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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Feb 1 22:46:26 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sat 01 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:                             1031018
    Prefixes after maximum aggregation (per Origin AS):          376715
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      473821
Total ASes present in the Internet Routing Table:                 76694
    Prefixes per ASN:                                             13.44
Origin-only ASes present in the Internet Routing Table:           66011
Origin ASes announcing only one prefix:                           26214
Transit ASes present in the Internet Routing Table:               10683
Transit-only ASes present in the Internet Routing Table:            525
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:              1134
    Number of instances of unregistered ASNs:                      1141
Number of 32-bit ASNs allocated by the RIRs:                      46097
Number of 32-bit ASNs visible in the Routing Table:               37783
Prefixes from 32-bit ASNs in the Routing Table:                  209498
Number of bogon 32-bit ASNs visible in the Routing Table:            80
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            543
Number of addresses announced to Internet:                   3119366523
    Equivalent to 185 /8s, 237 /16s and 193 /24s
    Percentage of available address space announced:               84.3
    Percentage of allocated address space announced:               84.3
    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:      347402

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

Prefixes being announced by APNIC Region ASes:                   266434
    Total APNIC prefixes after maximum aggregation:               77047
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257829
    Unique aggregates announced from the APNIC address blocks:   102535
APNIC Region origin ASes present in the Internet Routing Table:   14531
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4417
APNIC Region transit ASes present in the Internet Routing Table:   1941
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:   9988
Number of APNIC addresses announced to Internet:              758668096
    Equivalent to 45 /8s, 56 /16s and 91 /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:                    296778
    Total ARIN prefixes after maximum aggregation:               129124
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           298161
    Unique aggregates announced from the ARIN address blocks:    134930
ARIN Region origin ASes present in the Internet Routing Table:    19230
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6994
ARIN Region transit ASes present in the Internet Routing Table:    1903
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:    5137
Number of ARIN addresses announced to Internet:              1345170118
    Equivalent to 80 /8s, 45 /16s and 170 /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:                    289618
    Total RIPE prefixes after maximum aggregation:               133680
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           286410
    Unique aggregates announced from the RIPE address blocks:    171711
RIPE Region origin ASes present in the Internet Routing Table:    28896
    RIPE Prefixes per ASN:                                         9.91
RIPE Region origin ASes announcing only one prefix:               12005
RIPE Region transit ASes present in the Internet Routing Table:    3833
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:   12250
Number of RIPE addresses announced to Internet:               732578597
    Equivalent to 43 /8s, 170 /16s and 67 /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:                  138295
    Total LACNIC prefixes after maximum aggregation:              29331
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135729
    Unique aggregates announced from the LACNIC address blocks:   48999
LACNIC Region origin ASes present in the Internet Routing Table:  11194
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2152
LACNIC Region transit ASes present in the Internet Routing Table:  2491
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:  9129
Number of LACNIC addresses announced to Internet:             177945216
    Equivalent to 10 /8s, 155 /16s and 58 /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:                  38759
    Total AfriNIC prefixes after maximum aggregation:              6840
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         52344
    Unique aggregates announced from the AfriNIC address blocks:  15207
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     27.25
AfriNIC Region origin ASes announcing only one prefix:              646
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:            104742400
    Equivalent to 6 /8s, 62 /16s and 62 /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       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
  9498        4184        529     275  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4160        347      24  FPT-AS-AP FPT Telecom Company, VN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3902       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2836        852     538  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       12690      38942    3726  AMAZON-02, US
   174        5600       8759     888  COGENT-174, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
  6327        3614       1320      80  SHAW, CA
 22773        3414       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
  2152        3187        508     130  CENIC-2152, US
 16625        3013       1305    2197  AKAMAI-AS, US
396982        2905       3657     445  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        9666       1284    1322  TTNET, TR
 12479        7759       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4021       3396     141  AKAMAI-ASN1, NL
  9009        3762        322    1912  M247, RO
 12389        2993       2303     891  ROSTELECOM-AS, RU
 34984        2417        364     574  TELLCOM-AS, TR
  8452        1951       1852      14  TE-AS TE-AS, EG
212238        1904        136    1404  CDNEXT, GB
  5384        1790        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       11960       3243     708  UNINET, MX
 10620        3540        492     954  Telmex Colombia S.A., CO
 13999        2518        539     366  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1581       2438     256  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        777     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1134        374     163  Axtel, S.A.B. de C.V., MX
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1104        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         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        1681        601      30  RAYA-AS, EG
 24863        1644        389      16  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1546         98     102  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         867       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       12690      38942    3726  AMAZON-02, US
  8151       11960       3243     708  UNINET, MX
  9808       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9666       1284    1322  TTNET, TR
 12479        7759       1711     144  UNI2-AS, ES
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5600       8759     888  COGENT-174, US
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4697        312     552  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       11960        11252  UNINET, MX
  9808       10398        10273  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9666         8344  TTNET, TR
 12479        7759         7615  UNI2-AS, ES
  7545        6208         5545  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035         4958  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5600         4712  COGENT-174, US
 11492        4697         4145  CABLEONE, US
 18403        4160         4136  FPT-AS-AP FPT Telecom Company, VN

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:      3257  GTT-BACKBONE GTT, 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      /11:92      /12:309     
/13:590     /14:1238    /15:2211    /16:14116   /17:8573    /18:14728   
/19:25615   /20:46358   /21:55155   /22:116435  /23:110427  /24:628863  
/25:654     /26:654     /27:1187    /28:220     /29:372     /30:246     
/31:1268    /32:1632    

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

   ASN  No of nets  Total ann.  Description
 47331        8751        9666  TTNET, TR
 12479        6719        7759  UNI2-AS, ES
  8151        6128       11960  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2547        3414  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2266       12690  AMAZON-02, US
 30036        2238        2577  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      2:1615      3:567       4:25        5:4855      6:165    
   7:6         8:1641      9:1        10:1        11:172      12:1386   
  13:349      14:2538     15:344      16:270      17:362      18:915    
  20:460      21:4        22:188      23:7322     24:2781     25:2      
  27:2770     29:19       31:3189     32:57       34:75       35:189    
  36:2435     37:4752     38:10010    39:897      40:151      41:4754   
  42:1914     43:2569     44:348      45:19791    46:5046     47:296    
  49:2008     50:1880     51:589      52:1604     54:307      55:1141   
  56:9        57:245      58:2304     59:1256     60:1162     61:2971   
  62:3039     63:1853     64:5555     65:2231     66:4735     67:3095   
  68:1199     69:4056     70:1126     71:618      72:2945     74:2810   
  75:1644     76:633      77:2741     78:4231     79:1706     80:2260   
  81:2223     82:2202     83:1455     84:1821     85:4226     86:1010   
  87:2468     88:3423     89:4494     90:756      91:8472     92:2796   
  93:2912     94:3997     95:5405     96:1295     97:317      98:995    
  99:737     100:72      101:1398    102:4278    103:32630   104:4685   
 105:2164    106:1015    107:2619    108:1178    109:4132    110:2263   
 111:3417    112:2073    113:1790    114:1957    115:2250    116:2065   
 117:2751    118:2855    119:2010    120:1904    121:1430    122:2881   
 123:2190    124:1696    125:2905    126:94      128:1691    129:1037   
 130:1313    131:2026    132:922     133:451     134:1528    135:367    
 136:1346    137:1166    138:3231    139:1606    140:1545    141:1491   
 142:1864    143:1730    144:1039    145:466     146:2166    147:2065   
 148:2606    149:2917    150:1211    151:1645    152:2093    153:574    
 154:8301    155:1616    156:3648    157:1912    158:1262    159:2426   
 160:3637    161:1860    162:3681    163:1810    164:1755    165:2208   
 166:1327    167:1904    168:4370    169:822     170:5490    171:1004   
 172:4332    173:3255    174:919     175:1288    176:3717    177:6127   
 178:3950    179:2703    180:2628    181:4134    182:3374    183:2044   
 184:2275    185:21752   186:5692    187:4977    188:4380    189:4545   
 190:9912    191:2076    192:11299   193:9442    194:7831    195:5626   
 196:3475    197:3924    198:6226    199:8328    200:8728    201:6566   
 202:10874   203:10779   204:4587    205:3685    206:4715    207:3645   
 208:4227    209:5240    210:4859    211:2620    212:4618    213:3875   
 214:1046    215:42      216:6711    217:3176    218:1394    219:555    
 220:2115    221:1056    222:848     223:2328   

End of report


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