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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jan 17 22:46:52 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Fri 17 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:                             1028745
    Prefixes after maximum aggregation (per Origin AS):          375063
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      472018
Total ASes present in the Internet Routing Table:                 76663
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65981
Origin ASes announcing only one prefix:                           26228
Transit ASes present in the Internet Routing Table:               10682
Transit-only ASes present in the Internet Routing Table:            522
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:              1139
    Number of instances of unregistered ASNs:                      1146
Number of 32-bit ASNs allocated by the RIRs:                      46084
Number of 32-bit ASNs visible in the Routing Table:               37715
Prefixes from 32-bit ASNs in the Routing Table:                  208817
Number of bogon 32-bit ASNs visible in the Routing Table:            81
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            543
Number of addresses announced to Internet:                   3124946811
    Equivalent to 186 /8s, 66 /16s and 231 /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:      346133

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

Prefixes being announced by APNIC Region ASes:                   266093
    Total APNIC prefixes after maximum aggregation:               76778
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257806
    Unique aggregates announced from the APNIC address blocks:   102319
APNIC Region origin ASes present in the Internet Routing Table:   14514
    APNIC Prefixes per ASN:                                       17.76
APNIC Region origin ASes announcing only one prefix:               4418
APNIC Region transit ASes present in the Internet Routing Table:   1920
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:   9969
Number of APNIC addresses announced to Internet:              762444608
    Equivalent to 45 /8s, 113 /16s and 251 /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:                    296008
    Total ARIN prefixes after maximum aggregation:               128493
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           297497
    Unique aggregates announced from the ARIN address blocks:    134211
ARIN Region origin ASes present in the Internet Routing Table:    19222
    ARIN Prefixes per ASN:                                        15.48
ARIN Region origin ASes announcing only one prefix:                6985
ARIN Region transit ASes present in the Internet Routing Table:    1921
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:    5114
Number of ARIN addresses announced to Internet:              1346660550
    Equivalent to 80 /8s, 68 /16s and 104 /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:                    288577
    Total RIPE prefixes after maximum aggregation:               133050
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           285375
    Unique aggregates announced from the RIPE address blocks:    170954
RIPE Region origin ASes present in the Internet Routing Table:    28885
    RIPE Prefixes per ASN:                                         9.88
RIPE Region origin ASes announcing only one prefix:               12022
RIPE Region transit ASes present in the Internet Routing Table:    3843
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:   12229
Number of RIPE addresses announced to Internet:               733290277
    Equivalent to 43 /8s, 181 /16s and 31 /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:                  138721
    Total LACNIC prefixes after maximum aggregation:              29273
    LACNIC Deaggregation factor:                                   4.74
Prefixes being announced from the LACNIC address blocks:         136195
    Unique aggregates announced from the LACNIC address blocks:   49002
LACNIC Region origin ASes present in the Internet Routing Table:  11201
    LACNIC Prefixes per ASN:                                      12.16
LACNIC Region origin ASes announcing only one prefix:              2162
LACNIC Region transit ASes present in the Internet Routing Table:  2478
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:             177612416
    Equivalent to 10 /8s, 150 /16s and 38 /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:                  38207
    Total AfriNIC prefixes after maximum aggregation:              6759
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         51327
    Unique aggregates announced from the AfriNIC address blocks:  15086
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     26.77
AfriNIC Region origin ASes announcing only one prefix:              641
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: 1274
Number of AfriNIC addresses announced to Internet:            104674816
    Equivalent to 6 /8s, 61 /16s and 54 /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       10374       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6199        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4296        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4111        526     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3910       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3897       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2822        846     546  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12574      38853    3693  AMAZON-02, US
   174        6120       8764     893  COGENT-174, US
 11492        4696        312     551  CABLEONE, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
  6327        3614       1320      81  SHAW, CA
 22773        3412       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  2152        3155        508     130  CENIC-2152, US
 16625        3019       1305    2195  AKAMAI-AS, US
396982        2900       3657     443  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9649       1282    1365  TTNET, TR
 12479        7648       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4053       3396     141  AKAMAI-ASN1, NL
  9009        3745        322    1905  M247, RO
 12389        2981       2301     888  ROSTELECOM-AS, RU
 34984        2417        364     572  TELLCOM-AS, TR
  8452        1950       1852      14  TE-AS TE-AS, EG
212238        1895        135    1400  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       11900       3246     706  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2538        538     368  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1578       2438     262  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        1127         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1112        371      22  Telefonica del Peru S.A.A., PE
 22884        1075         98     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1672        601      30  RAYA-AS, EG
 24863        1648        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1542         97     105  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1001        521      42  Vodafone-, EG
 37069         832       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       12574      38853    3693  AMAZON-02, US
  8151       11900       3246     706  UNINET, MX
  9808       10374       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9649       1282    1365  TTNET, TR
 12479        7648       1709     143  UNI2-AS, ES
  7545        6199        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6120       8764     893  COGENT-174, US
  4538        5034       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4696        312     551  CABLEONE, US

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11900        11194  UNINET, MX
  9808       10374        10250  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9649         8284  TTNET, TR
 12479        7648         7505  UNI2-AS, ES
  7545        6199         5534  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6120         5227  COGENT-174, US
  4538        5034         4957  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4296         4273  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4145  CABLEONE, US

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:     18106  VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:93      /12:312     
/13:592     /14:1241    /15:2214    /16:14167   /17:8559    /18:14728   
/19:25610   /20:46258   /21:55132   /22:116384  /23:110184  /24:627030  
/25:652     /26:643     /27:1186    /28:220     /29:375     /30:248     
/31:1257    /32:1585    

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

   ASN  No of nets  Total ann.  Description
 47331        8735        9649  TTNET, TR
 12479        6612        7648  UNI2-AS, ES
  8151        6055       11900  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3124        4176  VIASAT-SP-BACKBONE, US
 22773        2545        3412  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2258       12574  AMAZON-02, US
 30036        2239        2578  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2319      2:1678      3:547       4:25        5:4817      6:165    
   7:6         8:1646      9:1        10:1        11:172      12:1391   
  13:355      14:2532     15:335      16:270      17:362      18:899    
  20:459      21:4        22:188      23:7296     24:2780     25:2      
  27:2751     29:19       31:3157     32:56       34:74       35:189    
  36:2429     37:4664     38:10447    39:896      40:154      41:4718   
  42:1974     43:2577     44:348      45:19773    46:5030     47:296    
  49:2022     50:1875     51:587      52:1603     54:306      55:1029   
  56:8        57:245      58:2305     59:1256     60:1160     61:2989   
  62:3029     63:1862     64:5466     65:2229     66:4726     67:3080   
  68:1187     69:4035     70:1126     71:616      72:2939     74:2808   
  75:1641     76:637      77:2726     78:4226     79:1740     80:2257   
  81:2222     82:1926     83:1457     84:1817     85:4210     86:994    
  87:2464     88:3423     89:4478     90:753      91:8456     92:2768   
  93:2893     94:3918     95:5391     96:1271     97:318      98:985    
  99:737     100:72      101:1393    102:4075    103:32635   104:4627   
 105:2164    106:1025    107:2624    108:1200    109:4115    110:2270   
 111:3379    112:2069    113:1818    114:1953    115:2274    116:2064   
 117:2705    118:2884    119:2019    120:1904    121:1436    122:2870   
 123:2188    124:1690    125:2891    126:62      128:1694    129:1022   
 130:1291    131:2031    132:930     133:450     134:1516    135:368    
 136:1348    137:1164    138:3249    139:1581    140:1525    141:1496   
 142:1852    143:1725    144:1038    145:476     146:2158    147:2057   
 148:2601    149:2914    150:1205    151:1639    152:2114    153:569    
 154:8113    155:1554    156:3406    157:1903    158:1258    159:2441   
 160:3613    161:1841    162:3671    163:1802    164:1740    165:2204   
 166:1337    167:1896    168:4428    169:816     170:5521    171:1005   
 172:4065    173:3213    174:919     175:1288    176:3712    177:6375   
 178:3927    179:2667    180:2625    181:4135    182:3365    183:2068   
 184:2278    185:21670   186:5714    187:5038    188:4380    189:4494   
 190:9922    191:2084    192:11291   193:9414    194:7818    195:5576   
 196:3446    197:3799    198:6182    199:8340    200:8787    201:6590   
 202:10861   203:10771   204:4607    205:3609    206:4720    207:3640   
 208:4240    209:5213    210:4892    211:2627    212:4618    213:3868   
 214:1051    215:42      216:6687    217:3161    218:1394    219:551    
 220:2103    221:1054    222:853     223:2320   

End of report


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