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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 28 21:40:05 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Fri 28 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/USP/

Analysis Summary
----------------

BGP routing table entries examined:                              974645
    Prefixes after maximum aggregation (per Origin AS):          372924
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475265
    Number of IPv4 prefixes with a valid ROA:                    534102
    Number of IPv4 prefixes with an invalid ROA:                    189
    Number of IPv4 prefixes with no ROA:                         440354
Total ASes present in the Internet Routing Table:                 76660
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65717
Origin ASes announcing only one prefix:                           26898
Transit ASes present in the Internet Routing Table:               10943
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:            348
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1118
    Number of instances of unregistered ASNs:                      1137
Number of 32-bit ASNs allocated by the RIRs:                      46213
Number of 32-bit ASNs visible in the Routing Table:               37877
Prefixes from 32-bit ASNs in the Routing Table:                  199079
Number of bogon 32-bit ASNs visible in the Routing Table:            68
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            464
Number of addresses announced to Internet:                   3108477952
    Equivalent to 185 /8s, 71 /16s and 156 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319572

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

Prefixes being announced by APNIC Region ASes:                   254988
    Total APNIC prefixes after maximum aggregation:               75990
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247152
    Unique aggregates announced from the APNIC address blocks:   102595
APNIC Region origin ASes present in the Internet Routing Table:   14503
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4427
APNIC Region transit ASes present in the Internet Routing Table:   1946
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10014
Number of APNIC addresses announced to Internet:              748815872
    Equivalent to 44 /8s, 162 /16s and 6 /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, 131072-155961
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:                    287514
    Total ARIN prefixes after maximum aggregation:               127809
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288955
    Unique aggregates announced from the ARIN address blocks:    136028
ARIN Region origin ASes present in the Internet Routing Table:    19234
    ARIN Prefixes per ASN:                                        15.02
ARIN Region origin ASes announcing only one prefix:                7039
ARIN Region transit ASes present in the Internet Routing Table:    1998
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5170
Number of ARIN addresses announced to Internet:              1348320768
    Equivalent to 80 /8s, 93 /16s and 190 /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:                    272675
    Total RIPE prefixes after maximum aggregation:               132415
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270178
    Unique aggregates announced from the RIPE address blocks:    172270
RIPE Region origin ASes present in the Internet Routing Table:    28845
    RIPE Prefixes per ASN:                                         9.37
RIPE Region origin ASes announcing only one prefix:               12061
RIPE Region transit ASes present in the Internet Routing Table:    3973
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12279
Number of RIPE addresses announced to Internet:               732717312
    Equivalent to 43 /8s, 172 /16s and 97 /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:                  123391
    Total LACNIC prefixes after maximum aggregation:              29198
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120314
    Unique aggregates announced from the LACNIC address blocks:   48895
LACNIC Region origin ASes present in the Internet Routing Table:  11204
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2674
LACNIC Region transit ASes present in the Internet Routing Table:  2472
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9144
Number of LACNIC addresses announced to Internet:             173777408
    Equivalent to 10 /8s, 91 /16s and 162 /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:                  34959
    Total AfriNIC prefixes after maximum aggregation:              6797
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         47581
    Unique aggregates announced from the AfriNIC address blocks:  15070
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     24.91
AfriNIC Region origin ASes announcing only one prefix:              697
AfriNIC Region transit ASes present in the Internet Routing Table:  376
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270
Number of AfriNIC addresses announced to Internet:            104601600
    Equivalent to 6 /8s, 60 /16s and 24 /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       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6216        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4333        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4214        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2842        855     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        434     192  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12821      39187    3782  AMAZON-02, US
 11492        4704        312     566  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3592       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3304       8762     927  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3086       1315    2229  AKAMAI-AS, US
396982        2934       3660     452  GOOGLE-CLOUD-PLATFORM, US
 30036        2591        362     322  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7759       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4027       3395     130  AKAMAI-ASN1, NL
  9009        3759        322    1927  M247, RO
 12389        2983       2303     894  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2008        145    1483  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1490         98     749  CLOUVIDER Clouvider - Global ASN, GB

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11784       3235     591  UNINET, MX
 10620        3547        492     953  Telmex Colombia S.A., CO
 13999        2513        539     370  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1350       2436     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1326        777     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1172        371      22  Telefonica del Peru S.A.A., PE
 11664        1165        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1570         99     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1013        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
  6713         559       1861      35  IAM-AS, MA
 36914         553         82       3  KENET-AS, KE

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12821      39187    3782  AMAZON-02, US
  8151       11784       3235     591  UNINET, MX
  9808       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7759       1714     145  UNI2-AS, ES
  7545        6216        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4704        312     566  CABLEONE, US
 18403        4333        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4214        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11784        11193  UNINET, MX
  9808       10325        10237  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7759         7614  UNI2-AS, ES
  7545        6216         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4333         4308  FPT-AS-AP FPT Telecom Company, VN
 11492        4704         4138  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4214         3941  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4027         3897  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     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
     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
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/USP/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
23.140.16.0/24       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
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US

Complete listing at https://bgp.nsrc.org/REN/USP/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      /11:92      /12:304     
/13:586     /14:1225    /15:2167    /16:13953   /17:8276    /18:13719   
/19:24571   /20:43869   /21:51896   /22:112204  /23:101007  /24:600701  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6713        7759  UNI2-AS, ES
  8151        5986       11784  UNINET, MX
 11492        3555        4704  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2709        3592  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2281       12821  AMAZON-02, US
 30036        2249        2591  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3547  Telmex Colombia S.A., CO

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

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

   1:2296      2:1531      3:576       4:10        5:4563      6:167    
   7:6         8:1552      9:1        11:172      12:1379     13:351    
  14:2508     15:350      16:277      17:358      18:919      20:454    
  21:4        22:188      23:7354     24:2726     25:2        27:2742   
  29:19       31:3173     32:35       34:78       35:201      36:2406   
  37:4612     38:8694     39:897      40:153      41:4167     42:1973   
  43:2533     44:349      45:18325    46:5013     47:290      49:1974   
  50:1890     51:589      52:1570     54:302      55:917      56:9      
  57:243      58:2213     59:1197     60:1167     61:2781     62:2886   
  63:1830     64:5507     65:2121     66:4632     67:3047     68:1154   
  69:3963     70:1156     71:616      72:2883     74:2782     75:1650   
  76:611      77:2663     78:1874     79:1730     80:2204     81:2017   
  82:2717     83:1387     84:1807     85:3362     86:1030     87:2164   
  88:1315     89:4305     90:777      91:8312     92:2804     93:2888   
  94:3911     95:4264     96:1344     97:318      98:997      99:740    
 100:71      101:1138    102:3652    103:32261   104:4807    105:759    
 106:997     107:2617    108:1210    109:4098    110:2224    111:3303   
 112:2038    113:1785    114:1938    115:2161    116:2039    117:2766   
 118:2881    119:1956    120:1878    121:1360    122:2760    123:2180   
 124:1565    125:2867    126:90      128:1582    129:959     130:1278   
 131:1854    132:793     133:450     134:1531    135:327     136:1309   
 137:1247    138:2905    139:1625    140:1554    141:1471    142:1821   
 143:1623    144:1051    145:469     146:2140    147:2070    148:2583   
 149:2863    150:1234    151:1708    152:2110    153:571     154:7496   
 155:1601    156:3216    157:1900    158:1261    159:2440    160:3539   
 161:1930    162:3697    163:1854    164:1695    165:2181    166:1366   
 167:1878    168:4057    169:798     170:5075    171:1005    172:4373   
 173:3231    174:922     175:1270    176:3624    177:4673    178:3764   
 179:2222    180:2577    181:4007    182:3374    183:2063    184:2315   
 185:21482   186:5096    187:4307    188:4194    189:4193    190:9642   
 191:1529    192:11181   193:9401    194:7741    195:5527    196:3292   
 197:3626    198:6107    199:8368    200:8155    201:6286    202:10368  
 203:10602   204:4540    205:3622    206:4624    207:3501    208:4199   
 209:5160    210:4563    211:2524    212:4505    213:3752    214:1057   
 215:42      216:6552    217:3117    218:1336    219:370     220:2090   
 221:1054    222:718     223:2321   

End of report


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