[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 1 22:42:00 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Wed 01 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:                             1028689
    Prefixes after maximum aggregation (per Origin AS):          374178
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      469013
Total ASes present in the Internet Routing Table:                 76653
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65937
Origin ASes announcing only one prefix:                           26216
Transit ASes present in the Internet Routing Table:               10716
Transit-only ASes present in the Internet Routing Table:            521
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:              1129
    Number of instances of unregistered ASNs:                      1136
Number of 32-bit ASNs allocated by the RIRs:                      45997
Number of 32-bit ASNs visible in the Routing Table:               37653
Prefixes from 32-bit ASNs in the Routing Table:                  207458
Number of bogon 32-bit ASNs visible in the Routing Table:            73
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            533
Number of addresses announced to Internet:                   3123432569
    Equivalent to 186 /8s, 43 /16s and 204 /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:      346164

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

Prefixes being announced by APNIC Region ASes:                   266047
    Total APNIC prefixes after maximum aggregation:               76774
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257473
    Unique aggregates announced from the APNIC address blocks:   102075
APNIC Region origin ASes present in the Internet Routing Table:   14522
    APNIC Prefixes per ASN:                                       17.73
APNIC Region origin ASes announcing only one prefix:               4432
APNIC Region transit ASes present in the Internet Routing Table:   1917
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:   9959
Number of APNIC addresses announced to Internet:              762169920
    Equivalent to 45 /8s, 109 /16s and 202 /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:                    297028
    Total ARIN prefixes after maximum aggregation:               128363
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297920
    Unique aggregates announced from the ARIN address blocks:    132117
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:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1933
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:    5107
Number of ARIN addresses announced to Internet:              1344941766
    Equivalent to 80 /8s, 42 /16s and 46 /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:                    287757
    Total RIPE prefixes after maximum aggregation:               132460
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284526
    Unique aggregates announced from the RIPE address blocks:    170132
RIPE Region origin ASes present in the Internet Routing Table:    28877
    RIPE Prefixes per ASN:                                         9.85
RIPE Region origin ASes announcing only one prefix:               12049
RIPE Region transit ASes present in the Internet Routing Table:    3862
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:   12198
Number of RIPE addresses announced to Internet:               733786915
    Equivalent to 43 /8s, 188 /16s and 179 /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:                  138314
    Total LACNIC prefixes after maximum aggregation:              29175
    LACNIC Deaggregation factor:                                   4.74
Prefixes being announced from the LACNIC address blocks:         135900
    Unique aggregates announced from the LACNIC address blocks:   48917
LACNIC Region origin ASes present in the Internet Routing Table:  11189
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2146
LACNIC Region transit ASes present in the Internet Routing Table:  2479
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:  9117
Number of LACNIC addresses announced to Internet:             177621632
    Equivalent to 10 /8s, 150 /16s and 74 /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:                  38407
    Total AfriNIC prefixes after maximum aggregation:              6705
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:         52335
    Unique aggregates announced from the AfriNIC address blocks:  15336
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     27.34
AfriNIC Region origin ASes announcing only one prefix:              636
AfriNIC Region transit ASes present in the Internet Routing Table:  357
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: 1272
Number of AfriNIC addresses announced to Internet:            104649984
    Equivalent to 6 /8s, 60 /16s and 213 /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       10163       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6196        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5027       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4365        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4054        524     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3897       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2823        845     537  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       12482      37832    3189  AMAZON-02, US
   174        6220       8765     882  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3420       3050     188  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3262      23515    2068  ATT-INTERNET4, US
  2152        3149        508     131  CENIC-2152, US
 16625        3006       1306    2190  AKAMAI-AS, 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        9633       1280    1389  TTNET, TR
 12479        7704       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4025       3396     141  AKAMAI-ASN1, NL
  9009        3747        321    1896  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2416        363     570  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1845        133    1359  CDNEXT, GB
  5384        1792        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       11801       3246     709  UNINET, MX
 10620        3548        494     936  Telmex Colombia S.A., CO
 13999        2537        540     369  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1577       2310     261  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        1125         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1116        371      22  Telefonica del Peru S.A.A., PE
 22884        1073         98     376  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        1669        593      29  RAYA-AS, EG
 24863        1659        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1470         93      61  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1221        193     304  INTERNET-SOLUTIONS, ZA
 36935        1011        523      49  Vodafone-, EG
 37069         852       1083      15  MOBINIL, EG
  6713         559       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       12482      37832    3189  AMAZON-02, US
  8151       11801       3246     709  UNINET, MX
  9808       10163       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9633       1280    1389  TTNET, TR
 12479        7704       1709     143  UNI2-AS, ES
   174        6220       8765     882  COGENT-174, US
  7545        6196        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5027       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4692        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       11801        11092  UNINET, MX
  9808       10163        10039  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9633         8244  TTNET, TR
 12479        7704         7561  UNI2-AS, ES
  7545        6196         5531  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6220         5338  COGENT-174, US
  4538        5027         4950  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4365         4342  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4140  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
     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
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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
23.131.172.0/24      Origin:     61961  NELLICUS-NETWORKS-, US
23.131.172.0/24     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

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     
/13:594     /14:1242    /15:2216    /16:14158   /17:8558    /18:14744   
/19:25659   /20:46362   /21:55152   /22:116430  /23:110229  /24:626693  
/25:649     /26:655     /27:1189    /28:223     /29:380     /30:248     
/31:1248    /32:1581    

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

   ASN  No of nets  Total ann.  Description
 47331        8719        9633  TTNET, TR
 12479        6676        7704  UNI2-AS, ES
  8151        5951       11801  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2552        3420  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2237       12482  AMAZON-02, US
 30036        2225        2564  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2317      2:1660      3:538       4:25        5:4818      6:165    
   7:6         8:1645      9:2        10:1        11:172      12:1400   
  13:361      14:2508     15:334      16:269      17:362      18:905    
  20:456      21:4        22:188      23:7265     24:2775     25:2      
  27:2732     29:19       31:3102     32:56       34:73       35:180    
  36:2422     37:4641     38:10389    39:883      40:150      41:4722   
  42:2037     43:2552     44:344      45:19848    46:5022     47:298    
  49:2015     50:1880     51:586      52:1606     54:315      55:1023   
  56:8        57:242      58:2291     59:1254     60:1156     61:2981   
  62:2987     63:1857     64:5483     65:2243     66:4745     67:3092   
  68:1304     69:4015     70:1130     71:608      72:2940     74:2815   
  75:1639     76:632      77:2712     78:4225     79:1725     80:2252   
  81:2209     82:1857     83:1455     84:1824     85:4142     86:986    
  87:2440     88:3414     89:4440     90:762      91:8436     92:2756   
  93:2855     94:3918     95:5424     96:1260     97:317      98:1069   
  99:732     100:73      101:1392    102:4306    103:32604   104:4474   
 105:2163    106:1069    107:2618    108:1196    109:4127    110:2270   
 111:3341    112:2064    113:1833    114:1949    115:2239    116:2058   
 117:2694    118:2887    119:2026    120:1891    121:1414    122:2875   
 123:2202    124:1692    125:2875    126:62      128:1675    129:1023   
 130:1305    131:2017    132:917     133:450     134:1521    135:369    
 136:1344    137:1160    138:3247    139:1555    140:1525    141:1475   
 142:1853    143:1704    144:1030    145:437     146:2150    147:2043   
 148:2589    149:2907    150:1200    151:1530    152:2136    153:570    
 154:8550    155:1590    156:3532    157:1895    158:1257    159:2439   
 160:3553    161:1801    162:3649    163:1803    164:1743    165:2203   
 166:1350    167:1896    168:4425    169:826     170:5503    171:1005   
 172:4064    173:3221    174:917     175:1288    176:3694    177:6264   
 178:3908    179:2745    180:2619    181:4149    182:3356    183:2067   
 184:2269    185:21607   186:5656    187:4904    188:4366    189:4488   
 190:9960    191:2118    192:11283   193:9362    194:7790    195:5566   
 196:3433    197:3840    198:6149    199:8337    200:8723    201:6571   
 202:10939   203:10832   204:4670    205:3720    206:4726    207:3642   
 208:4239    209:5202    210:4844    211:2613    212:4605    213:3890   
 214:1054    215:48      216:6695    217:3163    218:1385    219:550    
 220:2109    221:1052    222:850     223:2300   

End of report


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