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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 22 22:47:01 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Wed 22 Jan, 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:                             1029900
    Prefixes after maximum aggregation (per Origin AS):          375729
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      472561
Total ASes present in the Internet Routing Table:                 76686
    Prefixes per ASN:                                             13.43
Origin-only ASes present in the Internet Routing Table:           65991
Origin ASes announcing only one prefix:                           26256
Transit ASes present in the Internet Routing Table:               10695
Transit-only ASes present in the Internet Routing Table:            515
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:                                     203
    Max AS path prepend of ASN (153261)                             200
Prefixes from unregistered ASNs in the Routing Table:              1129
    Number of instances of unregistered ASNs:                      1136
Number of 32-bit ASNs allocated by the RIRs:                      46044
Number of 32-bit ASNs visible in the Routing Table:               37748
Prefixes from 32-bit ASNs in the Routing Table:                  209472
Number of bogon 32-bit ASNs visible in the Routing Table:            76
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            547
Number of addresses announced to Internet:                   3123298171
    Equivalent to 186 /8s, 41 /16s and 191 /24s
    Percentage of available address space announced:               84.4
    Percentage of allocated address space announced:               84.4
    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:      346622

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

Prefixes being announced by APNIC Region ASes:                   266335
    Total APNIC prefixes after maximum aggregation:               76964
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257784
    Unique aggregates announced from the APNIC address blocks:   102393
APNIC Region origin ASes present in the Internet Routing Table:   14528
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4430
APNIC Region transit ASes present in the Internet Routing Table:   1937
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                        203
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9986
Number of APNIC addresses announced to Internet:              760634944
    Equivalent to 45 /8s, 86 /16s and 94 /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, 131072-153913
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:                    296565
    Total ARIN prefixes after maximum aggregation:               128731
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           297800
    Unique aggregates announced from the ARIN address blocks:    134360
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.49
ARIN Region origin ASes announcing only one prefix:                6996
ARIN Region transit ASes present in the Internet Routing Table:    1923
Average ARIN Region AS path length visible:                         2.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5123
Number of ARIN addresses announced to Internet:              1346717382
    Equivalent to 80 /8s, 69 /16s and 70 /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:                    288779
    Total RIPE prefixes after maximum aggregation:               133226
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           285677
    Unique aggregates announced from the RIPE address blocks:    171254
RIPE Region origin ASes present in the Internet Routing Table:    28893
    RIPE Prefixes per ASN:                                         9.89
RIPE Region origin ASes announcing only one prefix:               12028
RIPE Region transit ASes present in the Internet Routing Table:    3830
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12233
Number of RIPE addresses announced to Internet:               733437221
    Equivalent to 43 /8s, 183 /16s and 93 /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:                  138630
    Total LACNIC prefixes after maximum aggregation:              29288
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         136129
    Unique aggregates announced from the LACNIC address blocks:   48958
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2160
LACNIC Region transit ASes present in the Internet Routing Table:  2485
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:  9126
Number of LACNIC addresses announced to Internet:             177557888
    Equivalent to 10 /8s, 149 /16s and 81 /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:                  38462
    Total AfriNIC prefixes after maximum aggregation:              6821
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         51961
    Unique aggregates announced from the AfriNIC address blocks:  15156
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     27.05
AfriNIC Region origin ASes announcing only one prefix:              642
AfriNIC Region transit ASes present in the Internet Routing Table:  364
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: 1280
Number of AfriNIC addresses announced to Internet:            104686336
    Equivalent to 6 /8s, 61 /16s and 99 /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       10401       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6200        842     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4231        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4160        529     281  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3898       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3678       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2821        846     546  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       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       12607      38855    3710  AMAZON-02, US
   174        6141       8763     901  COGENT-174, US
 11492        4696        312     551  CABLEONE, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3412       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  2152        3168        508     130  CENIC-2152, US
 16625        3015       1302    2196  AKAMAI-AS, US
396982        2902       3657     443  GOOGLE-CLOUD-PLATFORM, 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        9649       1282    1365  TTNET, TR
 12479        7697       1711     144  UNI2-AS, ES
 39891        4814        294      63  ALJAWWALSTC-AS, SA
 20940        4032       3396     141  AKAMAI-ASN1, NL
  9009        3746        322    1906  M247, RO
 12389        2981       2301     888  ROSTELECOM-AS, RU
 34984        2418        364     573  TELLCOM-AS, TR
  8452        1950       1852      14  TE-AS TE-AS, EG
212238        1902        136    1402  CDNEXT, GB
  5384        1791        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       11921       3246     710  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2515        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1579       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1167        374     163  Axtel, S.A.B. de C.V., MX
 28202        1127         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1107        371      22  Telefonica del Peru S.A.A., PE
 22884        1075         98     372  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        1682        601      30  RAYA-AS, EG
 24863        1648        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1545         97     105  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1281        198     332  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 37069         867       1083      15  MOBINIL, EG
  6713         556       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       12607      38855    3710  AMAZON-02, US
  8151       11921       3246     710  UNINET, MX
  9808       10401       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9649       1282    1365  TTNET, TR
 12479        7697       1711     144  UNI2-AS, ES
  7545        6200        842     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6141       8763     901  COGENT-174, US
  4538        5037       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4814        294      63  ALJAWWALSTC-AS, SA
 11492        4696        312     551  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       11921        11211  UNINET, MX
  9808       10401        10276  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9649         8284  TTNET, TR
 12479        7697         7553  UNI2-AS, ES
  7545        6200         5537  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6141         5240  COGENT-174, US
  4538        5037         4960  ERX-CERNET-BKB China Education and Research Net
 39891        4814         4751  ALJAWWALSTC-AS, SA
 18403        4231         4208  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4145  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
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

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
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     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
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:     18106  VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG

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      /12:311     
/13:591     /14:1241    /15:2215    /16:14136   /17:8565    /18:14716   
/19:25617   /20:46349   /21:55132   /22:116391  /23:110244  /24:628058  
/25:648     /26:642     /27:1187    /28:220     /29:379     /30:249     
/31:1257    /32:1584    

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

   ASN  No of nets  Total ann.  Description
 47331        8735        9649  TTNET, TR
 12479        6658        7697  UNI2-AS, ES
  8151        6079       11921  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3505        4814  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3124        4176  VIASAT-SP-BACKBONE, US
 22773        2545        3412  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2252       12607  AMAZON-02, US
 30036        2234        2573  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2324      2:1675      3:550       4:25        5:4843      6:165    
   7:6         8:1642      9:1        10:1        11:172      12:1388   
  13:353      14:2533     15:337      16:270      17:362      18:904    
  20:460      21:4        22:188      23:7316     24:2782     25:2      
  27:2785     29:19       31:3174     32:56       34:74       35:189    
  36:2430     37:4669     38:10460    39:895      40:151      41:4736   
  42:1940     43:2569     44:347      45:19855    46:5040     47:296    
  49:2012     50:1885     51:586      52:1602     54:307      55:1027   
  56:9        57:245      58:2302     59:1256     60:1161     61:2986   
  62:3034     63:1852     64:5546     65:2230     66:4729     67:3079   
  68:1184     69:4044     70:1126     71:617      72:2934     74:2814   
  75:1643     76:637      77:2730     78:4226     79:1754     80:2256   
  81:2220     82:2015     83:1447     84:1815     85:4214     86:1001   
  87:2454     88:3424     89:4461     90:756      91:8468     92:2800   
  93:2904     94:3918     95:5395     96:1271     97:318      98:989    
  99:737     100:72      101:1397    102:4139    103:32606   104:4646   
 105:2165    106:1017    107:2615    108:1198    109:4117    110:2268   
 111:3378    112:2070    113:1801    114:1950    115:2249    116:2064   
 117:2753    118:2879    119:2019    120:1903    121:1433    122:2869   
 123:2190    124:1699    125:2894    126:62      128:1695    129:1030   
 130:1293    131:2037    132:922     133:451     134:1523    135:370    
 136:1342    137:1165    138:3245    139:1585    140:1533    141:1486   
 142:1869    143:1712    144:1040    145:472     146:2156    147:2059   
 148:2608    149:2925    150:1213    151:1660    152:2116    153:574    
 154:8282    155:1556    156:3526    157:1907    158:1266    159:2430   
 160:3627    161:1848    162:3675    163:1805    164:1749    165:2198   
 166:1341    167:1897    168:4413    169:823     170:5514    171:1005   
 172:4080    173:3213    174:919     175:1287    176:3712    177:6336   
 178:3927    179:2637    180:2625    181:4126    182:3371    183:2056   
 184:2277    185:21688   186:5800    187:5072    188:4369    189:4528   
 190:9913    191:2085    192:11291   193:9414    194:7809    195:5608   
 196:3487    197:3815    198:6205    199:8339    200:8666    201:6638   
 202:10867   203:10759   204:4586    205:3715    206:4720    207:3633   
 208:4231    209:5224    210:4849    211:2623    212:4624    213:3872   
 214:1048    215:42      216:6704    217:3168    218:1394    219:555    
 220:2112    221:1056    222:851     223:2328   

End of report


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