[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 29 22:46:20 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Wed 29 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:                             1031346
    Prefixes after maximum aggregation (per Origin AS):          376378
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      473582
Total ASes present in the Internet Routing Table:                 76714
    Prefixes per ASN:                                             13.44
Origin-only ASes present in the Internet Routing Table:           66040
Origin ASes announcing only one prefix:                           26223
Transit ASes present in the Internet Routing Table:               10674
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:                      46079
Number of 32-bit ASNs visible in the Routing Table:               37787
Prefixes from 32-bit ASNs in the Routing Table:                  209849
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:            549
Number of addresses announced to Internet:                   3120732027
    Equivalent to 186 /8s, 2 /16s and 151 /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:      347439

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

Prefixes being announced by APNIC Region ASes:                   266378
    Total APNIC prefixes after maximum aggregation:               76991
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257853
    Unique aggregates announced from the APNIC address blocks:   102528
APNIC Region origin ASes present in the Internet Routing Table:   14537
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4415
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:   9993
Number of APNIC addresses announced to Internet:              758782272
    Equivalent to 45 /8s, 58 /16s and 25 /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:                    296959
    Total ARIN prefixes after maximum aggregation:               128890
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           298375
    Unique aggregates announced from the ARIN address blocks:    134717
ARIN Region origin ASes present in the Internet Routing Table:    19234
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6987
ARIN Region transit ASes present in the Internet Routing Table:    1912
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:    5135
Number of ARIN addresses announced to Internet:              1345345990
    Equivalent to 80 /8s, 48 /16s and 89 /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:                    289478
    Total RIPE prefixes after maximum aggregation:               133624
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           286262
    Unique aggregates announced from the RIPE address blocks:    171675
RIPE Region origin ASes present in the Internet Routing Table:    28903
    RIPE Prefixes per ASN:                                         9.90
RIPE Region origin ASes announcing only one prefix:               12021
RIPE Region transit ASes present in the Internet Routing Table:    3831
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:   12249
Number of RIPE addresses announced to Internet:               733621541
    Equivalent to 43 /8s, 186 /16s and 45 /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:                  138604
    Total LACNIC prefixes after maximum aggregation:              29339
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         136052
    Unique aggregates announced from the LACNIC address blocks:   49023
LACNIC Region origin ASes present in the Internet Routing Table:  11198
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2156
LACNIC Region transit ASes present in the Internet Routing Table:  2475
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:  9131
Number of LACNIC addresses announced to Internet:             178043264
    Equivalent to 10 /8s, 156 /16s and 185 /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:                  38793
    Total AfriNIC prefixes after maximum aggregation:              6838
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         52253
    Unique aggregates announced from the AfriNIC address blocks:  15194
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     27.22
AfriNIC Region origin ASes announcing only one prefix:              644
AfriNIC Region transit ASes present in the Internet Routing Table:  361
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet:            104673536
    Equivalent to 6 /8s, 61 /16s and 49 /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       10400       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6206        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4178        347      24  FPT-AS-AP FPT Telecom Company, VN
  9498        4174        529     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3902       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2835        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       12628      38888    3709  AMAZON-02, US
   174        6139       8760     889  COGENT-174, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3413       3049     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
  2152        3180        508     130  CENIC-2152, US
 16625        3015       1305    2197  AKAMAI-AS, US
396982        2906       3657     446  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        7758       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4026       3396     141  AKAMAI-ASN1, NL
  9009        3768        323    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        1906        136    1406  CDNEXT, GB
  5384        1782        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       11952       3243     708  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2522        539     366  Mega Cable, S.A. de C.V., MX
 11830        1989        369      64  Instituto Costarricense de Electricidad y
 28573        1580       2438     256  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        777     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1137        374     163  Axtel, S.A.B. de C.V., MX
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1105        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        1648        389      16  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1546         97     106  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         847       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       12628      38888    3709  AMAZON-02, US
  8151       11952       3243     708  UNINET, MX
  9808       10400       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9666       1284    1322  TTNET, TR
 12479        7758       1711     144  UNI2-AS, ES
  7545        6206        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6139       8760     889  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       11952        11244  UNINET, MX
  9808       10400        10275  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9666         8344  TTNET, TR
 12479        7758         7614  UNI2-AS, ES
  7545        6206         5543  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6139         5250  COGENT-174, US
  4538        5035         4958  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4178         4154  FPT-AS-AP FPT Telecom Company, VN
 11492        4697         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
    214971  UNALLOCATED  5.231.47.0/24            47263  CUBEHOSTING1, DE
     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
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      /11:93      /12:309     
/13:590     /14:1240    /15:2213    /16:14115   /17:8575    /18:14734   
/19:25624   /20:46344   /21:55127   /22:116474  /23:110368  /24:629228  
/25:657     /26:653     /27:1191    /28:220     /29:372     /30:248     
/31:1265    /32:1631    

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

   ASN  No of nets  Total ann.  Description
 47331        8751        9666  TTNET, TR
 12479        6718        7758  UNI2-AS, ES
  8151        6121       11952  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2545        3413  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2251       12628  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)
----------------------------------------------

   1:2327      2:1617      3:565       4:25        5:4953      6:165    
   7:6         8:1642      9:1        10:1        11:172      12:1387   
  13:348      14:2536     15:343      16:270      17:361      18:908    
  20:460      21:4        22:188      23:7328     24:2776     25:2      
  27:2782     29:19       31:3181     32:57       34:74       35:189    
  36:2434     37:4761     38:10476    39:897      40:151      41:4748   
  42:1921     43:2574     44:348      45:19793    46:5049     47:296    
  49:2009     50:1876     51:588      52:1601     54:307      55:1143   
  56:9        57:246      58:2303     59:1256     60:1161     61:2975   
  62:3039     63:1852     64:5553     65:2228     66:4735     67:3090   
  68:1185     69:4063     70:1126     71:616      72:2945     74:2811   
  75:1642     76:633      77:2736     78:4230     79:1434     80:2256   
  81:2224     82:2174     83:1462     84:1822     85:4219     86:1005   
  87:2460     88:3425     89:4497     90:754      91:8479     92:2790   
  93:2936     94:4004     95:5400     96:1295     97:317      98:991    
  99:737     100:72      101:1398    102:4380    103:32637   104:4670   
 105:2165    106:1015    107:2618    108:1178    109:4144    110:2262   
 111:3384    112:2073    113:1796    114:1957    115:2249    116:2063   
 117:2752    118:2865    119:2017    120:1902    121:1431    122:2873   
 123:2189    124:1698    125:2906    126:94      128:1695    129:1037   
 130:1307    131:2042    132:922     133:451     134:1523    135:368    
 136:1342    137:1168    138:3245    139:1604    140:1551    141:1502   
 142:1868    143:1725    144:1040    145:466     146:2163    147:2059   
 148:2599    149:2922    150:1208    151:1644    152:2112    153:570    
 154:8281    155:1567    156:3514    157:1907    158:1260    159:2430   
 160:3636    161:1855    162:3680    163:1809    164:1755    165:2206   
 166:1327    167:1903    168:4391    169:820     170:5528    171:1004   
 172:4221    173:3248    174:919     175:1289    176:3721    177:6286   
 178:3949    179:2666    180:2627    181:4131    182:3379    183:2045   
 184:2278    185:21739   186:5708    187:5048    188:4388    189:4558   
 190:9916    191:2085    192:11301   193:9413    194:7835    195:5635   
 196:3496    197:3924    198:6216    199:8331    200:8721    201:6578   
 202:10874   203:10779   204:4585    205:3711    206:4720    207:3647   
 208:4224    209:5237    210:4853    211:2620    212:4613    213:3868   
 214:1049    215:42      216:6709    217:3182    218:1394    219:555    
 220:2115    221:1054    222:850     223:2328   

End of report


More information about the ren-bgp-stats-all mailing list