      15  MOBINIL, EG
  6713         558       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       12752      38948    3740  AMAZON-02, US
  8151       12011       3224     705  UNINET, MX
  9808       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9672       1285    1316  TTNET, TR
 12479        7762       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5560       8760     901  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       12011        11306  UNINET, MX
  9808       10337        10247  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9672         8356  TTNET, TR
 12479        7762         7617  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        5560         4659  COGENT-174, US
 18403        4275         4250  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
    213407  UNALLOCATED  2.56.248.0/24           214466  OLFE AE Olfe Tekn. Ve T
    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

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
198.51.100.0/24          141954  IDNIC-GSM-AS-ID PT Gaf Solusindo Media, ID
203.0.113.0/24           141954  IDNIC-GSM-AS-ID PT Gaf Solusindo Media, ID

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     
/13:588     /14:1235    /15:2202    /16:14089   /17:8563    /18:14242   
/19:25425   /20:46111   /21:54866   /22:116121  /23:110076  /24:630315  
/25:598     /26:595     /27:1058    /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        6719        7762  UNI2-AS, ES
  8151        6181       12011  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3623  SHAW, CA
  7155        3119        4172  VIASAT-SP-BACKBONE, US
 22773        2521        3387  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2278       12752  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)
----------------------------------------------

   1:2332      2:1602      3:571       4:25        5:4833      6:165    
   7:6         8:1650      9:1        10:1        11:172      12:1387   
  13:348      14:2550     15:350      16:273      17:361      18:916    
  20:460      21:4        22:188      23:7375     24:2777     25:2      
  27:2770     29:19       31:3211     32:56       34:82       35:205    
  36:2435     37:4752     38:10016    39:897      40:153      41:4792   
  42:1951     43:2577     44:352      45:19888    46:5043     47:294    
  49:1995     50:1897     51:589      52:1602     54:300      55:1076   
  56:9        57:251      58:2321     59:1264     60:1166     61:3101   
  62:3043     63:1847     64:5555     65:2218     66:4725     67:3094   
  68:1124     69:4021     70:1132     71:620      72:2936     74:2810   
  75:1641     76:616      77:2758     78:4230     79:1752     80:2251   
  81:2199     82:2580     83:1453     84:1816     85:4264     86:1027   
  87:2433     88:3424     89:4470     90:760      91:8453     92:2824   
  93:2893     94:3991     95:5433     96:1351     97:319      98:983    
  99:738     100:71      101:1395    102:4313    103:32598   104:4706   
 105:2235    106:993     107:2607    108:1208    109:4139    110:2270   
 111:3398    112:2075    113:1812    114:1959    115:2262    116:2105   
 117:2747    118:2898    119:2015    120:1903    121:1436    122:2893   
 123:2304    124:1683    125:2913    126:94      128:1686    129:1039   
 130:1312    131:2008    132:906     133:450     134:1531    135:371    
 136:1342    137:1162    138:3243    139:1605    140:1564    141:1501   
 142:1875    143:1709    144:1070    145:475     146:2157    147:2069   
 148:2616    149:2938    150:1234    151:1677    152:2135    153:574    
 154:8214    155:1617    156:3582    157:1915    158:1256    159:2429   
 160:3665    161:1942    162:3713    163:1835    164:1751    165:2211   
 166:1364    167:1904    168:4387    169:821     170:5515    171:1007   
 172:4306    173:3274    174:918     175:1288    176:3731    177:6155   
 178:3914    179:2716    180:2640    181:4143    182:3373    183:2036   
 184:2273    185:21768   186:5688    187:4982    188:4354    189:4570   
 190:9890    191:2080    192:11213   193:9417    194:7869    195:5640   
 196:3553    197:3986    198:6235    199:8363    200:8720    201:6571   
 202:10884   203:10793   204:4595    205:3729    206:4697    207:3622   
 208:4209    209:5245    210:4876    211:2635    212:4621    213:3880   
 214:1058    215:42      216:6685    217:3175    218:1395    219:555    
 220:2116    221:1056    222:849     223:2326   

End of report


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