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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 19 22:41:31 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 19 Dec, 2024

  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:                             1024967
    Prefixes after maximum aggregation (per Origin AS):          373100
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      467469
Total ASes present in the Internet Routing Table:                 76679
    Prefixes per ASN:                                             13.37
Origin-only ASes present in the Internet Routing Table:           65648
Origin ASes announcing only one prefix:                           26215
Transit ASes present in the Internet Routing Table:               11031
Transit-only ASes present in the Internet Routing Table:            540
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1123
    Number of instances of unregistered ASNs:                      1131
Number of 32-bit ASNs allocated by the RIRs:                      45976
Number of 32-bit ASNs visible in the Routing Table:               37651
Prefixes from 32-bit ASNs in the Routing Table:                  206904
Number of bogon 32-bit ASNs visible in the Routing Table:            82
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            528
Number of addresses announced to Internet:                   3122883449
    Equivalent to 186 /8s, 35 /16s and 107 /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:      345388

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

Prefixes being announced by APNIC Region ASes:                   264426
    Total APNIC prefixes after maximum aggregation:               76290
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          256726
    Unique aggregates announced from the APNIC address blocks:   102146
APNIC Region origin ASes present in the Internet Routing Table:   14515
    APNIC Prefixes per ASN:                                       17.69
APNIC Region origin ASes announcing only one prefix:               4410
APNIC Region transit ASes present in the Internet Routing Table:   1953
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9956
Number of APNIC addresses announced to Internet:              761623616
    Equivalent to 45 /8s, 101 /16s and 116 /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:                    296061
    Total ARIN prefixes after maximum aggregation:               127458
    ARIN Deaggregation factor:                                     2.32
Prefixes being announced from the ARIN address blocks:           297605
    Unique aggregates announced from the ARIN address blocks:    131279
ARIN Region origin ASes present in the Internet Routing Table:    19232
    ARIN Prefixes per ASN:                                        15.47
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    2012
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          39
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5102
Number of ARIN addresses announced to Internet:              1346150598
    Equivalent to 80 /8s, 60 /16s and 160 /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:                    287167
    Total RIPE prefixes after maximum aggregation:               132617
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           283836
    Unique aggregates announced from the RIPE address blocks:    170288
RIPE Region origin ASes present in the Internet Routing Table:    28889
    RIPE Prefixes per ASN:                                         9.83
RIPE Region origin ASes announcing only one prefix:               12067
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12205
Number of RIPE addresses announced to Internet:               732825635
    Equivalent to 43 /8s, 174 /16s and 8 /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:                  138227
    Total LACNIC prefixes after maximum aggregation:              29370
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135803
    Unique aggregates announced from the LACNIC address blocks:   48797
LACNIC Region origin ASes present in the Internet Routing Table:  11189
    LACNIC Prefixes per ASN:                                      12.14
LACNIC Region origin ASes announcing only one prefix:              2150
LACNIC Region transit ASes present in the Internet Routing Table:  2539
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9111
Number of LACNIC addresses announced to Internet:             177610368
    Equivalent to 10 /8s, 150 /16s and 30 /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:                  37963
    Total AfriNIC prefixes after maximum aggregation:              6675
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         50467
    Unique aggregates announced from the AfriNIC address blocks:  14528
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     26.27
AfriNIC Region origin ASes announcing only one prefix:              642
AfriNIC Region transit ASes present in the Internet Routing Table:  367
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet:            104412928
    Equivalent to 6 /8s, 57 /16s and 55 /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       10166       8923     126  CHINAMOBILE-CN China Mobile Communication
  7545        6191        842     661  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4852       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4497        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4035        523     283  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3895       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3676       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2803        837     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2236       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       12543      38222    3008  AMAZON-02, US
   174        6176       8764     893  COGENT-174, US
 11492        4691        312     556  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3421       3052     190  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  7018        3230      23507    2061  ATT-INTERNET4, US
  2152        3182        508     133  CENIC-2152, US
 16625        2972       1298    2173  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        9470       1270    1583  TTNET, TR
 12479        7705       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4021       3396     141  AKAMAI-ASN1, NL
  9009        3697        318    1870  M247, RO
 12389        2953       2292     882  ROSTELECOM-AS, RU
 34984        2397        363     567  TELLCOM-AS, TR
  8452        1957       1852      14  TE-AS TE-AS, EG
212238        1846        133    1361  CDNEXT, GB
  5384        1776        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       11791       3246     709  UNINET, MX
 10620        3543        494     942  Telmex Colombia S.A., CO
 13999        2540        540     373  Mega Cable, S.A. de C.V., MX
 11830        1995        369      64  Instituto Costarricense de Electricidad y
 28573        1575       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1170        374     163  Axtel, S.A.B. de C.V., MX
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1117        371      22  Telefonica del Peru S.A.A., PE
 22884        1072         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
 24863        1651        389      16  LINKdotNET-AS, EG
 24835        1649        593      29  RAYA-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1460         92      58  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         999        520      40  Vodafone-, EG
 37069         845       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       12543      38222    3008  AMAZON-02, US
  8151       11791       3246     709  UNINET, MX
  9808       10166       8923     126  CHINAMOBILE-CN China Mobile Communication
 47331        9470       1270    1583  TTNET, TR
 12479        7705       1709     143  UNI2-AS, ES
  7545        6191        842     661  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6176       8764     893  COGENT-174, US
  4538        4852       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4691        312     556  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       11791        11082  UNINET, MX
  9808       10166        10040  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9470         7887  TTNET, TR
 12479        7705         7562  UNI2-AS, ES
  7545        6191         5530  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6176         5283  COGENT-174, US
  4538        4852         4775  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4497         4474  FPT-AS-AP FPT Telecom Company, VN
 11492        4691         4135  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
100.126.255.172/30        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
100.127.255.192/28        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
23.131.12.0/24       Origin:     53343  SCN, US
23.131.12.0/24      Transit:     26006  EXODO, 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:      3356  LEVEL3, 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      /12:312     
/13:594     /14:1244    /15:2218    /16:14156   /17:8546    /18:14721   
/19:25636   /20:46288   /21:55099   /22:116152  /23:109841  /24:623786  
/25:650     /26:652     /27:1188    /28:225     /29:380     /30:252     
/31:1262    /32:1597    

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

   ASN  No of nets  Total ann.  Description
 47331        8555        9470  TTNET, TR
 12479        6677        7705  UNI2-AS, ES
  8151        5942       11791  UNINET, MX
 11492        3555        4691  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2549        3421  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2276       12543  AMAZON-02, US
 30036        2222        2561  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2321      2:1672      3:532       4:24        5:4806      6:165    
   7:6         8:1642      9:2        10:1        11:172      12:1402   
  13:361      14:2508     15:332      16:269      17:362      18:900    
  20:456      21:4        22:188      23:7261     24:2775     25:2      
  27:2735     29:19       31:3125     32:56       34:73       35:181    
  36:2420     37:4625     38:10332    39:882      40:149      41:4715   
  42:2114     43:2541     44:344      45:19498    46:5060     47:300    
  49:2013     50:1882     51:586      52:1606     54:315      55:1034   
  56:8        57:243      58:2296     59:1252     60:1154     61:2913   
  62:2980     63:1857     64:5470     65:2246     66:4740     67:3088   
  68:1302     69:4022     70:1130     71:608      72:2938     74:2818   
  75:1639     76:635      77:2714     78:4227     79:1723     80:2247   
  81:2207     82:1842     83:1441     84:1818     85:4126     86:980    
  87:2442     88:3250     89:4473     90:761      91:8378     92:2757   
  93:2856     94:3920     95:5416     96:1248     97:317      98:1069   
  99:732     100:71      101:1433    102:4038    103:32538   104:4500   
 105:2164    106:1011    107:2621    108:1197    109:4092    110:2244   
 111:3333    112:2065    113:1841    114:1952    115:2258    116:2058   
 117:2690    118:2898    119:1986    120:1890    121:1415    122:2745   
 123:2196    124:1695    125:2865    126:62      128:1671    129:1021   
 130:1305    131:2052    132:917     133:450     134:1514    135:369    
 136:1349    137:1165    138:3265    139:1553    140:1522    141:1457   
 142:1869    143:1719    144:1033    145:413     146:2148    147:2038   
 148:2584    149:2900    150:1166    151:1481    152:2132    153:570    
 154:8012    155:1584    156:2959    157:1894    158:1257    159:2439   
 160:3515    161:1792    162:3639    163:1807    164:1745    165:2199   
 166:1354    167:1898    168:4427    169:822     170:5539    171:998    
 172:4059    173:3220    174:916     175:1284    176:3671    177:6277   
 178:3902    179:2754    180:2626    181:4127    182:3361    183:2087   
 184:2274    185:21586   186:5661    187:4933    188:4348    189:4532   
 190:9936    191:2112    192:11270   193:9357    194:7792    195:5567   
 196:3435    197:3798    198:6138    199:8319    200:8593    201:6600   
 202:10816   203:10659   204:4674    205:3727    206:4721    207:3612   
 208:4239    209:5198    210:4845    211:2621    212:4597    213:3886   
 214:1057    215:48      216:6684    217:3157    218:1384    219:554    
 220:2111    221:1053    222:850     223:2306   

End of report


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