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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 18 22:41:24 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 18 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:                             1024696
    Prefixes after maximum aggregation (per Origin AS):          373425
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      467376
Total ASes present in the Internet Routing Table:                 76690
    Prefixes per ASN:                                             13.36
Origin-only ASes present in the Internet Routing Table:           65558
Origin ASes announcing only one prefix:                           26200
Transit ASes present in the Internet Routing Table:               11132
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
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:                      45972
Number of 32-bit ASNs visible in the Routing Table:               37673
Prefixes from 32-bit ASNs in the Routing Table:                  207008
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:            526
Number of addresses announced to Internet:                   3124700537
    Equivalent to 186 /8s, 63 /16s and 37 /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:      345248

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

Prefixes being announced by APNIC Region ASes:                   264413
    Total APNIC prefixes after maximum aggregation:               76255
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          256718
    Unique aggregates announced from the APNIC address blocks:   102074
APNIC Region origin ASes present in the Internet Routing Table:   14513
    APNIC Prefixes per ASN:                                       17.69
APNIC Region origin ASes announcing only one prefix:               4405
APNIC Region transit ASes present in the Internet Routing Table:   1954
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9955
Number of APNIC addresses announced to Internet:              761746240
    Equivalent to 45 /8s, 103 /16s and 83 /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:                    296026
    Total ARIN prefixes after maximum aggregation:               127824
    ARIN Deaggregation factor:                                     2.32
Prefixes being announced from the ARIN address blocks:           297475
    Unique aggregates announced from the ARIN address blocks:    131284
ARIN Region origin ASes present in the Internet Routing Table:    19225
    ARIN Prefixes per ASN:                                        15.47
ARIN Region origin ASes announcing only one prefix:                6941
ARIN Region transit ASes present in the Internet Routing Table:    2032
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          39
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5109
Number of ARIN addresses announced to Internet:              1346160582
    Equivalent to 80 /8s, 60 /16s and 199 /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:                    286948
    Total RIPE prefixes after maximum aggregation:               132515
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           283748
    Unique aggregates announced from the RIPE address blocks:    170238
RIPE Region origin ASes present in the Internet Routing Table:    28892
    RIPE Prefixes per ASN:                                         9.82
RIPE Region origin ASes announcing only one prefix:               12068
RIPE Region transit ASes present in the Internet Routing Table:    4026
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12217
Number of RIPE addresses announced to Internet:               734464291
    Equivalent to 43 /8s, 199 /16s and 9 /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:                  138325
    Total LACNIC prefixes after maximum aggregation:              29450
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         135892
    Unique aggregates announced from the LACNIC address blocks:   48828
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2143
LACNIC Region transit ASes present in the Internet Routing Table:  2549
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9116
Number of LACNIC addresses announced to Internet:             177662592
    Equivalent to 10 /8s, 150 /16s and 234 /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:                  37861
    Total AfriNIC prefixes after maximum aggregation:              6689
    AfriNIC Deaggregation factor:                                  5.66
Prefixes being announced from the AfriNIC address blocks:         50335
    Unique aggregates announced from the AfriNIC address blocks:  14523
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     26.20
AfriNIC Region origin ASes announcing only one prefix:              643
AfriNIC Region transit ASes present in the Internet Routing Table:  369
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1276
Number of AfriNIC addresses announced to Internet:            104407040
    Equivalent to 6 /8s, 57 /16s and 32 /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       10164       8923     126  CHINAMOBILE-CN China Mobile Communication
  7545        6187        841     658  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4870       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4517        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4034        523     282  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916       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        2237       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       12516      38198    3005  AMAZON-02, US
   174        6121       8764     884  COGENT-174, US
 11492        4691        312     558  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3415       3033     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3218      23507    2050  ATT-INTERNET4, US
  2152        3176        508     132  CENIC-2152, US
 16625        2971       1298    2174  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        9471       1270    1584  TTNET, TR
 12479        7713       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4023       3396     141  AKAMAI-ASN1, NL
  9009        3697        318    1869  M247, RO
 12389        2959       2294     882  ROSTELECOM-AS, RU
 34984        2397        363     569  TELLCOM-AS, TR
  8452        1958       1852      14  TE-AS TE-AS, EG
212238        1843        133    1358  CDNEXT, GB
  5384        1777        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        3542        494     942  Telmex Colombia S.A., CO
 13999        2543        542     372  Mega Cable, S.A. de C.V., MX
 11830        1992        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        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        1647        389      16  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 24835        1628        593      29  RAYA-AS, EG
 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         870        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       12516      38198    3005  AMAZON-02, US
  8151       11791       3246     709  UNINET, MX
  9808       10164       8923     126  CHINAMOBILE-CN China Mobile Communication
 47331        9471       1270    1584  TTNET, TR
 12479        7713       1709     143  UNI2-AS, ES
  7545        6187        841     658  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6121       8764     884  COGENT-174, US
  4538        4870       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4691        312     558  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       10164        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9471         7887  TTNET, TR
 12479        7713         7570  UNI2-AS, ES
  7545        6187         5529  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6121         5237  COGENT-174, US
  4538        4870         4793  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4517         4494  FPT-AS-AP FPT Telecom Company, VN
 11492        4691         4133  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              3356  LEVEL3, 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            46887  CROWNCASTLE-AS46887, 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
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6461  ZAYO-6461, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:     10796  TWC-10796-MIDWEST, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, 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      /11:94      /12:312     
/13:595     /14:1244    /15:2218    /16:14157   /17:8548    /18:14715   
/19:25637   /20:46258   /21:55083   /22:116038  /23:109831  /24:623695  
/25:650     /26:651     /27:1187    /28:225     /29:378     /30:252     
/31:1260    /32:1593    

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

   ASN  No of nets  Total ann.  Description
 47331        8556        9471  TTNET, TR
 12479        6685        7713  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        2550        3415  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2254       12516  AMAZON-02, US
 30036        2221        2560  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      2:1675      3:525       4:24        5:4795      6:165    
   7:6         8:1639      9:2        10:1        11:172      12:1399   
  13:362      14:2508     15:333      16:269      17:362      18:901    
  20:456      21:4        22:188      23:7248     24:2775     25:2      
  27:2731     29:19       31:3122     32:56       34:75       35:182    
  36:2418     37:4625     38:10332    39:881      40:149      41:4732   
  42:2138     43:2549     44:348      45:19474    46:5060     47:300    
  49:2012     50:1878     51:584      52:1606     54:316      55:1032   
  56:8        57:242      58:2293     59:1252     60:1154     61:2913   
  62:2975     63:1857     64:5473     65:2243     66:4736     67:3084   
  68:1308     69:4016     70:1134     71:609      72:2938     74:2818   
  75:1633     76:634      77:2706     78:4227     79:1720     80:2247   
  81:2206     82:1838     83:1435     84:1810     85:4123     86:986    
  87:2442     88:3251     89:4473     90:761      91:8367     92:2762   
  93:2857     94:3915     95:5415     96:1248     97:321      98:1068   
  99:731     100:71      101:1438    102:4010    103:32543   104:4480   
 105:2164    106:1011    107:2622    108:1194    109:4089    110:2244   
 111:3336    112:2065    113:1838    114:1952    115:2258    116:2057   
 117:2690    118:2897    119:1989    120:1890    121:1415    122:2745   
 123:2196    124:1695    125:2865    126:62      128:1675    129:1022   
 130:1312    131:2047    132:921     133:449     134:1517    135:369    
 136:1344    137:1166    138:3251    139:1555    140:1516    141:1463   
 142:1868    143:1715    144:1035    145:413     146:2147    147:2038   
 148:2591    149:2896    150:1165    151:1480    152:2143    153:570    
 154:8012    155:1580    156:2969    157:1894    158:1246    159:2439   
 160:3510    161:1790    162:3638    163:1810    164:1750    165:2200   
 166:1352    167:1896    168:4422    169:822     170:5525    171:997    
 172:4057    173:3212    174:916     175:1283    176:3674    177:6266   
 178:3895    179:2746    180:2625    181:4130    182:3362    183:2092   
 184:2272    185:21588   186:5674    187:4921    188:4344    189:4519   
 190:9969    191:2110    192:11275   193:9351    194:7787    195:5559   
 196:3428    197:3807    198:6141    199:8307    200:8718    201:6594   
 202:10803   203:10641   204:4678    205:3725    206:4722    207:3607   
 208:4246    209:5195    210:4845    211:2621    212:4596    213:3882   
 214:1061    215:48      216:6681    217:3157    218:1383    219:554    
 220:2111    221:1053    222:849     223:2299   

End of report


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