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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Feb 26 21:40:16 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Wed 26 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:                              974262
    Prefixes after maximum aggregation (per Origin AS):          372918
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476116
    Number of IPv4 prefixes with a valid ROA:                    533572
    Number of IPv4 prefixes with an invalid ROA:                    188
    Number of IPv4 prefixes with no ROA:                         440502
Total ASes present in the Internet Routing Table:                 76667
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65736
Origin ASes announcing only one prefix:                           26905
Transit ASes present in the Internet Routing Table:               10931
Transit-only ASes present in the Internet Routing Table:            544
Paths with bogon ASNs present in the IPv4 Routing Table:            348
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1164
    Number of instances of unregistered ASNs:                      1184
Number of 32-bit ASNs allocated by the RIRs:                      46200
Number of 32-bit ASNs visible in the Routing Table:               37857
Prefixes from 32-bit ASNs in the Routing Table:                  199111
Number of bogon 32-bit ASNs visible in the Routing Table:            69
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            504
Number of addresses announced to Internet:                   3111663872
    Equivalent to 185 /8s, 120 /16s and 57 /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:      319652

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

Prefixes being announced by APNIC Region ASes:                   255024
    Total APNIC prefixes after maximum aggregation:               75968
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247206
    Unique aggregates announced from the APNIC address blocks:   102610
APNIC Region origin ASes present in the Internet Routing Table:   14495
    APNIC Prefixes per ASN:                                       17.05
APNIC Region origin ASes announcing only one prefix:               4436
APNIC Region transit ASes present in the Internet Routing Table:   1951
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10005
Number of APNIC addresses announced to Internet:              752338432
    Equivalent to 44 /8s, 215 /16s and 198 /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:                    287227
    Total ARIN prefixes after maximum aggregation:               127857
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288897
    Unique aggregates announced from the ARIN address blocks:    136071
ARIN Region origin ASes present in the Internet Routing Table:    19241
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                7038
ARIN Region transit ASes present in the Internet Routing Table:    1990
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:    5165
Number of ARIN addresses announced to Internet:              1348364800
    Equivalent to 80 /8s, 94 /16s and 106 /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:                    272628
    Total RIPE prefixes after maximum aggregation:               132369
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270122
    Unique aggregates announced from the RIPE address blocks:    173066
RIPE Region origin ASes present in the Internet Routing Table:    28844
    RIPE Prefixes per ASN:                                         9.36
RIPE Region origin ASes announcing only one prefix:               12050
RIPE Region transit ASes present in the Internet Routing Table:    3968
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12269
Number of RIPE addresses announced to Internet:               732306944
    Equivalent to 43 /8s, 166 /16s and 30 /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:                  123306
    Total LACNIC prefixes after maximum aggregation:              29174
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120257
    Unique aggregates announced from the LACNIC address blocks:   48937
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2678
LACNIC Region transit ASes present in the Internet Routing Table:  2467
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:  9145
Number of LACNIC addresses announced to Internet:             173772288
    Equivalent to 10 /8s, 91 /16s and 142 /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:                  34913
    Total AfriNIC prefixes after maximum aggregation:              6818
    AfriNIC Deaggregation factor:                                  5.12
Prefixes being announced from the AfriNIC address blocks:         47275
    Unique aggregates announced from the AfriNIC address blocks:  15014
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     24.66
AfriNIC Region origin ASes announcing only one prefix:              703
AfriNIC Region transit ASes present in the Internet Routing Table:  379
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: 1273
Number of AfriNIC addresses announced to Internet:            104619264
    Equivalent to 6 /8s, 60 /16s and 93 /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       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4325        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        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        2838        851     530  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       12758      39185    3777  AMAZON-02, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3592       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3296       8763     927  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3071       1315    2218  AKAMAI-AS, US
396982        2934       3660     452  GOOGLE-CLOUD-PLATFORM, US
 30036        2593        362     317  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        7757       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4021       3395     130  AKAMAI-ASN1, NL
  9009        3750        322    1923  M247, RO
 12389        2984       2303     894  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        1999        145    1477  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1600       1852      14  TE-AS TE-AS, EG
 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       11776       3235     591  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2518        541     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1165        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1157        371      22  Telefonica del Peru S.A.A., PE
  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        1624        555      28  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1567         99     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 36935         898        523      46  Vodafone-, EG
 37069         847       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         522         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       12758      39185    3777  AMAZON-02, US
  8151       11776       3235     591  UNINET, MX
  9808       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7757       1714     145  UNI2-AS, ES
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4325        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        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       11776        11185  UNINET, MX
  9808       10327        10239  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7757         7612  UNI2-AS, ES
  7545        6219         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4325         4300  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921         3895  VIETEL-AS-AP Viettel Group, VN

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
23.135.76.0/24       Origin:      2914  NTT-DATA-2914, US
23.135.76.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res
23.135.84.0/24       Origin:      2914  NTT-DATA-2914, US
23.135.84.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res
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/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      /12:307     
/13:586     /14:1226    /15:2163    /16:13925   /17:8260    /18:13700   
/19:24564   /20:43838   /21:51854   /22:112001  /23:100949  /24:600722  
/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        6714        7757  UNI2-AS, ES
  8151        5977       11776  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2709        3592  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2273       12758  AMAZON-02, US
 30036        2252        2593  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3545  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      2:1513      3:572       4:10        5:4561      6:167    
   7:6         8:1551      9:1        11:172      12:1380     13:349    
  14:2514     15:349      16:274      17:356      18:915      20:450    
  21:4        22:188      23:7377     24:2720     25:2        27:2742   
  29:19       31:3160     32:35       34:78       35:201      36:2409   
  37:4612     38:8682     39:896      40:153      41:4179     42:1964   
  43:2526     44:354      45:18302    46:5015     47:291      49:1972   
  50:1890     51:589      52:1569     54:300      55:1068     56:9      
  57:243      58:2218     59:1196     60:1167     61:2784     62:2923   
  63:1829     64:5518     65:2121     66:4634     67:3045     68:1155   
  69:3969     70:1157     71:617      72:2841     74:2779     75:1647   
  76:611      77:2671     78:1871     79:1729     80:2207     81:2022   
  82:2703     83:1389     84:1802     85:3362     86:1028     87:2165   
  88:1317     89:4304     90:779      91:8326     92:2810     93:2878   
  94:3906     95:4262     96:1358     97:318      98:997      99:741    
 100:70      101:1140    102:3709    103:32251   104:4796    105:752    
 106:997     107:2618    108:1210    109:4093    110:2225    111:3305   
 112:2044    113:1790    114:1937    115:2166    116:2041    117:2762   
 118:2883    119:1957    120:1877    121:1360    122:2759    123:2177   
 124:1565    125:2871    126:90      128:1583    129:958     130:1278   
 131:1850    132:795     133:450     134:1498    135:329     136:1329   
 137:1241    138:2895    139:1631    140:1556    141:1472    142:1829   
 143:1615    144:1050    145:469     146:2137    147:2071    148:2589   
 149:2877    150:1230    151:1697    152:2106    153:571     154:7407   
 155:1608    156:3112    157:1904    158:1263    159:2429    160:3547   
 161:1927    162:3695    163:1852    164:1694    165:2179    166:1365   
 167:1879    168:4052    169:797     170:5069    171:1005    172:4362   
 173:3240    174:920     175:1273    176:3619    177:4766    178:3759   
 179:2246    180:2580    181:3991    182:3375    183:2064    184:2312   
 185:21499   186:5064    187:4306    188:4197    189:4204    190:9595   
 191:1552    192:11180   193:9390    194:7749    195:5519    196:3276   
 197:3653    198:6100    199:8337    200:8143    201:6298    202:10388  
 203:10605   204:4538    205:3635    206:4620    207:3500    208:4205   
 209:5172    210:4563    211:2523    212:4508    213:3747    214:1054   
 215:42      216:6561    217:3117    218:1336    219:372     220:2102   
 221:1054    222:717     223:2318   

End of report


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